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Article
Energy & Fuels
Dongao Zhu et al.
Summary: In this study, cobalt-based metal-organic frameworks (Co-based MOFs) were used as supports and co-catalysts to confine the NHPI catalyst, solving the leaching issue. The NHPI@Co-MOF with carboxyl groups exhibited stronger acidity and facilitated the generation of active oxygen radicals O2•, resulting in enhanced catalytic activity. This research provides valuable insights into the selection of suitable organic linkers and broadens the research horizon of MOF hybrids in efficient oxidative desulfurization (ODS) applications.
Article
Energy & Fuels
Qingquan Liu et al.
Summary: The pores in coal have double peaks and the traditional bidisperse diffusion models have three main deficiencies. To solve these problems, we proposed a novel two-stage diffusion model, which can better describe the CH4 diffusion behavior in coal. By using this model to analyze the CH4 diffusion behavior, we obtained some useful results.
Article
Engineering, Environmental
Jie Yin et al.
Summary: A new type of porous ionic liquids (UiO-66-T3PILs) was fabricated using UiO-66(Zr) as the pore generator and [P-6,P-6,P-6,P-14][NTF2] as the size-excluded solvent for extraction coupled catalytic oxidative desulfurization (ECODS). The UiO-66-T3PILs showed higher efficiency than UiO-66 and [P-6,P-6,P-6,P-14][NTF2], indicating a synergistic effect between UiO-66(Zr) and the ionic liquid moiety. This study will contribute to the rational design of novel porous ionic liquids for catalysis.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Wei Xie et al.
Summary: Constructing open metal sites with higher valence state in bimetallic organic frameworks of MIL-47(xV/Cr)-Brs enhances the adsorption performance for deep removal of thiophene-based sulfurs from oil. The synergistic effect of enhanced Metal-S and pi-pi interactions, as well as the H-Bond between mu 2-OH and S of thiophene, improves the desulfurization performance, resulting in excellent capacity of 256 mgS g-1 and high selectivity of thiophene/aromatics. This bimetallic MOF shows superior capacity even in harsh operation conditions and demonstrates potential for adsorptive desulfurization in practical applications.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Tao Wang et al.
Summary: The electrode material and electrolyte are the key factors affecting supercapacitor performance and current research hotspots. Here, three chitosan-based gel electrolytes were prepared by mixing chitosan with amino acids of different acidity levels. The gel film made from chitosan/aspartate nitrate proton salt demonstrated superior mechanical properties and can be used as a gel electrolyte and separator in supercapacitors. Additionally, the gel film can be used as a carbon precursor to prepare N-doped porous carbon with high energy density.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Applied
Jinrui Zhang et al.
Summary: Silica-based porous ionic liquids (OS-PIL) functionalized with quaternary ammonium salt were successfully synthesized to remove dibenzo-thiophene (DBT) in model fuel. The OS-PIL exhibited high extraction activity with a Nernst partition coefficient of 4.22. The synergistic effect between porous materials and ionic liquids, along with the multiple sites in the quaternary ammonium salt, greatly contributed to the high extractive desulfurization efficiency.
FUEL PROCESSING TECHNOLOGY
(2023)
Article
Chemistry, Inorganic & Nuclear
Hongshun Ran et al.
Summary: In recent years, single-atom adsorbents (SAAs) have attracted extensive research interest as a novel class of adsorption materials with maximized atom utilization and uniform isolated adsorption sites. However, gaining a fundamental understanding of the complex behaviors of SAAs for adsorbing thiophenic compounds (THs) remains challenging. This work systematically investigates the mechanisms of adsorption desulfurization (ADS) over single group IIIA metal atoms (Ga, In, and Tl) anchored on hexagonal boron nitride nanosheets (BNNSs) through density functional theory (DFT) calculations. The results reveal the stabilities, substitution preferences, and enhanced adsorption capacities of SAAs for THs, providing insights for the design and application of SAAs in the field of ADS.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Yu -Yang Gu et al.
Summary: In this study, we prepared photo-switchable metal-organic frameworks decorated with Cu2O active sites, showing controllable guest capture. The obtained PMOFs exhibited higher adsorption capacity due to strong interaction with guest molecules. The azobenzene moieties in the PMOFs could freely switch between trans and cis isomerization upon light irradiation, leading to controlled exposure and shelter of the active sites for tailored guest capture.
Article
Chemistry, Physical
Sara Ajmal et al.
Summary: This study demonstrates the successful activation and stabilization of N2 adsorption in the photocatalytic nitrogen fixation process using an electron-deficient boron-doped carbon nitride catalyst. By tuning the bandgap of the carbon nitride, polarizing the adsorbed N2 through electron pair acceptance, and activating the N2 through pi-back donation, the BCN-4 catalyst shows high performance in the synthesis of ammonia. The findings provide insights into improving the photocatalytic efficiency of nitrogen fixation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Chaofeng Huang et al.
