☆ 4.6 Review

On-Line Thermally Induced Evolved Gas Analysis: An Update-Part 1: EGA-MS

MOLECULES (2022)

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Article Energy & Fuels

Assessment of the thermal pyrolysis characteristics and kinetic parameters of spent coffee waste: a TGA-MS study

Sevgi Polat et al.

Summary: The present study investigated the pyrolysis characteristics and kinetics of spent coffee waste (SCW) at different heating rates using a thermogravimetric analyzer (TGA). The study found that different models accurately described the kinetic profiles of thermal decomposition and provided the mean activation energy of the coffee waste. The evolved gases during the decomposition primarily consisted of water, methane, and carbon dioxide.

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS (2023)

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Article Chemistry, Applied

A low sensitivity energetic cocrystal of ammonium pentazolate

Yuangang Xu et al.

Summary: A new energetic cocrystal, NH4N5·1/6NH4Cl, based on cyclo-pentazolate anion was synthesized and its structure, thermal behavior, sensitivity, and detonation properties were studied. The cocrystal exhibited better thermal stability and reduced sensitivity compared to NH4N5, and showed excellent detonation performance.

JOURNAL OF ENERGETIC MATERIALS (2023)

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Article Energy & Fuels

Decomposition and kinetic studies of AdBlue using thermogravimetric and mass spectrometric (TG-MS) analyses

Huidong Li et al.

Summary: Different catalysts were used for the decomposition of AdBlue, with gamma-Al(2)O(3) identified as the best catalyst for promoting urea decomposition. Gaseous products including water, ammonia, CHNO, and CO₂ were detected at different reaction stages using mass spectrometry. The calculated activation energies for three stages were determined to be within specific ranges using the Kissinger-Akahira-Sunoe method.

BIOMASS CONVERSION AND BIOREFINERY (2022)

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Article Chemistry, Applied

H2S catalytic removal at low temperature over Cu- and Mg- activated carbon honeycombs

E. M. Cepollaro et al.

Summary: A series of monometallic and bimetallic Cu/Mg oxide-based structured catalytic sorbents were synthesized and tested for the purification of simulated biogas from H2S. The bimetallic CuMg catalytic sorbents showed fast H2S removal rates, high capacity, and easy regenerability.

CATALYSIS TODAY (2022)

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Article Environmental Sciences

Effect of CO2/H2O on adsorptive removal of H2S/SO2 mixture

Jianyu Xuan et al.

Summary: This paper investigates the effects and mechanisms of H2O and CO2 on the simultaneous removal of H2S and SO2 by TL-1 activated carbon. The results show that the presence of H2O significantly enhances the removal capacity of TL-1 for H2S and SO2 mixture, while CO2 only physically adsorbs on the surface of TL-1.

ENVIRONMENTAL TECHNOLOGY (2022)

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Article Engineering, Environmental

Insights into the cyclic CO2 capture and catalytic methanation over highly performing Li-Ru/Al2O3 dual function materials

Stefano Cimino et al.

Summary: This study experimentally investigated the synergistic and mechanistic aspects between CO2 capture and methanation reactions over lithium-ruthenium/Al2O3 dual function materials, revealing that the favorable synergism at the nanoscale between the Li-aluminate sorbent phase and the catalytic Ru sites can enhance the intrinsic activity of the materials.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

LiN5: A novel pentazolate salt with high nitrogen content

Yuangang Xu et al.

Summary: LiN5, a high energy cyclo-pentazolate salt with potential as an environmentally primary explosive, was synthesized through a simple reaction and exhibits stability under ambient conditions.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Thermodynamics

Cellulose gasification with Ca-Fe oxygen carrier in chemical-looping process

Genyang Tang et al.

Summary: Biomass-derived chemical looping gasification (BCLG) utilizes Ca-Fe oxygen carriers as catalysts to promote efficient lignocellulose conversion and hydrogen-enriched syngas production. Experimental results demonstrate the reaction mechanisms and synergistic effects of Ca-Fe oxygen carriers at different temperatures, providing insights for explaining their performance.

ENERGY (2022)

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Article Thermodynamics

Investigation of steam gasification in thermogravimetric analysis by means of evolved gas analysis and machine learning

Ugur Ozveren et al.

Summary: Understanding the overall picture of steam gasification is crucial for the gasification process. Research shows that using ANN as a machine learning approach can provide a reliable estimation of the thermogravimetric behavior of steam gasification.

ENERGY (2022)

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Article Thermodynamics

Thermal and evolved gas analyses on Michael addition oligomers of acrylic acid

Michiya Fujita et al.

Summary: The Michael addition reaction of acrylic acid causes thermal runaway, leading to explosion and fire accidents. The thermal analysis showed that MAO can polymerize exothermically at temperatures above 180 degrees C and decompose into various compounds at temperatures above 195 degrees C.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2022)

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Article Energy & Fuels

Highly efficient NH3-SCR of NOx over MnFeW/Ti catalyst at low temperature: SO2 tolerance and reaction mechanism

Lijun Liu et al.

Summary: The MnFeW/Ti composite oxide catalyst exhibits excellent SCR activity, N-2 selectivity and SO2 tolerance due to the formation of Mn-O-W and Fe-O-W bonds, which accelerate the SCR reaction rate. By tuning surface acidity via W doping, the oxidation of SO2 is inhibited, leading to improved performance at low temperature.

FUEL (2022)

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Article Energy & Fuels

Effect of dewatering conditioners on pollutants with nitrogen, sulfur, and chlorine releasing characteristics during sewage sludge pyrolysis

Maoqing Wang et al.

Summary: This study investigated the effects of conditioners on the pyrolysis products of sewage sludge and the release characteristics of pollutants using XPS, TG-MS, and Py-GC/MS. The results showed that Fe in conditioners promoted the production of free radicals, facilitating the decomposition of macromolecular substances, while different anion atmospheres caused variable pollutant emission effects.

FUEL (2022)

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Article Energy & Fuels

Experimental study on the influence of O2/CO2 ratios on NO conversion and emission during combustion and gasification of high-temperature coal char

Hongliang Ding et al.

Summary: This study investigated the impact of the O2/CO2 ratio on coal thermal conversion and nitrogen oxide generation, concluding that it is the main factor affecting NO emissions. Through combustion and gasification experiments, it was shown that a higher O2/CO2 ratio led to increased NO emissions.

FUEL (2022)

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Review Chemistry, Analytical

Review of thermal decomposition, kinetics parameters and evolved gases during pyrolysis of energetic materials using different techniques

Saad A. El-Sayed

Summary: The study of thermal decomposition of energetic materials is important, and thermal analysis techniques are effective in studying these materials. Various kinetic models and experimental results are crucial for understanding and comparing the thermal behavior of different materials.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2022)

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Article Polymer Science

Fire-Retardant Synergy of Tris(1-Methoxy-2,2,6,6-Tetramethyl-4-Piperidinyl)Phosphite and Melamine Hydrobromide/Aluminum Diethylphosphinate in Polypropylene

Shuqian Su et al.

Summary: The fire-retardant synergy of NORPM, melamine hydrobromide (MHB), and aluminum diethylphosphinate (ADEP) in polypropylene was characterized by various tests, revealing the exceptional performance of NORPM in increasing LOI and fire-retardant effectiveness. The mechanism of synergistic effect involves quenching active radicals and interrupting chain oxidation reactions, ultimately leading to a more outstanding fire-retardant effect than that of MHB/ADEP.

JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS (2022)

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Article Materials Science, Ceramics

On the pyrolysis of a methyl-silsesquioxane in reactive CO2 atmosphere: A TG/MS and FT-IR study

Renzo Campostrini et al.

Summary: In this study, the pyrolysis of methyl-silsesquioxane in reactive (CO2) and inert (Ar or He) atmosphere was investigated using TG/MS and FT-IR analysis. The results showed that CO2 reacts with the preceramic polymer at approximately 750 degrees C, breaking the SiC bonds and increasing the amount of free carbon phase.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2022)

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Article Chemistry, Analytical

Disclosing the chemistry of oil curing by mass spectrometry using methyl linoleate as a model binder

Lorenzo Vannoni et al.

Summary: In this study, a methodological approach for investigating the molecular features of oil paint layers upon curing was implemented using a simplified model of oil binder. Various mass spectrometric techniques were used to analyse the compounds produced during natural aging, revealing the crucial differences in stability between paint layers containing different pigments, particularly related to the cross-linked fraction.

MICROCHEMICAL JOURNAL (2022)

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Article Chemistry, Applied

Assessing the thermal and fungal behavior of eco-friendly epoxy thermosets derived from vegetable oils for wood protective coatings

Fanica Mustata et al.

Summary: This paper investigates the preparation, characterization and behavior of a green thermoset material based on epoxidized soybean oil, castor oil maleic anhydride adduct, and methyl nadic anhydride. Different stiffness resins suitable for green thermoset coatings can be obtained by varying the ratio of MNA/COMA crosslinking agents. The crosslinking behavior, evolved gases analysis, thermal decomposition mechanisms, and kinetic parameters were determined using differential scanning calorimetry and a simultaneous TG/FT-IR/MS coupling. The thermodynamic and crosslinking kinetic models were established through multivariate linear regression, and the performance against wood decaying strains was evaluated.

PROGRESS IN ORGANIC COATINGS (2022)

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Article Environmental Sciences

Effect of brominated flame retardant on the pyrolysis products of polymers originating in WEEE

Maria Anna Charitopoulou et al.

Summary: Chemical recycling is an environmentally friendly method used for recycling plastics from waste electronic equipment, producing fuels and valuable materials. This study examined the thermal behavior and pyrolysis products of polymer blends with and without the flame retardant TBBPA. TBBPA was found to affect the distribution of pyrolysis products by increasing phenolic compounds and forming brominated compounds.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2022)

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Article Engineering, Environmental

Synergistic effects during co-pyrolysis of milled wood lignin and polyolefins at the gas phase and liquid/solid phase contacting modes

Chuan Ma et al.

Summary: The co-pyrolysis of biomass and waste plastics can enhance the production of fuels and valuable chemicals, with PE and PP blends showing different behaviors in terms of weight loss and decomposition. The GP mode of the co-pyrolysis process resulted in significantly increased yields of gasoline and kerosene by enhancing cracking of PE intermediates, while the LSP mode inhibited rearrangement reactions of PP intermediates, leading to more wax products being converted into liquid.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Thermodynamics

Thermal behavior, morphology and antibacterial properties study of silica/quercetin nanocomposite materials prepared by sol-gel route

Michelina Catauro et al.

Summary: The sol-gel process was used to synthesize organic/inorganic hybrid materials by entrapping different amounts of quercetin in a silica matrix. FTIR spectroscopy was used to reveal the nature of bonds between inorganic and organic components. The hybrid materials showed increased mass loss percentages and antibacterial properties against various bacterial strains.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2022)

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Article Thermodynamics

Effect of amines on (peroxo)titanates: characterization and thermal decomposition

Bara Komarkova et al.

