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Article
Energy & Fuels
Joao Manuel Rego Silva et al.
Summary: The sunflower oil pyrolysis process was evaluated using TGA-FTIR technology with microporous (H-ZSM-5) and mesoporous (Al-MCM-41) catalysts. The catalysts were characterized and shown to have good structural organization. The reaction kinetics were determined using isoconversional methods, and the apparent activation energies for different conversion rates were calculated.
Article
Multidisciplinary Sciences
Fei Pan et al.
Summary: This study reports the gram-scale preparation of a new type of carbon, long-range ordered porous carbon (LOPC), from C-60 powder catalyzed by alpha-Li3N. LOPC consists of connected broken C-60 cages that maintain long-range periodicity. The preparation of LOPC enables the discovery of other crystalline carbons starting from C-60(s).
Article
Chemistry, Physical
Linlin Sun et al.
Summary: A special two-layer coordination configuration anchored single-atom La (SALa) catalyst was synthesized to achieve effective electron separation and efficient active sites for O2 activation. The SALa microenvironment was obtained through a novel reduction method, which prevented the formation of rare earth oxides and achieved a higher SALa loading (10.34 wt%) compared to previous studies. Photodegradation tests showed that SALa/CN could completely remove antibiotics within 30 min, and its first-order kinetic constant was 9.81 times higher than that of 3DA-CN. SALa acted as a bridge for electron transfer, and & BULL;O2-, 1O2, and h+ were the main active species responsible for degrading tetracycline into pollution-free small molecules. This study provides an efficient strategy for rare earth single-atom catalysts with potential practical applications.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Agricultural Engineering
Jiaying Song et al.
Summary: Nano Y2O3-modified biochar composites (Y2O3@BC600) were successfully fabricated and demonstrated excellent adsorption capacity for oxytetracycline (OTC). Y2O3@BC600-1:4 exhibited a Langmuir adsorption capacity for OTC of 223.46 mg/g, which was 10.52 times higher than that of BC600. The enhanced adsorption performance of Y2O3@BC600-1:4 could be attributed to the higher dispersion of Y2O3 nanoparticles, increased surface area of 175.65 m(2)/g, and expanded porosity of 0.27 cm(3)/g.
BIORESOURCE TECHNOLOGY
(2023)
Article
Agricultural Engineering
Xueting Zhang et al.
Summary: The aim of this study was to establish a relationship model between bio-hydrogen yield and key operating parameters affecting photo-fermentation hydrogen production from co-substrates. The artificial neural network-genetic algorithm (ANN-GA) model was found to be more suitable and accurate in predicting biohydrogen yield compared to the central composite design-response surface methodology (CCD-RSM). The highest predicted biohydrogen yield (99.09 mL/g) by the ANN-GA model was 4.20% higher than the CCD-RSM model (95.10 mL/g) at specific operating conditions.
BIORESOURCE TECHNOLOGY
(2023)
Article
Agricultural Engineering
Varuna Watwe et al.
Summary: This study proposes the development of a low-cost, renewable, and porous adsorbent derived from Ficus benjamina leaves for removing cationic dyes from wastewater. The adsorbent was characterized and found to have small pore size, high volume, and large surface area. The optimal pH for adsorption varied for different dyes, and the adsorption mechanism was determined to be a two-body interaction. The pulverized dry leaves of Ficus benjamina showed great potential as a batch adsorbent for cationic dyes in wastewater.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Engineering, Environmental
Xiaochen Cheng et al.
Summary: The discharge of crystal violet wastewater poses severe harm to the natural environment and human health due to its toxicity and carcinogenicity. The adsorption characteristics and mechanism of crystal violet on magnetic nanoparticles decorated bacteria were investigated, including the kinetic, equilibrium, mass transfer mechanism, and site energy distribution analysis. The results showed that Fe3O4 @bacteria had a high adsorption capacity for crystal violet, exhibited good recycling ability, and effectively reduced COD in dyeing wastewater. The adsorption process followed the Temkin isotherm and Elovich and pseudo-second-order kinetics models, and the mass transfer mechanism was described by the IPD model.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Agricultural Engineering
Chunhe Jiang et al.