Summary: In this study, a simple protonation strategy was implemented to enhance the adsorption capability of Cu-N-C for desulfurization. The protonation not only increased the bonding strength between Cu-N-C and organosulfur but also reconstructed the positive electric field of Cu-N-C, resulting in accelerated mass transfer and higher adsorption kinetics. This research is of great significance for adsorption-related catalysis, separation, and purification.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Anuj Rawat et al.
Summary: A sustainable method using high surface area nanoporous adsorbents synthesized from polycyclic aromatic hydrocarbons (PAHs) effectively removes polycyclic aromatic sulphur heterocycles (PASHs) from fuels. By hypercrosslinking PAHs through a microwave assisted method, nanoporous polymeric materials with high surface area (SABET of 620-1565 m2 g-1) are synthesized. The adsorbent poly-naph (highest SABET, i.e., 1565 m2 g-1) demonstrates excellent desulphurization performance from batch to fixed bed column mode. The adsorption mechanism is attributed to the π-electron density in the polymeric framework and the high surface area. This approach requires technological advancement, financial assistance and governmental regulation to sustain the control of carcinogenic aromatic pollutants.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Chemical
Yuan Zhang et al.
Summary: A series of BCN nanofibers doped with Cu(I) adsorption sites (BCN-Cu-X, X = 0.02, 0.04, 0.06, 0.08 mmol) were successfully fabricated via a simple one-pot pyrolysis method. BCN-Cu-0.04 exhibited significantly higher adsorption capacity for DBT compared to BCN, and also showed high ADS performance for the refractory sulfur compound 4,6-DMDBT. DFT calculations revealed that the enhanced performance of BCN-Cu-X in ADS is attributed to the p-p interaction and newly formed S-Cu coordination bond.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Engineering, Environmental
Jie Zhu et al.
Summary: The 3D-CeO2/ATP monolithic adsorbents were successfully constructed through a 3D printing strategy, showing excellent adsorption desulfurization performance of more than 85 % sulfur removal at room temperature. Combined with a 3D-printed multifunctional fixed-bed reactor, a reaction process capable of adsorption-elution was designed for deep adsorption of sulfide in fuel and resource recovery of high-value sulfide products. The structure and physicochemical property of the 3D-CeO2/ATP monolithic adsorbents were characterized, and the adsorption and elution mechanism were investigated in detail.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Chemical
Lingchao Xu et al.
Summary: In this study, three representative Mo-based MOFs were constructed by assembling different organic linkers and MoO3, resulting in homogeneously dispersed Mo atoms. The Mo-MOF-PI catalyst synthesized with 2-propyl imidazole as the ligands showed extremely fast reaction rate, achieving 99.4% sulfur removal of DBT within only 12 min. Compared to other similar catalysts, Mo-MOF-PI exhibited much higher catalytic activity with a turnover frequency value of 19.2 h-1. Furthermore, it can be reused at least 20 times without a significant reduction in catalytic performance. Thus, the prepared Mo-MOF catalysts have great potential in large-scale industrial applications.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Physical
Jinrui Zhang et al.
Summary: The one-step coupling neutralization reaction (OCNR) method was proposed for the controllable synthesis of functionalized protic porous ionic liquids (PPILs). Three types of PPILs were synthesized based on tuning the position of the corona amino functional groups. The results showed that protic ion pairs and porous structure played crucial roles in the formation of PPILs and their extraction adsorption coupled desulfurization (EADS) performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Yu -Yang Gu et al.
Summary: For the first time, PMOFs decorated with Cu2O active sites and functionalized with azobenzene have been prepared, allowing for controllable adsorption of benzothiophene through light regulation.
Article
Energy & Fuels
Leila Yosefi et al.
Summary: A series of novel nickel, molybdenum, and cobalt loaded boron nitride adsorbents were synthesized for adsorptive removal of DBT from model diesel fuel. Among these adsorbents, cobalt and nickel loaded boron nitride showed the best desulfurization capacity. This enhancement in adsorption performance could be attributed to the interactions between metal oxides and the adsorbent.
Article
Materials Science, Multidisciplinary
Hao-Feng Wu et al.
Summary: The study introduced an alcohol-solvent mediated strategy to improve the adsorption efficiency of hexagonal boron nitride nanosheets for tetracycline removal from contaminated water. The BNNSs synthesized with n-propanol solvent exhibited the largest pore volume and relatively high specific surface area, resulting in enhanced adsorption performance and potential application prospect in wastewater treatment.
Article
Engineering, Environmental
Luxia Yin et al.