Summary: This study investigates the thermal behavior of nanotitania precursors and the influence of amines and peroxide treatment on TiO2 properties. Results show that peroxide treatment increases initial particle size, while the choice of amine affects the formation temperature of anatase. Additionally, the size of anatase particles has a direct impact on rutile formation temperature.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2022)

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Article Energy & Fuels

Structural and pyrolysis behaviors analysis of coal pretreated with a weak acid

Ping Zhu et al.

Summary: Mineral matters in coal play a significant role in its thermal conversion process, affecting the depolymerization and decomposition reactions. Mild pretreatment with weak organic acid can alter the physicochemical properties of coal, but may inhibit these reactions at low temperatures.

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS (2021)

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Article Thermodynamics

Co-combustion Characteristics of coal-Scenedesmus Microalgae Blends and Their Resulting Ash

Nokuthula E. Magida et al.

Summary: This study investigated the combustion behavior and evolved greenhouse gases of coal, Scenedesmus microalgae, and coal-Scenedesmus microalgae blends using a TG-MS. The results showed a decrease in activation energy and emissions of CO2, NOx, and SO2 in the Coalgae (R) blends compared to coal, indicating a synergistic effect due to different combustion characteristics of coal and microalgae. These findings provide a reference for further research on coal and microalgae co-combustion.

COMBUSTION SCIENCE AND TECHNOLOGY (2021)

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Article Thermodynamics

Mechanistic Study of the Inhibition of Active Radicals in Coal by Catechin

Zhilin Xi et al.

Summary: The study proposes the use of catechin as inhibitors to inhibit active free radicals in the oxidation process of coal at low temperatures. Experimental results show that epicatechin (EC) can effectively combine with active free radicals in coal, leading to a reduction in carbon oxides gaseous products released from coal-catechin samples. Through analysis, it is concluded that catechin can convert active radicals into inert compounds or stable radicals, interrupting the free radical chain reaction.

COMBUSTION SCIENCE AND TECHNOLOGY (2021)

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Article Thermodynamics

Release behaviors of sulfur-containing pollutants during combustion and gasification of coals by TG-MS

Haixia Zhang et al.

Summary: This study investigated the release behaviors of sulfur species in coal combustion and gasification processes, finding that temperature plays a significant role in controlling the release of sulfur compounds.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2021)

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Article Thermodynamics

CO2 adsorption on calcium silicate hydrate gel synthesized by double decomposition method

Moises Martin-Garrido et al.

Summary: Calcium silicate hydrate gel (C-S-H) was synthesized using the double decomposition method for its simplicity and quickness. Analysis using various spectroscopy methods showed changes in the gel structure over time, including polymerization and a decrease in the Ca/Si ratio. The DTA/TG/MS analysis revealed a mass loss due to CO2 adsorption on the gel at temperatures below 400 degrees C.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2021)

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Article Materials Science, Multidisciplinary

Studying smoldering to flaming transition in polyurethane furniture subassemblies: Effects of fabrics, flame retardants, and material type

Alexander B. Morgan et al.

Summary: Materials prone to smoldering can lead to ignition and propagation to foam, while flame retardant materials can prevent this transition. The transition from smoldering to flaming occurs when oxygen consumption exceeds supply, leading to thermal decomposition and high fuel concentrations for flaming combustion.

FIRE AND MATERIALS (2021)

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Article Chemistry, Applied

Synthesis, crystal structure and thermal behavior of magnesium 5,5′-bistetrazole-1,1′-diolate hexahydrate complex

Xiaojun Wang et al.

Summary: The synthesis and properties of a new energetic green burning rate catalyst, magnesium 5,5'-bistetrazole-1,1'-diolate hexahydrate complex 1, show the formation of gaseous products during thermal decomposition. Catalyst 1 is less sensitive to mechanical stimuli and has no impact on the thermal decomposition of RDX, HMX, CL-20, except for TKX-50.

JOURNAL OF ENERGETIC MATERIALS (2021)

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Article Engineering, Multidisciplinary

A new experimental way for the monitoring of the real/equivalent in- service-time of double base rocket propellant by coupling VST and PCA

Salim Chelouche et al.

Summary: This study proposed a new experimental method to estimate the real/equivalent in-service time of rocket propellants, taking into account the impact of natural aging. The approach successfully predicted the in-service time of two similar DBRPs with high accuracy and provided more reliable values for accelerated aging conditions.

DEFENCE TECHNOLOGY (2021)

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Article Thermodynamics

Thermal decomposition and spectral characterization of di[carbonatotetraamminecobalt(III)] sulfate trihydrate and the nature of its thermal decomposition products

Fernanda Paiva Franguelli et al.

Summary: Detailed vibrational and thermal analysis was conducted on di[kappa O-1,kappa O-2-carbonatotetraammine cobalt(III)] sulfate trihydrate, revealing its ability for reversible hydration and catalytic activity in air. Decomposition in inert atmosphere produced metallic cobalt and CoO, while decomposition products in air included Co2O1 and Co3O4.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2021)

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Article Green & Sustainable Science & Technology

Evaluation of a cleaner production for cyanide tailings by chlorination thermal treatments

Haoyu Li et al.

Summary: This study utilized a cleaner chlorination thermal treatment method for gold recovery, identifying the main compounds involved in the chlorination reaction and the mechanism of gold recovery. Experimental results showed high gold recovery rates under specific conditions, while also successfully reducing pollution risks from the roasted waste materials.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Catalytic cracking of scrap tire-generated fuel oil from pyrolysis of waste tires with zeolite ZSM-5

Adnan Abedeen et al.

Summary: The study investigates the pyrolysis of discarded bus/truck tires with zeolite ZSM-5, exploring the impact of temperature and catalyst-to-tire ratio on oil generation and composition. Results show that increasing the catalyst-to-tire ratio can lead to the production of high calorific value pyrolytic oils, suitable for alternative energy sources.

INTERNATIONAL JOURNAL OF SUSTAINABLE ENGINEERING (2021)

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Article Thermodynamics

Experimental and modeling assessment of sulfur release from coal under low and high heating rates

Paulo Debiagi et al.

Summary: This study investigated the release of sulfur from two types of coal, revealing the complexity of sulfur chemistry in coal combustion and developing reliable kinetic models. Different distributions of sulfur species released were observed under low heating rate and high heating rate conditions, providing important insights for the development of models with improved predictability.

PROCEEDINGS OF THE COMBUSTION INSTITUTE (2021)

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Article Nanoscience & Nanotechnology

Effect of Different Nitrogen Configurations on Sodium Storage Properties of Carbon Anodes for Sodium Ion Batteries

Xin Feng et al.

Summary: The study successfully synthesized various nitrogen-doped carbon materials using small molecule polymerization methods and verified their synthesis processes through multiple analysis methods. Among these materials, the NCDCM dominated by pyrrolic N exhibited satisfactory reversible capacity as sodium ion battery anodes, providing a more efficient way to investigate the differences in sodium ion storage behavior of carbon materials with different nitrogen configurations.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Chemical

Deep insight into the reductive roasting treatment on iron removing from quartz

Xin Du et al.

Summary: The study purified natural powder quartz ore through reductive roasting pretreatment and acid leaching, reducing the iron content and revealing a novel activation and removal mechanism for iron impurities.

ADVANCED POWDER TECHNOLOGY (2021)

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Article Geochemistry & Geophysics

Mineralogy of the 2019 Aguas Zarcas (CM2) carbonaceous chondrite meteorite fall

Laurence A. J. Garvie

Summary: The 2019 Aguas Zarcas CM2 meteorite is a significant find for researchers due to its rare composition and presence of complex mineralogy, organic gases, and weathering salts. Further analyses of this meteorite, along with other similar studies, contribute to the understanding of carbonaceous chondrites and provide a foundation for interpreting samples from space missions like NASA's OSIRISREx and JAXA's Hayabusa2.

AMERICAN MINERALOGIST (2021)

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Article Chemistry, Physical

Exploring the influence of nickel precursors on constructing efficient Ni-based CO2 methanation catalysts assisted with in-situ technologies

Xueying Wen et al.

Summary: The use of different nickel salt precursors can alter the activity and stability of catalysts. The special coordinating anions in nickel salt precursors can influence the performance of catalysts. When designing nickel-based catalysts, the significant role of metal salt precursors should be given priority.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Materials Science, Paper & Wood

Effect of starch-based flame retardant on the thermal degradation and combustion properties of reconstituted tobacco sheet

Ning Shao et al.

Summary: This study prepared flame retardant reconstituted tobacco sheets using starch and its derivatives, and found that these starch-based flame retardants could effectively suppress the combustion behavior of RTS through thermal degradation and combustion property analysis.

CELLULOSE (2021)

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Article Engineering, Environmental

In-situ phosphine oxide physical networks: A facile strategy to achieve durable flame retardant and antimicrobial treatments of cellulose

Rashid Nazir et al.

Summary: This research developed a facile methodology to durably modify cellulose fibers by forming in-situ phosphine oxide macromolecular physical networks. The treated fibers exhibited excellent flame retardant and antimicrobial properties, and remained durable after 50 laundry cycles. NMR and SEM analysis confirmed the in-situ formation of phosphine oxide macromolecules within the cellulose fibers.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Evolution of carbon nanostructure during pyrolysis of homogeneous chitosan-cellulose composite fibers

Hilda Zahra et al.

Summary: The study confirms the catalytic role of chitosan in altering the cellulose pyrolysis pathway at moderate temperatures, enhancing dehydration reaction and reducing the formation of specific products, ultimately leading to a higher char yield.

CARBON (2021)

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Article Engineering, Environmental

TF-Al/TiC highly reactive composite particle for application potential in solid propellants

Deqi Wang et al.

Summary: Aluminum powder is commonly used in solid propellants for its specific impulse-improving properties. However, the presence of dense alumina (Al2O3) on the surface of aluminum can inhibit reactivity and heat release. By designing a highly reactive composite particle of thick flake Al/TiC (TF-Al/TiC), it was found that TF-Al/5%TiC exhibited the highest heat release (21419 J/g) and improved reactivity due to the decomposition of Al2O3 by TiC before 633 degrees C, leading to increased contact area between active Al and oxidant.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Applied

An improved parallel reaction model applied to coal pyrolysis

Junfang Ma et al.

Summary: The paper introduces an improved parallel reaction model that enhances the accuracy and rationality of predicting coal pyrolysis by optimizing the parameters of sub-reactions.

FUEL PROCESSING TECHNOLOGY (2021)

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Article Engineering, Chemical

Improving Ti Incorporation into the BEA Framework by Employing Ethoxylated Chlorotitanate as Ti Precursor: Postsynthesis, Characterization, and Incorporation Mechanism

Xiaohang Liang et al.

