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Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1700-1712 doi: 10.1007/s11705-022-2207-6

Abstract: The chain length and hydrocarbon type significantly affect the production of light olefins during the catalyticHerein, for a better catalyst design and operation parameters optimization, the reaction pathways andequilibrium yields for the catalytic pyrolysis of C5–8 n/iso/cyclo-paraffinsThe results revealed that the thermodynamically favorable reaction pathways for n/iso-paraffinsThe results are thus useful as a direction for future catalyst improvements, facilitating superior reaction

Keywords： naphtha     catalytic pyrolysis     reaction pathway     equilibrium yield    

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Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Frontiers in Energy doi: 10.1007/s11708-023-0908-2

Abstract: Herein, the basic mechanism of the nitrogen reduction reaction (NRR) to ammonia and nitrate reductionreaction ( Keywords： electrochemical ammonia synthesis     nitrogen     nitrate     nitrogen reduction reaction (NRR) to ammonia     nitratereduction reaction (NO–3 RR)    

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Dual-reaction-center catalytic process continues Fenton’s story

Chao Lu, Kanglan Deng, Chun Hu, Lai Lyu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1261-x

Abstract: Abstract • Dual-reaction-center (DRC) system breaks through bottleneck of Fenton reaction. • Utilizationof intrinsic electrons of pollutants is realized in DRC system. • DRC catalytic process well continuesSo even after a century of development, this reaction still suffers from its inherent bottlenecks inIn recent years, our group has been focusing on studying a novel heterogeneous Fenton catalytic process, and we developed the dual-reaction-center (DRC) system for the first time.

Keywords： Dual reaction centers     Fenton     Pollutant utilization     Electron transfer    

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Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 186-193 doi: 10.1007/s11783-009-0016-5

Abstract: The reaction mechanisms of selective catalytic reduction (SCR) of nitric oxide (NO) by methane (CH )over solid superacid-based catalysts were proposed and testified by DRIFTS studies on transient reactionof solid superacid played an important role in determining the reaction mechanisms and the catalyticnsted acid sites would not necessarily lead to better catalytic performance, however, since the activeThe reaction involving NO moiety was likely to be determined by the step of reduction of NO.

Keywords： selective catalytic reduction (SCR)     nitric oxide (NO)     methane     support acidity     Br?    

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Probing the catalytic activity of M-N

Fan Ge, Qingan Qiao, Xin Chen, You Wu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1206-1216 doi: 10.1007/s11705-020-2017-7

Abstract: In this work, the detailed oxygen reduction reaction (ORR) catalytic performance of M-N O (M= Fe, Co

Keywords： M-N-C catalyst     oxygen doping     oxygen reduction reaction     catalytic activity     density functional theory    

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Hydrogen production by catalytic gasification of cellulose in supercritical water

GUAN Yu, PEI Aixia, GUO Liejin

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 176-180 doi: 10.1007/s11705-008-0026-z

Abstract: The reaction time was 20 min.Experimental results showed that the two catalysts had good catalytic effect and optimum amounts were

Keywords： reaction     temperature     combination     catalytic effect     dominant product    

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Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 410-414 doi: 10.1007/s11705-012-1213-5

Abstract: The syntheses of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseousThe catalytic performance was characterized by CO conversion, space-time yield (STY) and selectivityresults showed that over Pd-Fe/Al O catalyst, the STY of DMO was higher than that of DEO under the same reactionThe optimum reaction temperatures for synthesizing DMO and DEO were 403 K and 393 K, respectively, at

Keywords： palladium     CO coupling     dialkyl oxalate     alkyl nitrite     decomposition    

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Isolation of microbe for asymmetric reduction of prochiral aromatic ketone and its reaction characters

YANG Zhonghua, WANG Yu, WANG Guanghui, ZENG Rong, YAO Shanjing

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 416-420 doi: 10.1007/s11705-007-0076-7

Abstract: -phenethyl alcohol (PEA) was chosen as the model reaction.Two microbe strains with excellent catalytic activity were obtained.

Keywords： excellent catalytic     prochiral aromatic     enantiomeric     -phenethyl     catalytic activity    

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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 reaction FCC process with multi-dimensional reaction structure has more production modes. The multi-dimensional reaction structure was used to successfully develop MIP process aiming at

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

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Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1649-1676 doi: 10.1007/s11705-023-2324-x

Abstract: Catalytic combustion is the most popular technology used for the removal of VOCs as it can be adaptedNext, the characteristics and catalytic performance of perovskite oxides as catalysts for VOC removalThe challenges and the prospects regarding the design of perovskite oxides catalysts for the catalytic

Keywords： perovskite oxides     volatile organic compounds     catalytic combustion     reaction mechanism    

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production from co-gasification of coal and biomass in supercritical water by continuous flow thermal-catalyticreaction system

YAN Qiuhui, GUO Liejin, LIANG Xing, ZHANG Ximin

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 327-330 doi: 10.1007/s11708-007-0048-0

Abstract: Hydrogen is a clean energy carrier. Converting abundant coal sources and green biomass energy into hydrogen effectively and without any pollution promotes environmental protection. The co-gasification performance of coal and a model compound of biomass, carboxymethylcellulose (CMC) in supercritical water (SCW), were investigated experimentally. The influences of temperature, pressure and concentration on hydrogen production from co-gasification of coal and CMC in SCW under the given conditions (20–25 MPa, 650vH, 15–30 s) are discussed in detail. The experimental results show that H, CO and CH are the main gas products, and the molar fraction of hydrogen reaches in excess of 60%. The higher pressure and higher CMC content facilitate hydrogen production; production is decreased remarkably given a longer residence time.

