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Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 159-187 doi: 10.1007/s11705-019-1885-1

Abstract: Metal-containing zeolite catalysts have found a wide range of applications in heterogeneous catalysisThe advanced solid-state NMR (SSNMR) spectroscopy is robust in the study of zeolites and zeolite-catalyzeddevelopments and applications of SSNMR for exploring the structure and property of active sites in metal-containingzeolites.Finally, we highlight the mechanistic understanding of catalytic reactions on metal-containing zeolites

Keywords： metal-containing zeolites     solid-state NMR     active site     host-guest interaction     reaction mechanism    

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Optimizing iodine capture performance by metal–organic framework containing with bipyridine units

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 395-403 doi: 10.1007/s11705-022-2218-3

Abstract: The adsorptive capture of radioactive iodine by metal–organic frameworks (MOFs) has risen to prominence

Keywords： metal–organic framework     iodine     adsorption     nuclear waste     environmental remediation    

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Crystalline porous materials: from zeolites to metal-organic frameworks (MOFs)

Zaiku Xie, Bao-Lian Su

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 123-126 doi: 10.1007/s11705-020-1921-1

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Confinement effects in methanol to olefins catalysed by zeolites: A computational review

German Sastre

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 76-89 doi: 10.1007/s11705-016-1557-3

Abstract: Small pore zeolites, containing 8-rings as the largest, are widely employed as catalysts in the processSmall pore zeolites and silicon-aluminophosphates(SAPOs) containing cavities, where olefins are mainlyof these and other species will be reviewed in terms of confinement effects in different cage-based zeolites

Keywords： small pore zeolites     SAPOs     methanol-to-olefins     hydrocarbon pool mechanism     alkylation of polymethylbenzenes    

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Construction of defect-containing UiO-66/MoSe heterojunctions with superior photocatalytic performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 449-459 doi: 10.1007/s11705-022-2226-3

Abstract: Metal–organic frameworks are recognized as promising multifunctional materials, especially metal–organicevaluated by measuring the degradation rate of Rhodamine B and the catalyst’s ability to reduce Cr(VI)-containing

Keywords： UiO-66/MoSe2     photocatalysis     dye-containing wastewater     heavy metal wastewater     oxygen vacancies    

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Coextraction of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 902-912 doi: 10.1007/s11705-019-1887-z

Abstract: High-manganese containing vanadium wastewater (HMVW) is commonly produced during the vanadium extraction

Keywords： high-manganese containing vanadium wastewater     solvent extraction     carbonate precipitation     vanadium titano-magnetite     valuable metal recovery    

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Multifunctional heteroatom zeolites: construction and applications

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1462-1486 doi: 10.1007/s11705-021-2099-x

Abstract: Multifunctional heteroatom zeolites have drawn broad attentions due to the possible synergistic effectsHerein, current research status of multifunctional heteroatom zeolites is briefly summarized, aimingFirst, the synthesis strategies toward heteroatom zeolites are introduced, including the direct synthesisproperties are shown and compared; finally, the catalytic applications of multifunctional heteroatom zeolites

Keywords： zeolite     multifunctional active sites     heteroatom     characterization     catalysis    

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Hierarchically porous zeolites synthesized with carbon materials as templates

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1444-1461 doi: 10.1007/s11705-021-2090-6

Abstract: Hierarchically porous zeolites are promising candidates in catalytic conversion of relatively bulky moleculesmaterials have been widely employed as hard templates for the preparation of hierarchically porous zeolitesthe carbon templates and zeolite precursors, the substantial strategies for synthesizing hierarchical zeolitesIn addition, the technique of encapsulating metal species into zeolites crystals with the assistanceThis review is expected to attract interest in the synthesis strategies of hierarchically porous zeolites

Keywords： hierarchical zeolites     carbon materials     direct templates     indirect templates     carbon-silica composites    

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High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 77-82 doi: 10.1007/s11705-017-1684-5

Abstract: However, a quantitative study of diffusion problems in SAPO-34 zeolites is lacking.The diffusions of ethane and propane over fresh and coked SAPO-34 zeolites with different crystal sizesbelieve that this work would be helpful for understanding the diffusion of different molecules in SAPO-34 zeolites

Keywords： diffusion measurement     methanol-to-olefin process    

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Mixed-Matrix Membranes Containing Porous Materials for Gas Separation: From Metal–Organic Frameworks Review

Ziqi Yang, Zhongjie Wu, Shing Bo Peh, Yunpan Ying, Hao Yang, Dan Zhao

Engineering 2023, Volume 23, Issue 4,   Pages 40-55 doi: 10.1016/j.eng.2022.07.022

Abstract: In this review, we highlight state-of-the-art advances in combining metal–organic frameworks (MOFs) and metal–organic cages (MOCs) with polymeric matrixes to fabricate MMMs using different strategies

Keywords： Gas separation     Metal–organic frameworks     Metal–organic cages     Mixed-matrix membranes     Interfacial compatibility    

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Mesoporous zeolites for biofuel upgrading and glycerol conversion

Jian Zhang, Liang Wang, Yanyan Ji, Fang Chen, Feng-Shou Xiao

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 132-144 doi: 10.1007/s11705-017-1681-8