Summary: This study introduces an improved liquid-solid impregnation method for the preparation of titanium-containing zeolites, which involves incorporating a unique Ti precursor into the defects of dealuminated beta zeolite to enhance Ti incorporation efficiency and uniform dispersion. The results demonstrate that the Ti-beta zeolite synthesized by the improved method exhibits higher titanium content and superior catalytic performance compared to conventional methods.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2021)

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Article Agricultural Engineering

Synthesis and thermal characterization of some hardeners for epoxy resins based on castor oil and cyclic anhydrides

Fanica Mustata et al.

Summary: Castor oil was converted into esters with carboxyl groups by reacting with cyclic anhydrides, potentially serving as crosslinking agents for epoxy resins. The thermal degradation of the products was analyzed using thermogravimetric, Fourier transform infrared and mass spectroscopy techniques, revealing a multi-step kinetics process. The most probable thermal decomposition mechanism was determined through multivariate linear regression analysis, showing a three-step process.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Article Biochemistry & Molecular Biology

Encapsulation of essential oils using cinnamic acid grafted chitosan nanogel: Preparation, characterization and antifungal activity

Stephanne Yonara Barbosa de Carvalho et al.

Summary: This study developed a cinnamic acid grafted chitosan nanogel capable of encapsulating essential oils and exhibiting antifungal activity, which shows potential application in controlling dermatophytosis.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Environmental Sciences

Characterization of hazardous gases evolved from various biomass wastes during biochar production using TGA-MS

Z. Kwoczynski et al.

Summary: The study found that biochar production from biomass waste can lead to the generation of toxic and corrosive gases such as sulfur oxides, ammonia, and chlorine compounds, which can have harmful effects on the environment and human health. Adjustments in industrial pyrolysis processes can be made based on TGA-MS data to minimize the formation of these hazardous gases. Additionally, the presence of sulfur and chlorine in biomass waste can impact the release of these harmful gases during pyrolysis.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2021)

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Article Polymer Science

Selection of thermal, spectroscopic, spectrometric, and chromatographic methods for characterizing historical celluloid

Christina Elsaesser et al.

Summary: This paper discusses the comparison and selection of suitable analytical methods for studying the decay of celluloid, with a focus on thermogravimetric analysis coupled with Fourier transform infrared spectroscopy, evolved gas analysis-mass spectrometry, double shot - gas chromatography/mass spectrometry, and gel permeation chromatography (GPC). The results indicate that GPC is the most suitable method for assessing material changes due to degradation, and the set-ups for measuring molecular weight and quantifying camphor show promise for assessing conservation treatments and investigating the heterogeneous degradation of celluloid objects in future studies.

JOURNAL OF APPLIED POLYMER SCIENCE (2021)

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Article Chemistry, Inorganic & Nuclear

Investigation on the thermal decomposition and thermal reaction process of PTFE/Al/MoO3 fluorine-containing thermite

Jiaxiang Wu et al.

Summary: The study investigated the thermal decomposition and thermal reaction process of PTFE/Al/MoO3 fluorine-containing thermite at different temperatures using DSC/TG-MS tests. The results showed that PTFE acted as both an oxidant and a reductant in the reaction, which could be divided into two stages. The interactions between reactants in the ternary system played a significant role in enhancing the energy release of the sample.

JOURNAL OF FLUORINE CHEMISTRY (2021)

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Review Energy & Fuels

Review on Evolved Gas Analysis Mass Spectrometry with Soft Photoionization for the Chemical Description of Petroleum, Petroleum-Derived Materials, and Alternative Feedstocks

Christopher P. Rueger et al.

Summary: Modern industry heavily relies on molecular analysis of fossil petroleum and petroleum-derived materials. In the context of circular economy and carbon neutrality, chemical description of alternative feedstock materials like waste plastic and biomass pyrolysis oils becomes more important. The use of evolved gas analysis concepts with soft photoionization mass spectrometry proves to be successful in various challenges, providing insights into pyrolytic transformation processes.

ENERGY & FUELS (2021)

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Article Energy & Fuels

Status and relative content of water in shale determined by thermogravimetry-mass spectrometry analysis

Baojian Shen et al.

Summary: Understanding the status and relative content of water in shale is crucial for shale gas and oil reserve estimations. Utilizing XRD and FTIR analysis, as well as TG-MS technology, this study found that the structural water content in shale exceeds 50% of the total water, with free water being the least abundant.

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING (2021)

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Article Electrochemistry

Optimization of the cathode porosity via mechanochemical synthesis with carbon black

Nina V. Kosova et al.

Summary: The particle size and porosity of LFMP/C are found to strongly depend on the chosen precursors and intensity of mechanical impact. Higher intensity leads to more effective incorporation of carbon black in the pores formed in LFMP, improving electronic conductivity and electrolyte access to the electrode surface. Smaller particles provide better Li diffusion in the bulk of LFMP, ultimately enhancing the cyclability and high-rate performance of LFMP/C composites.

JOURNAL OF SOLID STATE ELECTROCHEMISTRY (2021)

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Article Thermodynamics

Guest exchange in anhydrous inclusion compounds of α-cyclodextrin and its amorphization

Askar K. Gatiatulin et al.

Summary: Solid-phase guest exchange was used to activate the inclusion properties of alpha-cyclodextrin without water, resulting in higher encapsulation of organic guests compared to saturated hydrate of alpha CD. The developed guest exchange procedure does not require optimization of components ratio and preparation conditions. The amorphization of alpha-cyclodextrin without complete dissolution shows potential for practical applications requiring higher inclusion capacity.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2021)

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Article Energy & Fuels

Comparison of TG-MS and GC-simulated distillation for determination of the boiling point distribution of various oils

Qian Liu et al.

Summary: A novel method for determining oil boiling point distributions by thermal gravimetric analysis coupled online with a mass spectrometer is reported in this study. Results show less than 10% difference compared to those obtained by gas chromatography simulated distillation. The initial temperature of cracking reaction when oil evaporates in thermal gravimetric analysis, and the relationship between the initial cracking temperature and the stable radical concentration of oil were determined.

FUEL (2021)

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Article Chemistry, Applied

Microwave pyrolysis of herb residue for syngas production with in-situ tar elimination and nitrous oxides controlling

Jian Li et al.

Summary: Microwave pyrolysis integrated with in-situ reforming is a promising method for clean syngas production from herb residue, with microwave showing more enhancement on tar elimination than conventional heating. By adjusting microwave heating, reaction temperature and catalyst types, the performance of tar elimination and nitrous oxides control can be improved efficiently.

FUEL PROCESSING TECHNOLOGY (2021)

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Article Chemistry, Applied

Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti-Solvent Method

Yong Kou et al.

Summary: In this study, a eutectic mixture of MTNP and PETN was prepared and characterized, showing high energy and insensitivity characteristics. The thermal decomposition products mainly include H-2, H2O, N-2, CO, NO, N2O, and CO2, with a small amount of CH4. The eutectic is expected to replace TNT-based molten cast explosives.

PROPELLANTS EXPLOSIVES PYROTECHNICS (2021)

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Article Chemistry, Applied

Kinetics and Mechanism of Thermal and Catalytic Decomposition of Hydroxylammonium Nitrate (HAN) Monopropellant

Ruchika Agnihotri et al.

Summary: The study investigated the decomposition mechanism and kinetics of Hydroxylammonium nitrate (HAN) monopropellant with a cerium oxide-based catalyst through isoconversional method, confirming the validity of the methodology used and providing experimental data to support HAN as a safer substitute to hydrazine.

PROPELLANTS EXPLOSIVES PYROTECHNICS (2021)

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Article Chemistry, Analytical

In situ synthesis and catalytic decomposition mechanism of CuFe2O4/g-C3N4 nanocomposite on AP and RDX

Chong Wan et al.

Summary: The CuFe2O4/g-C3N4 nanocomposite showed better catalytic decomposition effects on ammonium perchlorate (AP) and 1,3,5-trinitroperhydro-1,3,5-triazine (RDX) compared to bulk g-C3N4 and related GO-based catalysts. The composite can lower the decomposition temperatures, change the decomposition processes, and present a more effective catalytic decomposition on AP and RDX.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Chemistry, Analytical

Co-pyrolysis of wood and plastic: Evaluation of synergistic effects and kinetic data by evolved gas analysis-mass spectrometry (EGA-MS)

Federica Nardella et al.

Summary: The co-pyrolysis of biomass and plastic mixtures was studied to investigate the mutual influence on their pyrolytic behaviors, showing synergistic effects. Component-specific thermograms were used to evaluate the presence of synergistic effects, and the KAS model was applied to determine the apparent activation energies of different components.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Chemistry, Analytical

Nitrogen migration in coal during the chemical looping gasification reduction process using a nickel-based oxygen carrier

Yankun Li et al.

Summary: The study found that the distribution and migration of nitrogen during chemical looping gasification may be influenced by different temperature stages and the addition of an oxygen carrier. Nitrogen primarily exists in both solid and gas phases during low-temperature stages, with the addition of an oxygen carrier at high temperatures benefiting the decomposition of nitrogen precursors.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Green & Sustainable Science & Technology

Insights into in-situ sulfur retention by co-combustion of dyeing sludge and wood sawdust

Teng Wang et al.

Summary: The study aimed to improve combustion performance and inhibit sulfur emission during dyeing sludge incineration by introducing wood sawdust. Results showed that wood sawdust addition enhanced combustibility and stability of dyeing sludge, significantly reducing sulfur emissions.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Co-pyrolysis of waste polyvinyl chloride and oil-based drilling cuttings: Pyrolysis process and product characteristics analysis

Zebang Xia et al.

Summary: The study investigated the pyrolysis/co-pyrolysis characteristics of oil-based drill cuttings (OBDC) and waste polyvinyl chloride (waste PVC), revealing that co-pyrolysis is a promising method for waste disposal and oil recovery. High temperatures were found to enhance the quality of oil recovery, while the co-pyrolysis method showed good results in practical applications.

JOURNAL OF CLEANER PRODUCTION (2021)

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Review Chemistry, Multidisciplinary

Analytical Pyrolysis and Mass Spectrometry to Characterise Lignin in Archaeological Wood

Jeannette Jacqueline Lucejko et al.

Summary: Analytical pyrolysis-based techniques are valuable in the study of lignin in archaeological wooden objects, providing data on its composition and chemical alterations, guiding the choice of preventive conservation practices and optimization of consolidation methods. Lignin is generally more stable than cellulose and hemicelluloses in archaeological artifacts but still undergoes significant chemical changes in burial environments.

APPLIED SCIENCES-BASEL (2021)

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Article Medicine, General & Internal

Application of Innovative TGA/Chemometric Approach for Forensic Purposes: The Estimation of the Time since Death in Contaminated Specimens

Roberta Risoluti et al.

Summary: This study uses a novel approach based on thermogravimetry and chemometrics to estimate the time since death in vitreous humor and collect a databank of samples from postmortem examinations. Results demonstrate the ability to predict time of death even in contaminated samples with an accuracy not lower than 70%. The correlation coefficient of the measured versus predicted outcomes was found to be 0.9978, indicating the model's feasibility even in situations involving contaminated vitreous humor.