Summary: A simple and environmentally friendly method was used to prepare highly dispersed CeO2/SiO2 aerogel composites with different molar ratios of Si/Ce, achieving oxidation of Ce3+ species into Ce4+ species. The adsorption desulfurization performance of CeO2/SiO2 was investigated for thiophenic compounds, showing best results in simulated gasoline with an effective removal of sulfur compounds.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Rohan Bahadur et al.
Summary: This review focuses on the synthesis methods, structure-property relationships, and application perspectives of BCN and BN, providing up-to-date information not previously covered. The porosity of BCN, a fascinating yet less explored aspect, is highlighted, with its high surface area and pore size enhancing material efficiency. The review also examines various factors affecting the structure and property relationship of BCN and discusses current challenges and future directions in application fields.
Article
Engineering, Environmental
Guohao Zhang et al.
Summary: This study investigated the competitive adsorption mechanism of thiophene/diethyl sulfide on all-silicon Y zeolite using GCMC simulation. A two-stage loads dependence adsorption mechanism was discovered, and it was found that high temperature enhances the selectivity of thiophene adsorption while lower temperature can remove sulfides more completely.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Multidisciplinary
Jing Luo et al.
Summary: The oxygen-modified hexagonal boron nitride (BN-2O), constructed through interior substitution and edge hydroxylation, exhibits significantly improved adsorption capacity compared to traditional edge hydroxylated BN (BN-OH). The increased oxygen doping at the edges of BN-2O enhances the coverage of the adsorbate, and the oxygen atoms in the BN interior structure polarize the adsorbate, resulting in a dipole interaction between the adsorbate and BN-2O. This polymer-based strategy can be extended to other heteroatom doping systems to enhance adsorption performance.
Article
Chemistry, Inorganic & Nuclear
Xin An et al.
Summary: Modulating the electronic characteristics of catalysts is crucial for optimizing their catalytic activity. In this study, Mn-doped nickel molybdate nanorods were synthesized to enhance the activation of oxygen. MNMO exhibited significantly higher catalytic activity compared to NiMoO4, achieving complete desulfurization under the same reaction conditions. The introduced Mn atoms modulated the electronic structure and surface composition of NiMoO4, leading to enhanced oxygen vacancy content and improved O2 activation capacity. Furthermore, the optimized catalyst MNMO-20 demonstrated satisfactory cycle performance, maintaining 96.1% sulfur removal of dibenzothiophene after six recycling processes.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Liyi Yao et al.
Summary: Polyimide covalent organic framework (PI-COF) materials are considered as emerging electrode materials for rechargeable devices. However, the highly crystalline PI-COFs with hierarchical porosity are less reported. In this study, a water-assistant synthetic strategy was developed to adjust the reaction rate of polyimidization, and PI-COF (COFTPDA-PMDA) with kgm topology was successfully synthesized with high crystallinity and porosity. The COFTPDA-PMDA possesses hierarchical micro-/mesoporous channels with the largest surface area in PI-COFs, which can promote the interaction between Li+ ions and TFSI- ions to increase the specific capacity of cathode materials. As a cathode material for lithium-ion batteries, COFTPDA-PMDA@50%CNT showed high initial charge capacity and excellent cycling stability.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Physical
Jing Luo et al.
Summary: This study successfully synthesized Ce@C-BN materials through a direct pyrolysis strategy, which exhibited high specific surface area and excellent adsorption performance for desulfurization. The presence of Ce-MOFs not only provided active sites but also enhanced the interaction between Ce and BN.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Wei Jiang et al.
Summary: By using single-atom chromium catalysts on multiwalled carbon nanotubes, efficient oxidative desulfurization reactions have been achieved, with promising catalytic performance and cycling stability, providing a potential catalyst for sulfur removal in practical fuels.
Article
Chemistry, Multidisciplinary
Hui Liu et al.
Summary: This study investigates the mechanisms of adsorptive desulfurization over a single Ag atom supported on defective hexagonal boron nitride nanosheets. The results show that the Ag atom can be anchored onto the h-BN nanosheets and exhibit enhanced adsorption capacity for thiophenic compounds primarily by the S-Ag bond with pi-pi interaction maintaining. The SAAs also demonstrate high selectivity to 4,6-DMDBT with strong interaction energy.
Article
Environmental Sciences
Ali Akbar Mohammadi et al.
Summary: Metal-organic frameworks (MOFs) are promising porous nanomaterials in the field of environmental remediation. In this study, Ni-MOF and Fe-MOF were analyzed for their structure using various characterization methods. The results showed that Fe-MOF exhibited remarkable adsorption of organic and inorganic model contaminants, indicating a favorable adsorption process.
ENVIRONMENTAL RESEARCH
(2022)
Article
Engineering, Environmental
Feliu Sempere et al.
Summary: Nitrification of centrate from anaerobic sewage sludge digestion presents a major opportunity as an electron acceptor in anoxic biogas biodesulphurisation. Nitritation and nitrification inhibition by free ammonia was detected at laboratory scale, but was avoided during the scale-up operation in a 4 m(3) reactor treating ammonium loads up to 19 gN m(-3) h(-1).