Summary: Reactive Molecular Dynamics Simulation was used to investigate the role of water molecules in the depolymerization of lignin. The study revealed that the role of water changes with temperature, with three stages identified: promotion-inhibition-promotion. Hydrothermal processing can promote the cleavage of ether bonds and inhibit the destruction of carbocycles, resulting in the generation of more combustible gas resources. The findings suggest that the pyrolysis conditions of lignin can be flexibly controlled to obtain solids, liquids, or gases.
BIORESOURCE TECHNOLOGY
(2023)
Article
Green & Sustainable Science & Technology
Bai-Qin Zhou et al.
Summary: The application of sludge-based biochar and its derivatives is an environmentally-friendly approach to remove antibiotics from aquatic media. Surface modification (Fe3O4) and spherization (chitosan) were used to improve the adsorption capacity of sludge-based biochar toward tetracycline hydrochloride (TC). The adsorption capacity of FeB-11 for TC was primarily enhanced by surface complexation, while other factors such as space filling, hydrogen bonding, 7c-7c interaction, electrostatic interaction, and ion exchange also contributed to the adsorption process.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Nanoscience & Nanotechnology
Xinyu Zhang et al.
Summary: Biochar porous carbon material (BPCM) with rare earth elements as pore and wall strengthening units was synthesized, resulting in the formation of a beam and column structure BPCM. The designed synthesis route was reasonable, and the La element played a stabilizing role in maintaining the overall structure of BPCM. The functionalized BPCM exhibited superior adsorption capacity and removal efficiency for dye pollutants.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Environmental Sciences
Pu Wang et al.
Summary: This study presents a novel three-dimensional graphene/La(OH)(3)-nanorod aerogel (GLA) prepared by a unique self-assembly process for the removal and recovery of phosphorus from low concentration P-containing wastewater. The GLA shows excellent adsorption performance and recyclability, making it a promising method for P removal and recovery.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Physical
Paul Kim et al.
Summary: This study investigates the adsorption of NO on Pd/H-CHA and finds that NO adsorption is governed by Pd2+ and Pd+ sites at different temperatures. In addition, the IR spectroscopy results show that the feature at 1860 cm(-1) is attributed to weakly-bound NO on Pd2+ and strongly-bound NO on Pd+ is responsible for the feature at 1810 cm(-1).
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Agricultural Engineering
Ying Xu et al.
Summary: This study presents an approach for developing periphytic biofilm with AHLs stimulation and La loading to achieve efficient and stable phosphorus recovery from wastewater. The combination of AHLs stimulation and La loading achieved 99.0% P entrapment and a method for separate recovery of P and La from biofilms was developed.
BIORESOURCE TECHNOLOGY
(2022)
Article
Green & Sustainable Science & Technology
Sutapa Das et al.
Summary: Biomass-derived char, known as bio-char, is a stable form of carbon with various applications. The study optimizes the slow pyrolysis of rice husk under inert and reactive environment and analyzes the properties of the bio-char produced. The bio-char obtained under a reactive (CO2) environment exhibits higher porosity and surface area, making it a potential adsorbent. The bio-char obtained under an inert (N-2) environment has higher carbon content, thus can be used as soil conditioners.
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
(2022)
Article
Environmental Sciences
Basit Ahmed Khan et al.
Summary: The study demonstrates the potential of engineered biochar derived from pinecone, impregnated with iron and aluminum salts, to effectively remove fluoride ions from water. The AlCl3-modified biochar exhibits enhanced adsorption capacity and can remove fluoride ions even in the presence of competing ions.
ENVIRONMENTAL RESEARCH
(2022)
Article
Engineering, Environmental
Veronika Veselska et al.
Summary: The incorporation of LDHs and HFOs into hybrid biochar-based composites in this study provides an innovative and cost-effective method for treating As/Sb-rich mine waters, showing great potential for remediation of small volumes of contaminated water in commercial applications.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Agricultural Engineering
Fatma Mbarki et al.