DIAGNOSTICS (2021)

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Article Agricultural Engineering

Gasification of Tibetan herb residue: Thermogravimetric analysis and experimental study

Xutong Wang et al.

Summary: Gasification is an effective method for disposing Tibet herb residue (THR) in a sustainable way, as it can produce product gas to meet local energy demand. Experimental results showed that the optimal conditions for THR gasification in Tibet were at 1000 degrees Celsius with an air equivalence ratio (ER) of 0.24, resulting in high gas heating value (LHVgas), cold gas efficiency, and carbon conversion efficiency.

BIOMASS & BIOENERGY (2021)

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Article Agricultural Engineering

Elucidating the pyrolysis reaction mechanism of Calotropis procera and analysis of pyrolysis products to evaluate its potential for bioenergy and chemicals

Muhammad Sajjad Ahmad et al.

Summary: The study focused on evaluating the bioenergy potential of waste biomass of desert plant Calotropis procera. Pyrolysis reactions mainly occurred between 200 and 450 degrees Celsius with thermodynamically favorable conditions observed. Evolved gases were dominated by specific organic compounds.

BIORESOURCE TECHNOLOGY (2021)

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Article Construction & Building Technology

Nanolime, ethyl silicate and sodium silicate: Advantages and inconveniences in consolidating ancient bricks (XII-XIII century)

David Navarro-Moreno et al.

Summary: This study investigated the strengths and drawbacks of nanolime, ethyl silicate, and sodium silicate coatings in consolidating heritage bricks. Ethyl silicate induced the lowest color change in bricks, while sodium silicate coatings were prone to cracks and efflorescence formation after curing.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Physical, chemical and mineralogical characterization of Dutch fine recycled concrete aggregates: A comparative study

Marija Nedeljkovic et al.

Summary: The study conducted in-depth characterization of different Dutch fRCA to examine their suitability as an alternative material for river sand and define quality indicators, showing potential correlation between fRCA and properties of new concrete.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Improved thermal stability and heat-aging resistance of silicone rubber via incorporation of UiO-66-NH2

Siyi Xu et al.

Summary: The study proposed a novel strategy of blending MOFs material UiO-66-NH2 into silicone rubber to enhance thermal stability. Experimental results showed that even very low dosage of UiO-66-NH2 addition could effectively increase the thermal-oxidative stability of silicone rubber.

MATERIALS CHEMISTRY AND PHYSICS (2021)

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Article Thermodynamics

Pyrolysis oil composition and catalytic activity estimated by cumulative mass analysis using Py-GC/MS EGA-MS

Ryan D. Merckel et al.

Summary: The study presents an advancement in Py-GC/MS with EGA-MS, allowing prediction of elemental composition and calorific content of pyrolysis products. It reduces the need for other analytical methods and demonstrates the impact of various catalysts on pyrolysis oil. Different dominant mechanisms, changes in elemental composition, and effects on calorific value were observed.

ENERGY (2021)

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Article Chemistry, Applied

Thermal behavior of food preservative sorbic acid and its derivates

J. H. F. de Jesus et al.

Summary: Thermal analysis of sorbic acid and its salts revealed different thermal behaviors during heating and cooling processes, such as melting, decomposition, and phase transition.

FOOD CHEMISTRY (2021)

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Article Green & Sustainable Science & Technology

Applicability of water glass for the transfer of the glass-foaming process from controlled to air atmosphere

Uros Hribar et al.

Summary: This study aims to transfer the foaming process of carbon-containing mixtures from an inert to an air atmosphere by adding water glass, which effectively protects the carbon from premature oxidation. The obtained foamed glass samples show relatively low density and open porosity, resulting in low thermal conductivity.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Chemistry, Physical

A novel activation-hydrochar via hydrothermal carbonization and KOH activation of sewage sludge and coconut shell for biomass wastes: Preparation, characterization and adsorption properties

Wenwen Tu et al.

Summary: A novel activation-hydrochar with rich-pore structure was successfully prepared using a two-stage method, showing promising adsorption performance on Methylene Blue and Congo Red. The research highlighted the potential of utilizing waste materials for effective adsorption applications.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Physical

Binuclear Co(II) complexes with macrocycle and carboxylato ligands: structure, cytotoxicity and thermal behavior

Mirjana Antonijevic Nikolic et al.

Summary: The formation constants, thermal stability and cytotoxic effects of four mixed-ligand Co(II) complexes were investigated, with the first crystal structure determination of one complex being reported. The complexes exhibited distorted octahedral geometries around the Co(II) ions, with coordination environments involving nitrogen and oxygen donor atoms. Cytotoxic evaluations showed IC50 values ranging from 12.7 to 42.3 μM on various cancer cell lines.

JOURNAL OF MOLECULAR STRUCTURE (2021)

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Article Chemistry, Applied

Polymer templated production of highly porous cerium oxide in direct temperature driven transformation of cerium(III) salt

Andrzej Sienkiewicz et al.

Summary: The highly porous cerium oxide in the form of microspheres and micrometric particles was produced by low temperature calcination of cerium nitrate-saturated Amberlite XAD7HP microspheres. The synthesis process relied on the swelling ability and thermal stability of the polymer template. The final cerium oxide was characterized using various techniques and the temperature effect on the polymer microspheres was evaluated in synthetic air.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Green & Sustainable Science & Technology

In situ catalytic fast pyrolysis over CeO2 catalyst: Impact of biomass source, pyrolysis temperature and metal ion

Shanshan Shao et al.

Summary: In this study, catalytic conversion of pyrolysis vapor from biomass over CeO2 catalysts was conducted, with bagasse identified as the most suitable raw material for ketonization at 380 degrees C. Through the introduction of metal ions, the composition of the pyrolysis vapor was altered, facilitating the conversion of large molecular substances to smaller ones.

RENEWABLE ENERGY (2021)

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Review Metallurgy & Metallurgical Engineering

Qualitative, Quantitative and Mechanism Research of Volatiles in the Most Commonly Used CaO-SiO2-CaF2-Na2ο Slag During Casting Process

Shaopeng Gu et al.

Summary: This study investigated the generation mechanism of fluorine volatiles in mold fluxes, revealing the types of SiF4 and NaF under high temperature conditions. It also showed that the reaction between Na2O and CaF2 resulted in the formation of fluorine volatiles, with NaF dominating over SiF4 in the samples containing Na2O.

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS (2021)

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Article Engineering, Environmental

Insight into the role of varied acid-base sites on fast pyrolysis kinetics and mechanism of cellulose

Chengyu Li et al.

Summary: The research demonstrated that adjusting the acid-base value of metal oxides significantly affected the transformation pathway of cellulose pyrolysis, with higher acidity-to-basicity ratios accelerating deoxygenation and lower ratios promoting ketonization and aldol condensation. The acid-base sites played a promotional role in cellulose pyrolysis, while metal oxides with better porous structures contributed to the production of aromatics and aliphatic hydrocarbons.

WASTE MANAGEMENT (2021)

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Article Engineering, Mechanical

Bio-based ionic liquid crystal for stainless steel-sapphire high temperature ultralow friction

M. D. Aviles et al.

Summary: In this study, the biobased protic ionic liquid crystal DPA was used as a neat lubricant to investigate its tribological behavior under linear reciprocating sliding at different temperatures. Results showed a sharp reduction in friction coefficient and wear rate at 110 degrees C, related to water content in DPA, as determined by TG-MS. Wear mechanisms were discussed based on optical and scanning electron microscopy (SEM/EDX) and surface analysis by XPS.

WEAR (2021)

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Article Geochemistry & Geophysics

Study of Thermooxidation of Oil Shale Samples and Basics of Processes for Utilization of Oil Shale Ashes

Tiit Kaljuvee et al.

Summary: The research focused on the thermooxidative decomposition of Estonian oil shale samples from different deposits and the utilization of oil shale ashes formed during combustion. The study found that the differences in thermal behavior of oil shale samples are due to variations in organic matter, chemical and mineralogical composition, and sample morphology. Additionally, grinding and water treatment of oil shale ashes improved SO2 binding efficiency, while post-granulation treatment conditions affected the strength and leachability of granulated oil shale ashes, enhancing their soil neutralizing ability.

MINERALS (2021)

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Review Green & Sustainable Science & Technology

Biomass pyrolysis technologies for value-added products: a state-of-the-art review

Andrew N. Amenaghawon et al.

Summary: Biomass pyrolysis is an efficient thermochemical route for producing pyrolytic gas, bio-oil, and solid biochar with wide applications. The process efficiency is influenced by factors such as temperature, pretreatment methods, and the use of catalysts. Advanced experimental methods like Py-GC-MS/FID and TG-MS/TG-FTIR have been developed for biomass pyrolysis research.

ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY (2021)

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Article Engineering, Chemical

Thermal conversion behavior and nitrogen-containing gas products evolution during co-pyrolysis of cow manure and coal: A thermal gravimetric analyzer/differential scanning calorimetry-mass spectrometer investigation

Meng Ma et al.

Summary: This study investigated the kinetics and thermal behaviors of cow manure and bituminous coal blends, revealing that high heating rates accelerate thermal decomposition rates and affect residual weights due to heat transfer limitations. Gas evolution curves and kinetic parameters were obtained through experiments, showing increased emissions with higher heating rates and good agreement among kinetic modeling methods. Thermodynamic parameters were also discussed under different conversion rates, highlighting the importance of understanding the co-pyrolysis mechanism and designing pyrolysis reactors.

ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING (2021)

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Article Thermodynamics

Investigation on microwave torrefaction: Parametric influence, TG-MS-FTIR analysis, and gasification performance

Beibei Yan et al.

Summary: This study compared the effectiveness of microwave torrefaction (MT) and conventional torrefaction (CT) on herb residue (HR), showing that MT is more efficient in removing bound water and generating gases. Moisture content was identified as the key factor affecting torrefaction and energy consumption, while MT-HR exhibited superior gasification performance.

ENERGY (2021)

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Article Energy & Fuels

Systematic evaluation and kinetic modeling of low heating rate sulfur release in various atmospheres

P. Debiagi et al.

Summary: This study conducted a systematic experimental and numerical investigation on sulfur release from coal in varying atmospheres at low heating rates. Different atmospheres were found to influence sulfur release and the chemical paths leading to the formation of sulfur compounds in gas phase were identified.

FUEL (2021)

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Article Materials Science, Multidisciplinary

Effect of organic resin in glass wool waste and curing temperature on the synthesis and properties of alkali-activated pastes

Patrick N. Lemougna et al.

Summary: The study found that the presence of organic resin in glass wool can affect milling efficiency, rheology, and strength development, but the impact on paste strength is less significant after 28 days. Curing at 40 degrees Celsius for 24 hours can enhance one-day strength development, and all cured samples achieved a compressive strength of over 40 MPa at 28 days, although water immersion may affect their strength.