Keywords： carboxymethylcellulose     temperature     co-gasification performance     Hydrogen     residence    

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Experimental research on catalysts and their catalytic mechanism for hydrogen production by gasification

PEI Aixia, GUO Liejin, JIN Hui

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 451-456 doi: 10.1007/s11708-007-0066-2

Abstract: The experimental results show that different catalysts have greatly different effects on the reactionof hydrogen production ( ) and potential yield of hydrogen production () are applied to describe the catalyticIn addition, the catalytic mechanisms of different catalysts were analyzed, and the possible reaction

Keywords： presence     Raney-Ni     biomass     optimization mixture     possible reaction    

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Significant enhancement in catalytic ozonationefficacy: From granular to super-fine powdered activated

Tianyi Chen, Wancong Gu, Gen Li, Qiuying Wang, Peng Liang, Xiaoyuan Zhang, Xia Huang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1022-2

Abstract: The catalytic performances of activatedcarbons (ACs) of 8 sizes were compared and the rate constant formilling, includinga larger ratio of external surface area, less diffusion resistance,significant surface reactionand potential oxidized surface all contributedto enhancing catalytic ozonation performance.

Keywords： Super-fine activated carbon     Catalytic ozonation     External surface area     Surface reaction     Hydroxyl radical    

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Catalytic activity of noble metal nanoparticles toward hydrodechlorination: influence of catalyst electronic

Man ZHANG,Feng HE,Dongye ZHAO

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 888-896 doi: 10.1007/s11783-015-0774-1

Abstract: These metal nanoparticles were then tested for catalytic hydrodechlorination toward two classes of organochlorinatedand 1,1,1,2-tetrachloroethane (1,1,1,2-TeCA)) to determine the rate-limiting steps and to explore the reactionThe surface area normalized reaction rate constant, , showed a systematic dependence on the electronicadsorption of organochlorinated reactants on the metal catalyst surfaces is the rate-limiting step for catalyticmetals rather than with the first C-Cl bond strength, suggesting that molecular adsorption governs the reaction

Keywords： catalytic hydrodechlorination     electronic structure     metal nanoparticles     reaction mechanisms    

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An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 362-371 doi: 10.1007/s11705-011-1106-z

Abstract: Also the effects of the tail gas ratio and the catalytic bed type on the sulfur recovery were studiedThe optimal catalytic bed temperature, tail gas ratio and type of catalytic bed were also determined

Keywords： Claus unit     concentration of H2S     tail gas ratio     sulfur recovery     catalytic bed    

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Title Author Date Type Operation

Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Journal Article

Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Journal Article

Dual-reaction-center catalytic process continues Fenton’s story

Chao Lu, Kanglan Deng, Chun Hu, Lai Lyu

Journal Article

Effects of support acidity on the reaction mechanisms of selective catalytic reduction of NO by CH

Shicheng XU, Junhua LI, Dong YANG, Jiming HAO

Journal Article

Probing the catalytic activity of M-N

Fan Ge, Qingan Qiao, Xin Chen, You Wu

Journal Article

Hydrogen production by catalytic gasification of cellulose in supercritical water

GUAN Yu, PEI Aixia, GUO Liejin

Journal Article

Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Journal Article

Isolation of microbe for asymmetric reduction of prochiral aromatic ketone and its reaction characters

YANG Zhonghua, WANG Yu, WANG Guanghui, ZENG Rong, YAO Shanjing

Journal Article

Advance in FCC Process Reaction Chemistry

Xu Youhao and Wang Xieqing

Journal Article

Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Journal Article

production from co-gasification of coal and biomass in supercritical water by continuous flow thermal-catalyticreaction system

YAN Qiuhui, GUO Liejin, LIANG Xing, ZHANG Ximin

Journal Article

Experimental research on catalysts and their catalytic mechanism for hydrogen production by gasification

PEI Aixia, GUO Liejin, JIN Hui

Journal Article

Significant enhancement in catalytic ozonationefficacy: From granular to super-fine powdered activated

Tianyi Chen, Wancong Gu, Gen Li, Qiuying Wang, Peng Liang, Xiaoyuan Zhang, Xia Huang

Journal Article

Catalytic activity of noble metal nanoparticles toward hydrodechlorination: influence of catalyst electronic

Man ZHANG,Feng HE,Dongye ZHAO

Journal Article

An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Journal Article