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Advance in FCC Process Reaction Chemistry

Xu Youhao and Wang Xieqing

Strategic Study of CAE 2007, Volume 9, Issue 8,   Pages 6-14

Abstract: style="text-align: justify;">Faced the stringent challenge of FCC process,  the multi-dimensional reactionstructure was proposed for FCC process reaction chemistry. The multi-dimension reaction structure mode was established on the basis of hydrocarbon reactionchemistry over acid catalyst,  but the former was different from the latter. FCC process with multi-dimensional reaction structure has more production modes.

Keywords： catalytic cracking     reaction chemistry     catalyst     two different reaction zones     multi--dimensional reaction    

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An overview and recent advances in electrocatalysts for direct seawater splitting

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1408-1426 doi: 10.1007/s11705-021-2102-6

Abstract: In comparison to pure water, seawater is widely accepted as an unlimited resource. The direct seawater splitting is economical and eco-friendly, but the key challenges in seawater, especially the chlorine-related competing reactions at the anode, seriously hamper its practical application. The development of earth-abundant electrocatalysts toward direct seawater splitting has emerged as a promising strategy. Highly efficient electrocatalysts with improved selectivity and stability are of significance in preventing the interference of side reactions and resisting various impurities. This review first discusses the macroscopic understanding of direct seawater electrolysis and then focuses on the strategies for rational design of electrocatalysts toward direct seawater splitting. The perspectives of improved electrocatalysts to solve emerging challenges and further development of direct seawater splitting are also provided.

Keywords： seawater splitting     electrocatalysts     oxygen evolution reaction     hydrogen evolution reaction     chlorinechemistry    

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Bioorthogonal chemistry based on-demand drug delivery system in cancer therapy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 483-489 doi: 10.1007/s11705-022-2227-2

Abstract: in biological environments without interfering with an innate biochemical process, the bioorthogonal reactionHerein, several prominent cases based on the bioorthogonal reaction that tailoring the metabolic glycoengineeringBased on these applications, the complexities, potential pitfalls, and opportunities of bioorthogonal chemistry

Keywords： bioorthogonal reaction     cancer therapy     metabolic glycoengineering     bioorthogonal catalytic patch    

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compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and quantum chemistry

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1229-1242 doi: 10.1007/s11705-020-2030-x

Abstract: Octanes in alkylation products obtained from industrial alkylation were studied by batch experiments. More than eight octane isomers were identified and quantified by gas chromatography-mass spectrometry. Based on a classic carbenium ion mechanism, the carbocation transition states in concentrated sulfuric acid catalyzed alkylation were investigated using quantum-chemical simulations and predicted the concentration and octane isomerization products including trimethylpentane and dimethylhexane as well as the formation of heavier compounds that resulted from the oligomerization of octane and butene. The agreement between model calculations and experimental data was quite satisfactory. Calculation results indicated that composition and content of trimethylpentanes in the alkylation products were 2,2,4-trimethylpentane>2,3,3-trimethylpentane>2,3,4-trimethylpentane>2,2,3-trimethylpentane whether the 2-butene or -butene acts as olefin. Heavier compounds in the alkylate were primarily formed by the oligomerization of dimethylhexane with 1-butene. Hopefully, the carbocation transition state models developed in this work will be useful for understanding the product distributions of octane in alkylation products.

Keywords： sulfuric acid catalyzed alkylation     carbocation reaction     transition state     octane compositions    

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Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1818-1825 doi: 10.1007/s11705-022-2182-y

Abstract: The deacylation of amides, which is widely employed in the pharmaceutical industry, is not a fast reactionTo intensify this reaction, a high-temperature and high-pressure continuous microreaction technologyUsing the deacylation of acetanilide as a model reaction, the effects of the temperature, pressure, reactionof other amides to understand the influence of substituents and steric hindrance on the deacylation reaction

Keywords： amide deacylation     microreactor     flow chemistry     reaction intensification    

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Preparation of manganese (III) acetylacetonate nanoparticles via an environmentally benign route

M. S. Shalaby, H. Abdallah

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 329-337 doi: 10.1007/s11705-013-1339-0

Abstract: health and environment, serious and great endeavor have been made in catalyst fabrication using green chemistrywere prepared by a simple and environmentally benign route based on hydrolysis of KMnO followed by reaction

Keywords： green chemistry     manganese (III) acetylacetonate     reaction conversion     Mathematical model    

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Frontiers of Catalysis Chemistry and Technology

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 1-2 doi: 10.1007/s11705-018-1704-0

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Role of water chemistry on estrone removal by nanofiltration with the presence of hydrophobic acids

Xue JIN,Jiangyong HU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 164-170 doi: 10.1007/s11783-014-0747-9

Abstract: In this study, the effects of solution chemistry (solution pH and ionic strength) on the estrone rejection

Keywords： indirect potable water reuse     steroid hormone     nanofiltration(NF)     rejection     water chemistry     hydrophobic    