MATERIALS & DESIGN (2021)

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Article Materials Science, Multidisciplinary

Physicochemical characterization and energy recovery of spent coffee grounds

Victoria Bejenari et al.

Summary: The study demonstrates that firelighters containing coffee grounds have superior combustion performance and can serve as an alternative utilization method. Additionally, these firelighters produce less residue and have a longer burning time.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2021)

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Article Chemistry, Analytical

Thermal decomposition of biomass wastes derived from palm oil production

Bence Babinszki et al.

Summary: The palm oil industry produces biomass by-products with different chemical compositions and thermal decomposition behaviors, which have been studied to show the distribution of thermal decomposition products used to explain compositional differences in the system. Additionally, the presence of potassium element was found to catalyze the decomposition of biomass.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Energy & Fuels

Non-isothermal kinetics evaluation of buriti and inaja seed biomass waste for pyrolysis thermochemical conversion technology

Vanuza O. Santos et al.

Summary: The study evaluated the energy potential of buriti and inaja seeds for pyrolysis through thermogravimetric analysis and determined their kinetic and thermodynamic parameters. The high heating values of buriti and inaja seeds were similar to lignocellulosic biomasses, and the released gas products during pyrolysis can be converted into energy and valuable chemicals. This dataset contributes to investigating these biomasses as candidates for applications in the pyrolysis process.

BIOMASS CONVERSION AND BIOREFINERY (2021)

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Article Energy & Fuels

Kinetic characteristics and reactive behaviors of HSW vitrinite coal pyrolysis: A comprehensive analysis based on TG-MS experiments, kinetics models and ReaxFF MD simulations

Hongcun Bai et al.

Summary: This study comprehensively analyzed the pyrolysis of HSW vitrinite coal using experiments, kinetics models, and molecular simulations. The results showed that the weight loss rate decreased with higher heating rates, and higher heating rates delayed the release of pyrolysis gas. The analysis of kinetic parameters indicated an increase in activation energy with pyrolysis stage and carbon conversion rate.

ENERGY REPORTS (2021)

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Article Chemistry, Multidisciplinary

Gaseous Heptanethiol Removal by a Fe3+-Phenanthroline-Kaolinite Hybrid Material

Fabrizio Bernini et al.

Summary: Kaolinite functionalized with mu-oxo Fe3+-phenanthroline complex was found to efficiently remove and store gaseous heptanethiol. The continuous catalytic activity of Fe3+ towards the oxidation of thiol to disulfide explained the significant removal of the smelly gas and the high thiol/Fe(3+)Phen molar ratio.

ACS OMEGA (2021)

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Article Biochemical Research Methods

Online Monitoring the Key Intermediates and Volatile Compounds Evolved from Green Tea Roasting by Synchrotron Radiation Photoionization Mass Spectrometry

Keke Qi et al.

Summary: Online monitoring of volatile compounds during tea roasting using synchrotron radiation photoionization mass spectrometry revealed various aroma compounds and key intermediates. Dehydration was identified as the initial step during roasting, with oxygen in the air accelerating product formation. Time-resolved analysis proved useful for evaluating different roasting processes and determining optimal temperature and duration.

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY (2021)

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Article Materials Science, Ceramics

Fabrication and properties of Cf/(Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)C-SiC high-entropy ceramic matrix composites via precursor infiltration and pyrolysis

Feiyan Cai et al.

Summary: In this study, high-entropy ceramic matrix composites Cf/(Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)C-SiC showed excellent mechanical and ablation resistant properties. The composites were successfully fabricated with uniform phase and element distribution through precursor infiltration and pyrolysis. The combination of mechanical strength and ablation resistance makes Cf/(Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)C-SiC composites a new generation of ultra-high temperature materials.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Chemistry, Physical

Insights into Gas-Exfoliation and the In-Situ Template Mechanism of Zinc Compound for Lignin-Derived Supercapacitive Porous Carbon

Fangbao Fu et al.

Summary: This study investigates the effects of gentle activators (ZnCO3 and ZnC2O4) and a corrosive agent (ZnCl2) on the production of porous carbons, revealing that the synergistic effect between ZnC2O4 and lignin plays a crucial role in fabricating hierarchical porous carbons with crumpled nanosheets, resulting in higher capacitance.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Energy & Fuels

Evolved Gas Analysis and Kinetics of Catalytic and Non-Catalytic Pyrolysis of Microalgae Chlorella sp. Biomass With Ni/θ-Al2O3 Catalyst via Thermogravimetric Analysis

Wasif Farooq et al.

Summary: The study demonstrates that the prepared Ni/theta-Al2O3 catalyst significantly enhances the pyrolytic conversion of Parachlorella kessleri HY-6 by reducing the mean activation energy, leading to improved conversion efficiency.

FRONTIERS IN ENERGY RESEARCH (2021)

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Article Materials Science, Multidisciplinary

Detailed Thermal, Fire, and Mechanical Study of Silicon-Modified Epoxy Resin Containing Humic Acid and Other Additives

Virginia Venezia et al.

Summary: In this study, humic acid was utilized as a flame retardant additive, showcasing the waste-to-wealth approach. The presence of silicon-modified epoxy chains improved the distribution of biowaste within the resin, achieving a UL 94-V-0 classification for the epoxy resin with 6% HA. Furthermore, the addition of APP and UR significantly reduced peak heat release rate and delayed ignition, contributing to the enhancement of fire performance in the hybrid epoxy system.

ACS APPLIED POLYMER MATERIALS (2021)

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Article Polymer Science

Solid-state polymerization of diaminomaleonitrile: Toward a new generation of conjugated functional materials

Carlos Hortelano et al.

Summary: This study investigates the challenges of solid-state polymerization of organic molecules to form two-dimensional materials, focusing on the example of HCN tetramer diaminomaleonitrile (DAMN). Experimental techniques such as DSC and TG-MS reveal the reaction mechanisms and material structures.

POLYMER (2021)

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Article Polymer Science

Combined UV-irradiation and pyrolysis-GC/MS approach for evaluating the deterioration behavior of ethylene vinyl acetate

Kanako Yamada et al.

Summary: In this study, deteriorated EVA samples under UV irradiation were characterized using various analytical techniques, such as Py-GC/MS and UV/Py-GC/MS, to investigate the degradation behavior. The findings revealed the release of various gases during UV irradiation and identified specific ketone and lactone structures in the deteriorated EVA. The combined usage of UV irradiation and Py-GC/MS was established as a promising method to investigate the UV deterioration behavior in detail.

POLYMER DEGRADATION AND STABILITY (2021)

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Article Chemistry, Applied

Organic Based Additives Impact on Thermal Behavior of Ammonium Perchlorate: Superior 4, 4′-Bipyridine Versus Inferior Biphenyl

Samie Salehi et al.

Summary: The thermal decomposition behavior of heterogeneous mixtures of ammonium perchlorate (AP) with two different organic additives, 4, 4'-Bipyridine and biphenyl, was investigated. It was found that 4, 4'-Bipyridine significantly enhanced the released heat and decreased the decomposition temperature of AP, while biphenyl did not have as dramatic effect on AP decomposition.

PROPELLANTS EXPLOSIVES PYROTECHNICS (2021)

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Article Chemistry, Physical

Degradation of Structure of Populus tremula Wood during Delignification with Ozone. Thermal Analysis

N. A. Mamleeva et al.

Summary: The transformation of aspen wood under the impact of ozone was studied, showing a decrease in lignin and hemicellulose content and an increase in cellulose content. FTIR spectroscopy confirmed the destruction of lignin's aromatic structures and the formation of oxygen-containing products.

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A (2021)

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Article Thermodynamics

Improved TGA-MS measurements for evolved gas analysis (EGA) during pyrolysis process of various biomass feedstocks. Syngas energy balance determination

Milos Radojevic et al.

Summary: This paper provides in-depth knowledge about evolved gas analysis interpretation using a new semi-quantitative approach with TGA-MS coupled measurements, for studying the pyrolysis behavior of biomass waste materials. The proposed method allows for simplified gas identification in volatile complex schemes and reliable calculation of gaseous products yield and syngas energy capacities. The H2/CO ratio derived from the proposed method shows excellent agreement with sawdust syngas production, demonstrating its potential for biomass gasification and hydrogen production in fuel reactors.

THERMOCHIMICA ACTA (2021)

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Article Chemistry, Multidisciplinary

Co-combustion characteristics and kinetics of meager coal and spent cathode carbon block by TG-MS analysis

Jigang Zhang et al.

Summary: A method of mixed combustion of meager coal and SCCB for disposal of SCCB is proposed in this study, and TG-MS is used to characterize the combustion and gas release characteristics. The results show that the combustion is most efficient at a mixing ratio of 5%, indicating potential for environmentally friendly disposal of SCCB.

ARABIAN JOURNAL OF CHEMISTRY (2021)

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Article Chemistry, Physical

Heterostructural Mixed Oxides Prepared via ZnAlLa LDH or ex-ZnAl LDH Precursors-Effect of La Content and Its Incorporation Route

Katarzyna Antoniak-Jurak et al.

Summary: The study investigated the impact of La content and its incorporation route on the physicochemical properties of ZnO/Zn(Al,La)(2)O-4 or La2O3-ZnO/ZnAl2O4 mixed oxides, the nanocomposites prepared by two techniques with similar Zn/Al molar ratio showed moderate activity in the high-temperature water gas shift reaction. Introduction of lanthanum oxide over 2.4-2.8 wt% induced phase separation of the ZnAl2O4 spinel, forming ZnO on the ZnAl2O4 spinel surface.

MATERIALS (2021)

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Article Chemistry, Physical

Selectively Producing Acetic Acid via Boric Acid-Catalyzed Fast Pyrolysis of Woody Biomass

Xueli Hou et al.

Summary: Boric acid has been proven to be an effective catalyst in the pyrolysis of woody biomass, leading to higher initial degradation temperatures and increased residual carbon contents, while decreasing the maximum weight loss rates. It also significantly alters the composition and distribution of volatile pyrolysis products, increasing small molecule compounds like acetic acid and furfural, while decreasing high molecular weight phenol derivatives. These effects are more pronounced at higher temperatures, with acetic acid content increasing up to 14 times higher than untreated wood flour when the boric acid to wood flour mass ratio is 2.

CATALYSTS (2021)

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Review Geochemistry & Geophysics

A Review of Sample Analysis at Mars-Evolved Gas Analysis Laboratory Analog Work Supporting the Presence of Perchlorates and Chlorates in Gale Crater, Mars

Joanna Clark et al.

Summary: The Sample Analysis at Mars instrument on the Curiosity rover has detected evidence of oxychlorine compounds in Gale crater. Different types of oxychlorines release oxygen and HCl at different temperatures, which has important implications for understanding the martian chlorine cycle and potential habitability of past environments.

MINERALS (2021)

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Article Energy & Fuels

Pyrolysis of different wood species: influence of process conditions on biochar properties and gas-phase composition

Matic Grojzdek et al.