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Review
Engineering, Chemical
Jie Yin et al.
Summary: This review highlights the research progress in the field of gas capture, separation, and conversion using porous liquids and focuses on the synthesis methods and absorption-separation mechanisms of porous liquids at the molecular level.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Tian Tian et al.
Summary: Study finds that metal-organic frameworks can serve as precursors for metal-functionalized porous boron nitride, expanding the potential of porous boron nitride in catalysis and optical applications. The type of metal in the MOF precursor also impacts the purity of the porous boron nitride.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Qunhong Weng et al.
Summary: Hydrogen fuel cell vehicles face high costs due to inefficient hydrogen storage technologies, with research showing that the chemical states of porous boron nitride materials significantly impact their hydrogen adsorption performances.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Materials Science, Ceramics
Majid Mirzaee et al.
Summary: In this study, hexagonal boron nitride (h-BN) was synthesized through a simple, low-cost, template-free method using different precursors. The samples were characterized using various techniques, showing differences in specific surface area and pore size among h-BN synthesized from different precursors. Raman spectroscopy and XPS analysis confirmed the formation of h-BN in the MUB sample.
CERAMICS INTERNATIONAL
(2021)
Article
Energy & Fuels
Liping Mu et al.
Summary: The hybrid nanocomposite exhibits excellent desulfurization performance and impressive adsorption capacity for different types of sulfides, showing great potential for applications in various fields.
Article
Engineering, Chemical
Jing Luo et al.
Summary: Novel aerogel-like boron carbon nitride (BCN) materials with excellent desulfurization capacity were prepared through a hydrogel template and freeze-casting strategy. The BCN aerogels exhibited superior adsorption performance and selective adsorption characteristics for removing aromatic organosulfur compounds. This study also revealed heterogeneous adsorption mechanisms on BCN aerogels through pi-pi and Lewis acid-base interactions, indicating their potential for efficient sulfur removal in fuel refining processes.
Article
Engineering, Environmental
Jing He et al.
Summary: Ti3C2 MXene with dynamically-generated TiO2 active site shows enhanced catalytic oxidative desulfurization performance, attributed to its abundant interface engineering and loosely layered structure. The expanded slit layer in Ti3C2 MXene provides more pores and cavities for accelerated mass transfer, leading to efficient removal of sulfides in diesel. Additionally, the dynamically-generated active sites from continuous activation of molecular oxygen and Ti3C2 MXene play a key role in enhancing the catalytic activity.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Hongping Li et al.
Summary: The study demonstrates that oxygen-doped boron nitride materials can enhance adsorptive desulfurization performance, with O-bri-B-N and OH-top-B doping models particularly contributing to the enhancement. Quantum chemical analysis reveals that the newly formed O···H-C hydrogen bond is a key factor in the enhancement mechanism.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Energy & Fuels
Jun Xiong et al.
Article
Chemistry, Physical
Liancheng Wang et al.
Article
Chemistry, Multidisciplinary
Jianli Liang et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
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Qianqian Song et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
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Hongping Li et al.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2019)
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Dong Xia et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Article
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Kevin X. Lee et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
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Article
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FUEL PROCESSING TECHNOLOGY
(2018)
Article
Chemistry, Multidisciplinary
Jun Xiong et al.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2018)
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JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2018)
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Chemistry, Multidisciplinary
Qunhong Weng et al.
ADVANCED MATERIALS
(2017)
Article
Chemistry, Physical
Yun Zu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2017)
Article
Chemistry, Multidisciplinary
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CHEMICAL COMMUNICATIONS
(2016)
Article
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Peng Tan et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2016)
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ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2016)
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JOURNAL OF PHYSICAL CHEMISTRY B
(2015)
Article
Chemistry, Physical
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JOURNAL OF MATERIALS CHEMISTRY A
(2015)
Article
Chemistry, Applied
Fuping Tian et al.
FUEL PROCESSING TECHNOLOGY
(2014)
Article
Chemistry, Physical
Qunhong Weng et al.
ADVANCED ENERGY MATERIALS
(2014)
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Chemistry, Inorganic & Nuclear
Santiago Alvarez
DALTON TRANSACTIONS
(2013)
Article
Multidisciplinary Sciences
Weiwei Lei et al.
NATURE COMMUNICATIONS
(2013)
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Elham S. Moosavi et al.
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JOURNAL OF COMPUTATIONAL CHEMISTRY
(2012)
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Chemistry, Applied
Mykola Seredych et al.
FUEL PROCESSING TECHNOLOGY
(2010)
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Mykola Seredych et al.
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AN Zhou et al.
JOURNAL OF PHYSICAL CHEMISTRY B
(2006)
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ZX Jiang et al.