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Hexavalent chromium in drinking water: Chemistry, challenges and future outlook on Sn(II)- and photocatalyst-based

Haizhou Liu, Xuejun Yu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1267-4

Abstract: . • Elucidate Redox and equilibrium chemistry of Cr(VI). • Sn(II)-based and TiO2-based reductive treatmentsthe sources and occurrence of Cr(VI) in drinking water in the United States, analyzed the equilibrium chemistryof Cr(VI) species, summarized important redox reaction relevant to the fate of Cr(VI) in drinking water

Keywords： Chromium     Chemistry     Treatment     Future outlook    

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Where physics meets chemistry: Thin film deposition from reactive plasmas

Andrew Michelmore, Jason D. Whittle, James W. Bradley, Robert D. Short

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 441-458 doi: 10.1007/s11705-016-1598-7

Abstract: In this review, we aim to show that plasma physics drives the chemistry of the plasma phase, and surface-plasma

Keywords： thin films     plasma physics     plasma chemistry     functionalization     polymer    

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Improvement of Secondary Water Chemistry in Qinshan Nuclear Power Plant

Tao Jun,Kong Deping

Strategic Study of CAE 2008, Volume 10, Issue 1,   Pages 91-96

Abstract: With the improvement of water chemistry management of secondary system in Qinshan nuclear power plantWith the implementation of these measurements, the WANO chemistry performance index improved from 1.66The improvement of secondary water chemistry ensures the integrity of SG tubes in QNPP.

Keywords： secondary system     water chemistry     WANO chemistry performance index    

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The First Attempt for Accounts of Environmental Chemistry and Technology Research

Jinyong Liu, Yin Wang, Haoran Wei

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1270-9

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Regulating surface chemistry of separator with LiF for advanced Li-S batteries

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 601-606 doi: 10.1007/s11708-021-0759-7

Abstract: practical application of Li-S batteries is prevented by uncontrollable shuttle effect and retarded reactionTo address the above issues, lithium fluoride (LiF) was employed to regulate the surface chemistry of

Keywords： Li-S batteries     LiF     functional separator    

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Continuous-Flow Synthesis of the Nucleobase Unit of Remdesivir Article

Yongxing Guo, Minjie Liu, Meifen Jiang, Yuan Tao, Dang Cheng, Fen-Er Chen

Engineering 2023, Volume 21, Issue 2,   Pages 92-100 doi: 10.1016/j.eng.2021.07.029

Abstract: By adapting batch synthetic chemistry, 7-bromopyrrolo[2,1-f][1,2,4]triazin-4-amine was successfully producedand unstable intermediates, oxidative liquid–liquid biphasic transformation, and a bromination reactionThe salient feature of this synthesis is that the workup procedures are fully integrated into the reaction

Keywords： Flow chemistry     Continuous multistep synthesis     Microreaction technology     Reaction–separation integration    

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Cadmium removal mechanistic comparison of three Fe-based nanomaterials: Water-chemistry and roles of

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1586-8

Abstract:

● nZVI, S-nZVI, and nFeS were systematically compared for Cd(II) removal.

Keywords： Nano zero valent iron     Sulfided zero valent iron     FeS     Cd(II) immobilization     Fe dissolution    

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Title Author Date Type Operation

Advance in FCC Process Reaction Chemistry

Xu Youhao and Wang Xieqing

Journal Article

An overview and recent advances in electrocatalysts for direct seawater splitting

Journal Article

Bioorthogonal chemistry based on-demand drug delivery system in cancer therapy

Journal Article

compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and quantum chemistry

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Journal Article

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Journal Article

Preparation of manganese (III) acetylacetonate nanoparticles via an environmentally benign route

M. S. Shalaby, H. Abdallah

Journal Article

Frontiers of Catalysis Chemistry and Technology

Journal Article

Role of water chemistry on estrone removal by nanofiltration with the presence of hydrophobic acids

Xue JIN,Jiangyong HU

Journal Article

Hexavalent chromium in drinking water: Chemistry, challenges and future outlook on Sn(II)- and photocatalyst-based

Haizhou Liu, Xuejun Yu

Journal Article

Where physics meets chemistry: Thin film deposition from reactive plasmas

Andrew Michelmore, Jason D. Whittle, James W. Bradley, Robert D. Short

Journal Article

Improvement of Secondary Water Chemistry in Qinshan Nuclear Power Plant

Tao Jun,Kong Deping

Journal Article

The First Attempt for Accounts of Environmental Chemistry and Technology Research

Jinyong Liu, Yin Wang, Haoran Wei

Journal Article

Regulating surface chemistry of separator with LiF for advanced Li-S batteries

Journal Article

Continuous-Flow Synthesis of the Nucleobase Unit of Remdesivir

Yongxing Guo, Minjie Liu, Meifen Jiang, Yuan Tao, Dang Cheng, Fen-Er Chen

Journal Article

Cadmium removal mechanistic comparison of three Fe-based nanomaterials: Water-chemistry and roles of

Journal Article