Summary: This study aimed to produce low-cost activated carbon (AC) from corn stigmata (CS) through chemical activation at low temperatures using H3PO4, ZnCl2, and KOH. The results showed that activation with phosphoric acid resulted in an adsorbent with a larger specific surface area and high pore size. Increasing the activation temperature from 200 to 500 degrees C led to the development of surface functions, a mixture of meso and microporosity, and a significant increase in specific surface area. The physicochemical and textural properties of ACs were analyzed using various techniques, and the adsorption process of methylene blue (MB) was well described by mathematical models. The maximum adsorption capacity for MB was found to be high compared to previous literature.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Chemistry, Physical
Amali Herath et al.
Summary: This study reports the use of metal Fe-Ti oxide/biochar composite for simultaneous removal of aqueous Pb2+, Cr6+, F-, and methylene blue (MB). The Fe2TiO5/BC composite showed excellent adsorption and photocatalytic degradation capabilities for the target pollutants. Moreover, it exhibited effective removal of competitive ions in simulated water samples. The study of energy band gaps of Fe2TiO5, BC, and Fe2TiO5/BC provides insights into the photocatalytic degradation mechanism of MB and the potential application in water treatment using metal oxide with smaller band gaps than TiO2.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Engineering, Environmental
Mingzhu Liu et al.
Summary: This study systematically investigated the oxidation of Benzophenone-1 (BP-1) by ferrate (Fe(VI)), revealing that neutral pH and high oxidant dose were favorable for the reaction. The study also identified intermediates and predicted five dominating reaction pathways, contributing to a better understanding of Fe(VI) chemistry and its potential application in water treatment.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Chemical
Sikha Sikha et al.
Summary: This study successfully synthesized activated carbon impregnated with cerium and iron using ultrasonication, and evaluated their performance for defluoridation of drinking water. The results showed that ultrasonication significantly improved the adsorption rate and capacity, making the material highly effective for fluoride removal from drinking water.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Minfeng Zeng et al.
Summary: In this study, a novel pillared montmorillonite encaging porous chitosan derived activated N-doped carbon-supported Pd nanoparticles catalyst was successfully synthesized. The catalyst showed high catalytic efficiency for Sonogashira reactions and can be recycled multiple times. The unique encagement of the catalyst in the layered nanospaces of pillared montmorillonite was further elucidated by various characterization methods.
APPLIED CLAY SCIENCE
(2022)
Article
Engineering, Environmental
Zhong-Min Li et al.
Summary: This study tested 14 ultraviolet filters in 50 sunscreen products and found significant variations in their concentrations. Even products labeled as oxybenzone- or octocrylene-free contained detectable levels of BP and BP-3, raising concerns about dermal exposure.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Review
Engineering, Chemical
Tariq Alsawy et al.
Summary: This article comprehensively reviews the effectiveness and challenges of chemical regeneration of biochar contaminated with organic and inorganic pollutants, and proposes future research directions to support the sustainable application of biochar in wastewater treatment.
Article
Engineering, Chemical
Meng Du et al.
Summary: Phosphorus removal and recovery are important for water pollution control. In this study, La-doped activated carbon adsorbents were prepared, which exhibited high phosphorus adsorption capacities and enhanced mass transfer rate. The adsorbents maintained excellent performance at low phosphorus concentrations and can be applied in actual wastewater treatment.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Environmental Sciences
Peter A. Ajibade et al.
Summary: Emerging pollutants are uncontrolled pollutants with negative potentials in the environment. This study investigated the sorption of ketoprofen and benzophenone, representative EPs, from aqueous solutions using manganese ferrite biochar as an adsorbent. The results showed that the adsorbent had a high adsorption capacity and good recyclability, making it an effective method for the removal of emerging contaminants.
ENVIRONMENTAL CHEMISTRY AND ECOTOXICOLOGY
(2022)
Article
Engineering, Multidisciplinary
M. Afrasiabi et al.
Summary: This paper presents the first application of a higher-order SPH method to thermal modeling of metal cutting problems, achieving more accurate heat transfer equation solutions by addressing the consistency issue of standard SPH formulations. The study utilizes a robust surface-detection algorithm and GPU parallel computing to accelerate SPH runtime, leading to more realistic simulations of titanium cutting problems.