Abstract: In particular, owing to their uniform micropores, strong acidity, and stable and rigid frameworks, zeolitesTo overcome this issue, mesoporous zeolites with pores larger than those of biomolecules have been synthesizedAs expected, these mesoporous zeolites have outperformed conventional zeolites with improved activitiesThis review briefly summarizes recent works on the rational synthesis of mesoporous zeolites and their

Keywords： biomass conversion     mesoporous zeolite     sustainable chemistry    

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Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1735-1742 doi: 10.1007/s11705-022-2167-x

Abstract: A nitrogen-containing ionic liquid was synthesized using an aromatic nitrogen-containing heterocyclicClassification of non-covalent interactions between the ionic liquid and the three sulfur-containing

Keywords： extractive desulfurization     nitrogen-containing heterocyclic ionic liquid     reduced density gradient analysis    

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Mesoporous zeolites as efficient catalysts for oil refining and natural gas conversion

Jie ZHU, Xiangju MENG, Fengshou XIAO

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 233-248 doi: 10.1007/s11705-013-1329-2

Abstract: Zeolites have been regarded as one of the most important catalysts in petrochemical industry due to theirHowever, the sole micropores in zeolites severely limit their applications in oil refining and naturalTo solve the problem, mesoporous zeolites have been prepared by introducing mesopores into the zeolitereview, after giving a brief introduction to preparation, structure, and characterization of mesoporous zeolites, we systematically summarize catalytic applications of these mesoporous zeolites as efficient catalysts

Keywords： mesoporous zeolite     catalysis     oil refining     natural gas conversion    

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Fabrication of titanosilicate pillared MFI zeolites with tailored catalytic activity

Baoyu Liu, Qiaowen Mu, Jiajin Huang, Wei Tan, Jing Xiao

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 772-782 doi: 10.1007/s11705-019-1859-3

Abstract: dibenzothiophene (DBT) was used to evaluate the catalytic performance of the obtained titanosilicate pillared MFI zeolitesselectivity of dibenzothiophene sulfone (DBTS) were most affected by the textural properties of the zeolitesThis was attributed to the DBT and DBTS molecules being larger than micropores of the MFI zeolites.These results implied that a balance between the meso- and microporosity of zeolites and tetrahedrally

Keywords： MFI zeolite     catalysis     nanosheets     fabrication    

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The effect of hierarchical single-crystal ZSM-5 zeolites with different Si/Al ratios on its pore structure

Yuexin Hou, Xiaoyun Li, Minghui Sun, Chaofan Li, Syed ul Hasnain Bakhtiar, Kunhao Lei, Shen Yu, Zhao Wang, Zhiyi Hu, Lihua Chen, Bao-Lian Su

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 269-278 doi: 10.1007/s11705-020-1948-3

Abstract: Hierarchical single-crystal ZSM-5 zeolites with different Si/Al ratios (Hier-ZSM-5- , where = 50, 100excellent mechanical and hydrothermal stability, and higher catalytic activity than commercial bulk zeolitesResults show that a decrease in the Si/Al ratio in hierarchical single-crystal ZSM-5 zeolites leads todiffusion inside the zeolite to contact with the acid sites in the micropores predominating in ZSM-5 zeolitesThis study can be extended to develop a series of hierarchical single-crystal zeolites with expected

Keywords： hierarchical zeolites     single crystalline     interconnected pores     improved diffusion performance     benzyl alcohol    

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Title Author Date Type Operation

Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Journal Article

Optimizing iodine capture performance by metal–organic framework containing with bipyridine units

Journal Article

Crystalline porous materials: from zeolites to metal-organic frameworks (MOFs)

Zaiku Xie, Bao-Lian Su

Journal Article

Confinement effects in methanol to olefins catalysed by zeolites: A computational review

German Sastre

Journal Article

Construction of defect-containing UiO-66/MoSe heterojunctions with superior photocatalytic performance

Journal Article

Coextraction of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Journal Article

Multifunctional heteroatom zeolites: construction and applications

Journal Article

Hierarchically porous zeolites synthesized with carbon materials as templates

Journal Article

High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Journal Article

Mixed-Matrix Membranes Containing Porous Materials for Gas Separation: From Metal–Organic Frameworks

Ziqi Yang, Zhongjie Wu, Shing Bo Peh, Yunpan Ying, Hao Yang, Dan Zhao

Journal Article

Mesoporous zeolites for biofuel upgrading and glycerol conversion

Jian Zhang, Liang Wang, Yanyan Ji, Fang Chen, Feng-Shou Xiao

Journal Article

Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Journal Article

Mesoporous zeolites as efficient catalysts for oil refining and natural gas conversion

Jie ZHU, Xiangju MENG, Fengshou XIAO

Journal Article

Fabrication of titanosilicate pillared MFI zeolites with tailored catalytic activity

Baoyu Liu, Qiaowen Mu, Jiajin Huang, Wei Tan, Jing Xiao

Journal Article

The effect of hierarchical single-crystal ZSM-5 zeolites with different Si/Al ratios on its pore structure

Yuexin Hou, Xiaoyun Li, Minghui Sun, Chaofan Li, Syed ul Hasnain Bakhtiar, Kunhao Lei, Shen Yu, Zhao Wang, Zhiyi Hu, Lihua Chen, Bao-Lian Su

Journal Article