Summary: This study found that the appropriate temperature range is crucial for obtaining high-quality biochar during biomass pyrolysis, while lower heating rates and isothermal times can increase biochar yield but decrease fixed carbon content. Oak has higher carbon sequestration potential, and for higher specific surface area values, pyrolysis should be operated in the temperature range of 500-700°C. Using pyrolysis instead of combustion can reduce CO2 emissions by almost half, but virtually twice the biomass amount must be pyrolyzed to achieve the same power output.

BIOMASS CONVERSION AND BIOREFINERY (2021)

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Article Chemistry, Physical

Surface reactions during temperature-programmed desorption and reduction experiments with oxygen-functionalized carbon blacks

Maximilian Goeckeler et al.

Summary: In this study, carbon black was functionalized through gas-phase oxidation using nitric acid vapor at 150 degrees C, and the decomposition mechanisms of oxygen-containing surface groups were analyzed through temperature-programmed desorption (TPD) and temperature-programmed reduction (TPR) experiments. The increase in duration of HNO3 functionalization led to an enrichment of acidic surface groups, with desorbed H2O originating from chemisorbed water bound to carboxylic acid groups and condensation reactions of carboxylic acids and phenols. Additionally, the selective reduction of phenols and carbonyls by H2 during TPR resulted in the appearance of a new CO2 evolution peak at 575 degrees C, indicating the hydrolysis of anhydrides and lactones.

APPLIED SURFACE SCIENCE (2021)

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Article Agricultural Engineering

An integrated study on the pyrolysis mecanism of peanut shell based on the kinetic analysis and solid/gas characterization

Wenmei Tao et al.

Summary: In this study, the pyrolysis reaction of peanut shell was investigated, revealing the mechanism through the analysis of thermodynamic and kinetic parameters along with the reaction products. The results showed that the pyrolysis reactions of peanut shell were endothermic and nonspontaneous, with three sub-stages having distinct reaction mechanisms.

BIORESOURCE TECHNOLOGY (2021)

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Article Engineering, Environmental

Kinetics of solid reactions with gas intermediates in chemical looping combustion

Jimin Zeng et al.

Summary: The study focused on the reactions between solid fuel and gas intermediates in a chemical looping combustion (CLC) reactor, identifying carbon gasification as a control step and determining that the diffusional resistance of 45-75 μm char particles can be ignored.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Thermodynamics

Pyrolysis characteristics and non-isothermal kinetics of waste wood biomass

Jingjing Li et al.

Summary: This study investigated the pyrolysis process of waste wood biomass using various analytical methods, finding that the pyrolysis process can be divided into three phases, with lower activation energies for waste camphor compared to waste bamboo.

ENERGY (2021)

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Article Energy & Fuels

Effects of Milling and UV Pretreatment on the Pyrolytic Behavior and Thermal Stability of Softwood and Hardwood

Marco Mattonai et al.

Summary: This study investigated the effects of ball-milling and UV irradiation on softwood and hardwood, using XRD, EGA-MS, and Py-GC/MS. The results showed that UV irradiation can decrease the recalcitrance of biomass towards pyrolysis, but its efficiency depends on the type of lignocellulosic substrate.

ENERGY & FUELS (2021)

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Article Thermodynamics

Effect of torrefaction pretreatment on biomass chemical looping gasification (BCLG) characteristics: Gaseous products distribution and kinetic analysis

Rongjiang Zhang et al.

Summary: This study investigated the biomass chemical looping gasification (BCLG) of torrefied SPF sawdust with Fe2O3 using thermogravimetry-mass spectrometry (TG-MS). The results showed that torrefaction temperature and OC ratio have an impact on the BCLG process, with torrefaction having a positive effect on the gas distribution and reactivity of biochar.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Environmental Sciences

Influence of wet flue gas desulfurization on the pollutants monitoring in FCC flue gas

Feng Ju et al.

Summary: This study showed that wet flue gas desulfurization leads to a large amount of water vapor in the flue gas, indirectly causing the emissions of salt pollutants. The research also found that a significant amount of ammonium sulfite and ammonium sulfate existed in the condensate water of the flue gas, releasing NH3, SO2, and H2O during decomposition.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Energy & Fuels

Temperature-resolved evolution and speciation of sulfur during pyrolysis of a high-sulfur petroleum coke

Xin Yu et al.

Summary: This study investigates the behavior of sulfur during the pyrolysis of petroleum coke, revealing that sulfur speciation changes with temperature and different desulfurization stages. The evolution of sulfur compounds and gases during pyrolysis is complex, with varying release patterns and sources. Overall, temperature plays a key role in determining the sulfur transformation pathways during petroleum coke pyrolysis.

FUEL (2021)

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Article Engineering, Chemical

Promotion Effect of Chromium on the Activity and SO2 Resistance of CeO2-TiO2 Catalysts for the NH3-SCR Reaction

Wuyuan Liu et al.

Summary: The study showed that Cr-doped CeO2-TiO2 catalysts exhibit good catalytic performance and sulfur resistance in selective catalytic reduction, with high specific surface area, strong surface acidity, enhanced redox properties, and effective electron transfer as important promotion factors for excellent SCR properties; The incorporation of Cr can improve the adsorption capacity of nitrate and the activation capacity of NH3, enhancing catalytic activity; Additionally, the doping of Cr reduces SO2 surface adsorption and promotes the decomposition of NH4HSO4.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2021)

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Article Energy & Fuels

Catalytic pyrolysis of plastics derived from end-of-life-vehicles (ELVs) under the CO2 environment

Sungyup Jung et al.

Summary: With the increasing global demand for vehicles, the importance of waste materials generated from end-of-life vehicles becomes more severe. A sustainable valorization platform for vehicle waste has been suggested, converting them into energy-intensive products through pyrolysis.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Chemistry, Physical

Investigating the release behavior of biomass and coal during the co-pyrolysis process

Shuaidan Li et al.

Summary: The study found that the changes of pyrolysis products during the co-pyrolysis process of biomass and coal are similar to that in the separate pyrolysis process, with main pyrolysis products released at different temperatures. Additionally, most of the raw materials are independently pyrolyzed during the co-pyrolysis process, and the addition of biomass does not significantly affect the content variations of aromatic compounds.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Analytical

Evolved gas analysis-mass spectrometry in an oxidative atmosphere using a temperature-programmable furnace-type pyrolyzer

Ai Shiono et al.

Summary: Evolved gas analysis-mass spectrometry (EGA-MS) was used to characterize the effects of heating materials in oxidative and non-oxidative environments. By modifying the gas inlet system, experiments under oxidative conditions in air could be conducted without loss of sensitivity. The modified method showed improved signal-to-noise ratio and comparable results when analyzing polystyrene and isotactic polypropylene.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Chemistry, Analytical

A study on vitrinite and inertinite interaction in pyrolysis of 3 coals

Xiaojie Cheng et al.

Summary: This study investigates the interaction between vitrinite (V) and inertinite (I) in the pyrolysis process of coal, revealing that V and I show significant interaction in coal with lower carbon content, but not in coal with higher carbon content. The interaction mainly occurs in the temperature range of 400-600 degrees Celsius.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Chemistry, Analytical

Analytical pyrolysis and thermal analysis to chemically characterise bitumen from Italian geological deposits and Neolithic stone tools

Federica Nardella et al.

Summary: The chemical study of bitumen from stone tools from Italian Neolithic sites was carried out using pyrolysis-based techniques, demonstrating its suitability for archaeological bitumen analysis and obtaining information on its origin. Analyzing geological bituminous rocks from Central-Southern Italy as reference materials, the study was able to quantify the organic content of bitumen samples and identify differences between geological and archaeological bitumen. The use of DSPy-GC/MS and PCA successfully assessed the bitumen source in archaeological objects by detecting distinctive biomarkers such as terpanes.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2021)

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Article Green & Sustainable Science & Technology

Biodegradation of plastics from waste electrical and electronic equipment by greater wax moth larvae (Galleria mellonella)

Ping Zhu et al.

Summary: This study investigated the biodegradation feasibility of waste rigid polyurethane, waste polystyrene, and waste acrylonitrile-butadiene-styrene from WEEE by Galleria mellonella larvae. The larvae were able to consume a significant amount of the plastics within 7 days, leading to reduced thermal stabilities and changes in molecular weight. The composition of intestinal microbes also showed adaptability to different types of WEEE plastics.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Environmental Sciences

Thermal behaviors, combustion mechanisms, evolved gasses, and ash analysis of spent potlining for a hazardous waste management

Guang Sun et al.

Summary: The study focused on characterizing the combustion mechanisms and properties of spent potlining (SPL) from the aluminum industry, aiming to enhance circular waste utilization. The findings suggested an optimal temperature and heating rate combination for joint optimization, while also identifying the formation of substantial NaF and CaF2 in the residual ash. The research contributes to turning SPL waste into a benign input for circular waste utilization.

JOURNAL OF ENVIRONMENTAL SCIENCES (2021)

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Article Materials Science, Ceramics

Bifunctional mesoporous hybrid sol-gel prepared silicas for CO2 adsorption

Nina Velikova et al.

Summary: Bifunctionalized mesoporous silica materials were successfully prepared by altering the sequence of addition of silanols, leading to improved texture and CO2 sorption capacity. The type of silsesquioxane precursors and the presence of isocyanurate groups also significantly influenced the material's texture, morphology, and CO2 sorption properties.

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY (2021)

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Article Chemistry, Inorganic & Nuclear

Investigation of kinetic parameters for ammonium perchlorate thermal decomposition in presence of gCN/CuO by TG-MS analysis and kinetic compensation correction

Gladiya Mani et al.

Summary: The study shows that gCN-CuO1 composite material can effectively reduce the decomposition temperature of AP and increase the heat release. Gas evolution during AP decomposition was successfully detected using in-situ TG-MS technique, and quantitative interpretation of kinetic parameters for AP decomposition was carried out using Coats-Redfern method and Kinetic Compensation Correction (KCC).

JOURNAL OF SOLID STATE CHEMISTRY (2021)

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Article Materials Science, Ceramics

Fabrication and properties of Cf/Ta4HfC5-SiC composite via precursor infiltration and pyrolysis

Xuegang Zou et al.

Summary: In this study, a C-f/Ta4HfC5-SiC ultra-high-temperature ceramic matrix composite with strong mechanical properties and ablation resistance was successfully fabricated. The combination of these properties provides a solid foundation for the use of this composite in a new generation of ultra-high-temperature materials.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2021)

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Article Chemistry, Applied

Carbon deposition mechanism and structural changes for zeolite-templated carbons

Ying Liu et al.

Summary: The study investigated the impact of CVD time and temperature on the structure of pyrolytic carbon in ZCP synthesis, confirming that pyrolytic carbon is mainly connected by C-C and C--C bonds, while some graphitic carbon forms on the zeolite surface. The experimental results from TGA and mass spectrometer analysis provided valuable insights for designing and optimizing CVD processes for ZCP synthesis.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Materials Science, Characterization & Testing

Three-way evolved gas analysis-mass spectrometry combined with principal component analysis (EGA-MS-PCA) to probe interfacial states between matrix and filler in poly(styrene-b-butadiene-b-styrene) (SBS) nanocomposites

Ryota Watanabe et al.