APPLIED MATHEMATICAL MODELLING
(2021)
Article
Engineering, Environmental
Huiping Li et al.
Summary: This study revealed that the higher distribution frequency of valid adsorption sites and higher solution temperature contributed to the efficient phosphate uptake. The analysis also indicated that temperature greatly influenced the diffusion pathway, and characterization-based analysis proposed various possible adsorption mechanisms.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Chemical
Long Cheng et al.
Summary: A novel N-doped porous graphitized biochar (NPGBC) with excellent adsorption capacities for methylene blue and methyl orange from wastewater was prepared in this study. The adsorption process followed pseudo-second-order kinetics and Sips models. Pyrrole N and pyridine N played crucial roles in the removal of methyl orange, and their contents affected the adsorption performance, with interactions including p-p stacking and electrostatic and hydrogen-bonding interactions.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Engineering, Chemical
Azmat Ali Khan et al.
Summary: A well-designed two-dimensional architecture was constructed by coupling oxygen-vacancy-rich trimetallic CoAlLa layered double hydroxide (CoAlLa-LDH) with titania-sandwiched Ti3C2 MXene multilayers to achieve enhanced photocatalytic CO2 reduction. The composite showed significantly higher photoactivity due to better sorption process, superior charge carrier separation, good interfacial contact, and the presence of dual-phase titania as a bridge for separating charges. Additionally, the composite catalyst demonstrated high durability in multiple cycles.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Environmental Sciences
Xiangzhi Li et al.
Summary: In this study, batch experiments were conducted to investigate the adsorption of CIP on different iron minerals, revealing differences in adsorption mechanisms. The thermodynamic data and SEDT results indicate that the adsorption mechanisms to goethite and hematite/magnetite were mainly outer- and inner-sphere complexation, respectively. The findings provide insights into the adsorption mechanisms and transport of antibiotics in soils containing typical iron minerals.
JOURNAL OF ENVIRONMENTAL QUALITY
(2021)
Article
Environmental Sciences
Zhen-Zong Bao et al.
Summary: This study investigated the adsorption and desorption behavior of pollutants on PVC microplastics, with results showing that an increase in hydroxyl group substitution degree can inhibit the adsorption of pollutants. Conversely, the release amounts of pollutants from PVC were influenced by the hydroxyl group content. The affinity of pollutants to PVC microplastics is mainly influenced by hydrophobic effect, electrostatic repulsion, and CH-pi interaction forces.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Justyna Kapelewska et al.
Summary: This study investigated the simultaneous sorption behaviors of four analytes from the UV filters group on virgin and aged high-density polyethylene particles in milliQ and river water. Results showed that environmental conditions and physicochemical properties of analytes influenced the sorption mechanism between UV filters and HDPE particles, primarily driven by hydrophobic interactions.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Materials Science, Ceramics
Jinmiao Hou et al.
JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY
(2020)
Article
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Yuan Tian et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Review
Engineering, Environmental
Jianlong Wang et al.
JOURNAL OF HAZARDOUS MATERIALS
(2020)
Article
Thermodynamics
Yue Sun et al.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2020)
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Chemistry, Multidisciplinary
Subbaiah Muthu Prabhu et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
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Cherifa Ayadi et al.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2019)
Article
Agricultural Engineering
Yun Yu et al.
BIORESOURCE TECHNOLOGY
(2019)
Article
Energy & Fuels
Yong Sun et al.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2019)
Article
Environmental Sciences
Zhongxin Tan et al.
JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT
(2018)
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Polymer Science
Anuradha Kumari et al.
JOURNAL OF APPLIED POLYMER SCIENCE
(2018)
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Green & Sustainable Science & Technology
Xia Zhou et al.
JOURNAL OF CLEANER PRODUCTION
(2018)
Article
Engineering, Environmental
Bei Yan et al.
CHEMICAL ENGINEERING JOURNAL
(2017)
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Chemistry, Physical
M. Arshadi et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2016)
Article
Physics, Condensed Matter
Mahnaz Ghiasi et al.
SUPERLATTICES AND MICROSTRUCTURES
(2015)
Review
Environmental Sciences
Alessando Careghini et al.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2015)