Summary: A new technique combining EGA-MS-PCA was developed to analyze the interfacial state between matrix and filler in SBS nanocomposites containing GNPs. The inclusion of GNPs was found to restrict the decomposition of the polystyrene component in the SBS sample, indicating a potential increase in stiffness due to the interaction between SBS and GNPs.

POLYMER TESTING (2021)

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Article Polymer Science

Investigation on the thermal decomposition of the elastomer containing fluoroolefin segment by DSC-TG-MS-FTIR

Weiqiang Tang et al.

Summary: In this study, an elastomer containing a fluoroolefin segment was prepared by reacting bisphenol A epoxy resin and liquid carboxy-terminated poly(tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride) copolymer (CTTHV). The energetic plasticizer BDNPA/F was used to improve the thermal stability of the elastomer. Various methods were employed to evaluate the compatibility of CTTHV and BDNPA/F, and the thermal decomposition mechanisms of the elastomers were discussed. The results showed that the prepared FO/BDNPA/F elastomers had good thermal stability and the BDNPA/F could promote the thermal decomposition of the elastomer, providing more heat for the binder system.

POLYMERS FOR ADVANCED TECHNOLOGIES (2021)

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Article Engineering, Environmental

Study on thermal stability and thermal decomposition mechanism of 1-((cyano-1-methylethyl) azo) formamide

Yue Tian et al.

Summary: This study investigated the thermal decomposition characteristics of CABN using differential scanning calorimetry and thermogravimetry-mass spectrometer, and analyzed the influence of impurities on its thermal stability. The results showed that the addition of impurities increased the thermal decomposition risk of CABN, potentially leading to the generation of various hazardous products.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

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Article Chemistry, Physical

Butyl-Methyl-Pyridinium Tetrafluoroborate Confined in Mesoporous Silica Xerogels: Thermal Behaviour and Matrix-Template Interaction

Ana-Maria Putz et al.

Summary: Organic-inorganic silica composites were prepared using acid-catalyzed sol-gel method, showing that morphology and thermal decomposition characteristics of xerogels can be influenced by adjusting the content of ionic liquids. In nitrogen and synthetic air atmospheres, the decomposition of ionic liquids resulted in different mass loss steps.

MATERIALS (2021)

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Article Chemistry, Physical

Characterization of Metal-Bound Benzimidazole Derivatives, Effects on Tumor Cells of Lung Cancer

Anita Raducka et al.

Summary: Four new ligands and copper (II) coordination compounds were synthesized and characterized using various analytical techniques. The nature of metal-ligand coordination was investigated, and the thermal properties of the complexes in the solid state were studied. The relationship between antitumor activity and the position of nitrogen atoms in the organic ligand was revealed through MTT assays.

MATERIALS (2021)

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Article Chemistry, Physical

Formation of ZrC-SiC Composites from the Molecular Scale through the Synthesis of Multielement Polymers

Fabien Bouzat et al.

Summary: This study investigated the impact of Zr on the fabrication of ZrC-SiC composites by synthesizing specific polymeric structures and proposing a four-step mechanism, analyzing the role of Zr in the thermal path.

MATERIALS (2021)

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Article Polymer Science

Discoloration of Historical Plastic Objects: New Insight into the Degradation of β-Naphthol Pigment Lakes

Anna Micheluz et al.

Summary: Light plays a crucial role in the discoloration of plastics, affecting both the molecular structures of polymers and colorants. This study found that organic pigments in historical plastics faded severely after light exposure, indicating the potential role of plastic binders in pigment photofading.

POLYMERS (2021)

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Article Polymer Science

Dielectric, Thermal and Water Absorption Properties of Some EPDM/Flax Fiber Composites

Anton Airinei et al.

Summary: This study investigates the dielectric and sorption properties of flax fiber-reinforced ethylene-propylene-diene monomer (EPDM) composites with different fiber loadings, as well as their behavior after exposure to electron beam irradiation. The results show that increasing levels of flax fiber in the composites lead to higher water uptake.

POLYMERS (2021)

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Article Polymer Science

A Systematic Study on the Degradation Products Generated from Artificially Aged Microplastics

Greta Biale et al.

Summary: The study analyzed the degradation processes of naturally photo-aged microplastic particles in the environment, revealing the generation of extractable low molecular weight products during photo-degradation. Different types of polymers produced different types of degradation products during the degradation process.

POLYMERS (2021)

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Article Chemistry, Physical

Effectiveness of Esterification Catalysts in the Synthesis of Poly(Ethylene Vanillate)

Eleftheria Xanthopoulou et al.

Summary: This study investigates the effects of catalysts on the synthesis of PEV, evaluates the progress of the reaction and studies the thermal stability of the produced polyesters using various techniques, as well as color measurement. Finally, theoretical kinetic studies are conducted to rationalize the experimental observations.

CATALYSTS (2021)

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Article Chemistry, Physical

Evaluation of the Thermal Behavior, Synergistic Catalysis, and Pollutant Emissions during the Co-Combustion of Sewage Sludge and Coal Gasification Fine Slag Residual Carbon

Yang Guo et al.

Summary: The co-combustion of sewage sludge and coal gasification fine slag residual carbon can improve ignition and burnout properties, maintain combustion stability, and enhance comprehensive combustion performance.

CATALYSTS (2021)

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Article Geochemistry & Geophysics

Geochemical, Geotechnical, and Microbiological Changes in Mg/Ca Bentonite after Thermal Loading at 150 °C

Vlastislav Kaspar et al.

Summary: This paper investigates the changes of a Czech bentonite under high temperatures, revealing that the montmorillonite in the bentonite was partially altered under thermal loading. This alteration led to decreased swelling and water uptake abilities, and increased permeability. The survivability of microbes decreased with increased thermal loading time, but was not completely diminished even in samples heated for one year.

MINERALS (2021)

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Article Chemistry, Multidisciplinary

Elemental Carbon and Its Fractions during Evolved Gas Analysis with Respect to Pyrolytic Carbon and Split Time

Juhan Lee et al.

Summary: The study demonstrated the relationships between elemental carbon (EC) and its fractions during evolved gas analysis (EGA) for PM2.5 samples, finding that EC1+EC3 fractions were best correlated with EC concentrations. The dominant EC fraction was related to carbon oxidation quantity dependence on temperature.

APPLIED SCIENCES-BASEL (2021)

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Article Energy & Fuels

Thermal behavior of Mongolian low-rank coals during pyrolysis

Ariunaa Alyeksandr et al.

Summary: The low-temperature pyrolysis behavior of four low-rank coals from the largest deposits in Mongolia was studied using different equipment and techniques, showing significant structural changes in the coal at 600°C during pyrolysis.

CARBON RESOURCES CONVERSION (2021)

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Article Engineering, Environmental

Evolution characteristics of metallurgical coals for coke making through thermogravimetric-mass spectroscopic measurements

Niloy Kundu et al.

Summary: The simultaneous thermogravimetric-mass spectrometry analysis of pyrolytic decomposition of different metallurgical coals provided insights into the coking mechanism during the carbonisation process. The addition of phenolic resin to coal enhanced fluidity and thermal cracking, revealing the characteristics of gases evolved and helping to eliminate discrepancies in molecular weight components.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

Comparative study on the effect of different dewatering skeleton conditioners on sludge pyrolysis products

Xuwei Pan et al.

Summary: This study investigated the effects of different skeleton conditioners on the pyrolysis products of sludge using thermogravimetric mass spectrometry and pyrolytic gas chromatography/mass spectrometry. Results showed that the addition of rice husk promoted the generation of C/H/O-containing gases, while coal ash increased the production of H2S and COS. The skeleton conditioners did not noticeably promote or inhibit the release of S-containing pollutants during sludge pyrolysis.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

Magnesium supplementation for improved struvite recovery from dairy lagoon wastewater

Alon Rabinovich et al.

Summary: The study investigated the recovery of phosphate as struvite from dairy lagoon wastewater, demonstrating that increasing magnesium concentration can reduce thermal losses of NH4-N and decrease the sorption of micronutrients in the recovered solids. This suggests that lower magnesium concentrations during phosphate recovery can be beneficial for increasing micronutrient content and reducing NH4-N thermal losses in the produced struvite fertilizer.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Application of two morphologies of Mn2O3 for efficient catalytic ortho-methylation of 4-chlorophenol

Wenying Gui et al.

Summary: In this study, vapor phase ortho-methylation of 4-chlorophenol with methanol was investigated over Mn2O3 catalyst with two morphologies, nanoparticles and nanowires. It was found that Mn2O3 nanowires possess larger external surface areas and more abundant acid and base sites. Methanol was shown to reduce 4-chlorophenol and its methide, with Mn3+ being reduced to Mn2+ under the reaction conditions. The mechanism of the dechlorination effect of 4-chlorophenol was proposed, similar to the Meerwein-Ponndorf-Verley-type (MPV) reaction.

RSC ADVANCES (2021)

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Article Chemistry, Physical

DISSOLUTION RATES OF ALLOPHANE WITH VARIABLE Fe CONTENTS: IMPLICATIONS FOR AQUEOUS ALTERATION AND THE PRESERVATION OF X-RAY AMORPHOUS MATERIALS ON MARS

S. J. Ralston et al.

Summary: Recent measurements on Mars have revealed the presence of X-ray amorphous/nano-crystalline materials, primarily allophane and similar silicate materials. Experiments showed that these poorly crystalline materials dissolve approximately ten times faster than crystalline phases with similar compositions under acidic, near-neutral, and alkaline conditions. The rapid dissolution of these materials, along with the formation of phyllosilicate-like phases, may be useful for evaluating aqueous alteration in Martian soils.

CLAYS AND CLAY MINERALS (2021)

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Article Chemistry, Multidisciplinary

Thermal decomposition of ammonium perchlorate-based molecular perovskite from TG-DSC-FTIR-MS and ab initio molecular dynamics

Pengfei Zhai et al.

Summary: This study investigated the thermal decomposition mechanism of a newly synthesized molecular perovskite energetic material DAP based on ammonium perchlorate. Experimental results and molecular dynamics simulations revealed the significant role of organic components in promoting the degradation of ClO4-, providing insights for improving the synthesis strategy of molecular perovskite energetic materials.

RSC ADVANCES (2021)

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Article Electrochemistry

Insights Into Thermal Runaway of Li-Ion Cells by Accelerating Rate Calorimetry Coupled with External Sensors and Online Gas Analysis

Abdelaziz A. Abd-EI-Latif et al.

Summary: This paper explores the safety of Li-ion batteries by studying the behavior of aged and overcharged cells, finding that they exhibit early onset of self-heating compared to unaged cells. The novel ARC-MS setup used in the study allows for tracking both electrochemical and thermal behavior simultaneously.

BATTERIES & SUPERCAPS (2021)

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Article Engineering, Environmental

Micro-mesoporous carbon fabricated by Phanerochaete chrysosporium pretreatment coupling with chemical activation: Promoting effect and toluene adsorption performance

Hairong Cheng et al.

Summary: By coupling Phanerochaete chrysosporium pretreatment with caustic potash etching, templateless micro-mesoporous carbon with high specific surface area was successfully prepared, showing increased adsorption capacity and selectivity for volatile organic compounds.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Energy & Fuels

Co-pyrolysis of microalgae and municipal solid waste: A thermogravimetric study to discern synergy during co-pyrolysis process

S. S. V. Varsha et al.

Summary: Synergism during the co-pyrolysis of microalgae, municipal solid waste, and their blends was evaluated based on thermal decomposition pattern, evolved gases, rate and extent of thermal decomposition, and kinetic parameters. Microalgae showed thermal resistance, while municipal solid waste was thermally sensitive. The obtained thermal and kinetic data can serve as a basis for scale-up and reactor design of pyrolysis process for similar waste streams.

JOURNAL OF THE ENERGY INSTITUTE (2021)

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Article Energy & Fuels

Effect of metal salts on the decomposition characteristics of Mengdong lignite

Guanghua Wang et al.

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS (2020)

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Article Chemistry, Physical

Nanostructured Bi2Te3 as anode material as well as a destabilizing agent for LiBH4

Pooja Kumari et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Article Thermodynamics

Release characteristics of gaseous products during CO2 gasification of char

Shenxian Xian et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2020)

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Article Materials Science, Composites

Flammability, thermal stability and mechanical properties of polyvinyl alcohol nanocomposites reinforced with delaminated Ti3C2Tx (MXene)

Ying Pan et al.

POLYMER COMPOSITES (2020)

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Article Chemistry, Multidisciplinary

Preparation of potassium intercalated carbons by in-situ activation and speciation for CO2 capture from flue gas

Shicheng Cao et al.

JOURNAL OF CO2 UTILIZATION (2020)

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Article Materials Science, Ceramics

Influence of hydrothermal conditions on the phase composition of materials from the system MgO-Al2O3-SiO2-H2O

Ryszard Prorok et al.

JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY (2020)

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Review Instruments & Instrumentation

Thermal decomposition of energetic materials using TG-FTIR and TG-MS: a state-of-the-art review

Abdenacer Benhammada et al.

APPLIED SPECTROSCOPY REVIEWS (2020)

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Article Chemistry, Analytical

Evolved gas analysis-mass spectrometry and isoconversional methods for the estimation of component-specific kinetic data in wood pyrolysis

Federica Nardella et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2020)

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Article Chemistry, Physical

Supported ruthenium nanoparticles on ordered mesoporous carbons using a cyclodextrin-assisted hard-template approach and their applications as hydrogenation catalysts

Sebastien Rio et al.

JOURNAL OF CATALYSIS (2020)

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Article Engineering, Chemical

Development of high-performance sub-nanoporous SiC-based membranes derived from polytitanocarbosilane

Qing Wang et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

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Article Thermodynamics

Experimental study on the influence of water immersion on spontaneous combustion of anthracite with high concentrations of sulfur-bearing minerals

Xueming Li et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2020)

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Article Thermodynamics

CO2 gasification of char from spent mushroom substrate in TG-MS system

Radoslaw Slezak et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2020)

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Article Thermodynamics

Evaluation of pyrolysis and combustion products from foundry binders: potential hazards in metal casting

Angelika Kmita et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2020)

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Article Chemistry, Physical

Promoting Mechanism of MCAR/MDA Coupling Reaction Under Oxygen-Rich Condition to Avoid Rapid Deactivation of MDA Reaction

Xilong Chen et al.

CATALYSIS LETTERS (2020)

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Article Chemistry, Multidisciplinary

Tetraammineplatinum(II) and Tetraamminepalladium(II) Chromates as Precursors of Metal Oxide Catalysts

Evgeny Filatov et al.

CHEMISTRY-A EUROPEAN JOURNAL (2020)

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Article Environmental Sciences

Analysis on thermal behavior of fluorides and cyanides for heat-treating spent cathode carbon blocks from aluminum smelters by TG/DSC-MS & ECSA®

Rongbin Li et al.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2020)

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Article Energy & Fuels

The pyrolysis of vitrinite and inertinite by a combination of quantum chemistry calculation and thermogravimetry-mass spectrometry

Yehan Wang et al.

FUEL (2020)

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Article Energy & Fuels

Effects of nitrogen content on pyrolysis behavior of nitrocellulose

Hua Chai et al.

FUEL (2020)

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Article Energy & Fuels

A novel method for precise measurement of unburnt carbon in boiler fly ash by ECSA® based on TG-MS

Rongbin Li et al.

FUEL (2020)

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Article Chemistry, Inorganic & Nuclear

Gold(I) carboxylates and [Au(C(NH2)2( = S))2] [SO3Me] for the deposition of gold and gold-doped SiOX materials by the atmospheric pressure combustion CVD process

Andrea Preuss et al.

INORGANICA CHIMICA ACTA (2020)

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Article Energy & Fuels

Investigations on the hydrolysis step of copper-chlorine thermochemical cycle for hydrogen production

Rajendra V. Singh et al.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2020)

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Article Chemistry, Analytical

Elucidation of the decomposition reactions of low -fluorine YBa 2 Cu 3 O 7-x precursors during film pyrolysis

L. Piperno et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2020)

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Article Chemistry, Analytical

Catalytic pyrolysis of wasted fishing net over calcined scallop shells: Analytical Py-GC/MS study

Nichaboon Chaihad et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2020)

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Article Chemistry, Analytical

Thermogravimetric-mass spectrometric characterization of thermal decomposition of lignite with attention to the evolutions of small molecular weight oxygenates

Haibo Yan et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2020)

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Article Green & Sustainable Science & Technology

Co-pyrolysis behavior of sewage sludge and rice husk by TG-MS and residue analysis

Teng Wang et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Astronomy & Astrophysics

A quantitative evolved gas analysis for extra-terrestrial samples

A. B. Verchovsky et al.

PLANETARY AND SPACE SCIENCE (2020)

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Article Biochemical Research Methods

Thermal desorption and pyrolysis direct analysis in real time mass spectrometry for qualitative characterization of polymers and polymer additives

Robert B. Cody et al.

RAPID COMMUNICATIONS IN MASS SPECTROMETRY (2020)

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Article Pharmacology & Pharmacy

TGA/Chemometrics addressing innovative preparation strategies for functionalized carbon nanotubes

Roberta Risoluti et al.

JOURNAL OF PHARMACEUTICAL ANALYSIS (2020)

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Article Chemistry, Analytical

Quantitative Analysis of Red Phosphorus in Polypropylene by Evolved Gas Analysis Mass Spectrometry

Takahisa Ishimura et al.

ANALYTICAL SCIENCES (2020)

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Article Chemistry, Multidisciplinary

In Situ Pyrolysis Tracking and Real-Time Phase Evolution: From a Binary Zinc Cluster to Supercapacitive Porous Carbon

Yi-Fan Wang et al.

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Recent Applications of Evolved Gas Analysis by Infrared Spectroscopy (IR-EGA)

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APPLIED SPECTROSCOPY REVIEWS (2013)

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Article Thermodynamics

Thermodynamic Properties of Dopamine in Aqueous Solution. Acid-Base Properties, Distribution, and Activity Coefficients in NaCl Aqueous Solutions at Different Ionic Strengths and Temperatures

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Article Chemistry, Physical

A Combined Theoretical and Experimental Study of Solid Octyl and Decylammonium Chlorides and of Their Aqueous Solutions

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JOURNAL OF PHYSICAL CHEMISTRY B (2013)

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Article Thermodynamics

Nickel and copper biomimetic complexes with N-heterocyclic dicarboxylic ligands

S. Materazzi et al.

THERMOCHIMICA ACTA (2013)

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Article Environmental Sciences

Thermal stability of inorganic and organic compounds in atmospheric particulate matter

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ATMOSPHERIC ENVIRONMENT (2012)

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Article Thermodynamics

TG-MS and TG-FTIR studies of imidazole-substituted coordination compounds: Co(II) and Ni(II)-complexes of bis(1-methylimidazol-2-yl)ketone

S. Materazzi et al.

THERMOCHIMICA ACTA (2012)

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Review Instruments & Instrumentation

Evolved Gas Analysis by Mass Spectrometry

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APPLIED SPECTROSCOPY REVIEWS (2011)

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Article Thermodynamics

Thermoanalytical studies of imidazole-substituted coordination compounds Mn(II)-complexes of bis(1-methylimidazol-2-yl) ketone

S. Materazzi et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2011)

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Review Instruments & Instrumentation

Evolved Gas Analysis by Infrared Spectroscopy

S. Materazzi et al.

APPLIED SPECTROSCOPY REVIEWS (2010)

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Article Engineering, Biomedical

Polypyrrole-polysaccharide thin films characteristics: Electrosynthesis and biological properties

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JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A (2009)

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Article Thermodynamics

Crystal structure and thermoanalytical study of a manganese(H) complex with 1-allylimidazole

S. De Angelis Curtis et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2008)

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Article Thermodynamics

Biomimetic polyimidazole complexes: a thermoanalytical study of Co(II)-, Ni(II)- and Cu(II)-bis(imidazol-2-yl)methane complexes

S. Materazzi et al.

THERMOCHIMICA ACTA (2007)

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Review Chemistry, Analytical

Applications of evolved gas analysis - Part 2: EGA by mass spectrometry

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TALANTA (2006)

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Review Chemistry, Analytical

Applications of evolved gas analysis Part 1: EGA by infrared spectroscopy

S Materazzi et al.

TALANTA (2006)

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Article Thermodynamics

Thermal and kinetic study of dehydration and decomposition processes for copper intercalated γ-zirconium and γ-titanium phosphates

S Vecchio et al.

THERMOCHIMICA ACTA (2005)

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Article Thermodynamics

Biomimetic complexes: thermal stability, kinetic study and decomposition mechanism of Co(II)-, Ni(II)- and Cu(II)-4(5)-hydroxymethyl-5(4)-methylimidazole complexes

S Materazzi et al.

THERMOCHIMICA ACTA (2004)

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Article Chemistry, Inorganic & Nuclear

Crystal structure and physico-chemical properties of cobalt(II) and manganese(II) complexes with imidazole-4-acetate anion

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POLYHEDRON (2003)

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Article Electrochemistry

PVdF-based membranes for DMFC applications

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JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2003)

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Article Thermodynamics

Modeling of radionuclides in natural fluids:: synthesis and characterization of the Na4(UO2)2(OH)4(C2O4)2 complex

R Curini et al.

THERMOCHIMICA ACTA (2002)

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