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Enhanced activity of bimetallic Fe-Cu catalysts supported on ceria toward water gas shift reaction: synergistic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1962-1972 doi: 10.1007/s11705-023-2359-z

Abstract: Within the “hydrogen chain”, the high-temperature water gas shift reaction represents a key step to improveDespite the commercial application of the high-temperature water gas shift, novel catalysts characterized

Keywords： water gas shift     iron     copper     bimetallic catalysts     ceria     hydrogen    

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Catalytic performance of Co-Mo-Ce-K/γ-Al

Yuqiong ZHAO, Yongfa ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 457-460 doi: 10.1007/s11705-010-0524-7

Abstract: The catalytic performance of Co-Mo-Ce-K/γ-Al O catalyst for the shift reaction of CO in coke oven gas

Keywords： coke oven gas     water gas shift reaction     sulfur-tolerant catalyst     cerium dioxide    

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Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 909-920 doi: 10.1007/s11705-021-2100-8

Abstract: An energy minimum multiscale model was adjusted to simulate the mesoscale structure of the flue gas desulfurizationIn addition, more thorough gas radial mixing was achieved using the adjusted mesoscale drag model.The mass fraction of water in the gas mixture at the outlet determined by the heterogeneous drag modelwas 1.5 times higher than that obtained by the homogeneous drag model during the simulation of waterFor the desulfurization reaction, the experimental desulfurization efficiency was 75.03%, while the desulfurization

Keywords： adjusted mesoscale drag model     particle image velocimetry     water vaporization     desulfurization reaction    

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Seasonal microbial community shift in a saline sewage treatment plant

Qingmei YAN, Xuxiang ZHANG, Tong ZHANG, Herbert H P FANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 40-47 doi: 10.1007/s11783-011-0304-8

Abstract: treatment plant of Hong Kong (China) during June 2007 to May 2008 to analyze the microbial community shiftalong with environmental variations using denaturing gradient gel electrophoresis of polymerase chain reactionEnvironmental changes resulted into a seasonal microbial community shift characterized by alterationswith sludge retention time, influent total phosphorus had an inverse effect on the community structure shiftof this study may contribute to the development of new knowledge involving the microbial community shift

Keywords： sewage treatment plants     polymerase chain reaction (PCR)     denaturing gradient gel electrophoresis (DGGE    

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Potential shift of bacterial community structure and corrosion-related bacteria in drinking water distributionpipeline driven by water source switching

Yue Hu, Ding Dong, Kun Wan, Chao Chen, Xin Yu, Huirong Lin

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1320-3

Abstract: As a result of pollution in the present water sources, cities have been forced to utilize cleaner waterThere are few reports regarding the potential shift of bacterial community structure driven by waterThree types of finished water were used for simulation, the polluted source water from the Qiantang andDongtiaoxi Rivers (China) was replaced by cleaner water from Qiandao Lake (China).It was observed that the level of culturable bacteria declined by 2–3 orders of magnitude after water

Keywords： Drinking water biosafety     Water source switching     Drinking water distribution system     Transition effects    

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Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 266-270 doi: 10.1007/s11705-007-0048-y

Abstract: A kinetic model of the pozzolanic reaction for the preparation of flue gas desulfurizers from fly ashand Ca(OH) was deduced on the basis of solid phase reaction kinetic theory.The apparent reaction rate constants of the pozzolanic reaction could be raised by increasing the specific

Keywords： comparison     calculated     pozzolanic reaction     precision     preparation    

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NO conversion by positive streamer discharge—effects of gas compositions and reaction conditions

HE Wei, ZHU Tianle, LI Jing

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 153-158 doi: 10.1007/s11783-007-0027-z

Abstract: The effects of gas compositions and reaction conditions on NO conversion by positive streamer discharge

Keywords： conversion     streamer discharge     wheel-cylinder     positive streamer    

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route to achieve MoSe-NiSe on nickel foam as efficient dual functional electrocatalysts for overall water

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 483-491 doi: 10.1007/s11708-022-0813-0

Abstract: hydrogen evolution reactions (HER), the oxygen evolution reactions (OER), and electrocatalytic total watersub>3Se2/NF within 80000 s and the decomposition voltage of electrocatalytic total water

Keywords： three-dimensional molybdenum nanomaterials     hydrogen evolution reaction     oxygen evolution reaction     overallwater splitting    

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Kinetic study of hydrodesulfurization of coker gas oil in a slurry reactor

Haiding XIANG, Tiefeng WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 139-144 doi: 10.1007/s11705-013-1323-8

Abstract: Coker gas oil (CGO) is a poor-quality feedstock for fluidized bed catalytic cracking (FCC) or hydrocrackingAll the experiments were carried out in an autoclave using a NiMo/Al O catalyst at reaction temperatureA macro reaction kinetic model was established for the HDS of CGO in the slurry reactor.

Keywords： coker gas oil     hydrodesulfurization     slurry reactor     reaction kinetic model    

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: This investigation was carried out to establish a new domestic landfill gas (LFG) generation rate modelThe first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsof the nutrient balance for biochemical reaction in two main stages.The main parameters of the modified FKTSR model, including the LFG production potential (), the reactionrate constant in the first stage (), and the reaction rate constant in the second stage () of 64.746&

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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The impact of different voltage application modes on biodegradation of chloramphenicol and shift of microbial

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1576-x

Abstract:

● Presented coupled system enhanced biodegradation of antibiotic chloramphenicol.

Keywords： Electrical stimulation     Biodegradation     Microbial community     Chloramphenicol    

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Layered double hydroxide-based core-shell nanoarrays for efficient electrochemical water splitting

Wenfu Xie, Zhenhua Li, Mingfei Shao, Min Wei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 537-554 doi: 10.1007/s11705-018-1719-6

Abstract:

Electrochemical water splitting is an efficient and clean strategy to produce sustainable energy productions(especially hydrogen) from earth-abundant water.hydroxide (LDH)-based materials have gained increasing attentions as promising electrocatalysts for waterhierarchical LDH-based core-shell nanoarrays as high performance electrocatalysts for electrochemical water

Keywords： layered double hydroxides (LDHs)     core-shell nanoarrays     oxygen evolution reaction (OER)     hydrogen evolutionreaction (HER)     photoelectrochemical water splitting (PEC)    

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Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 349-355 doi: 10.15302/J-FEM-2016056

Abstract: The oil and gas exploration in offshore China has made great achievements, and as the important areasof offshore exploration, the shallow waters contribute most of the oil and gas reserves and productionTherefore, for effective exploration of shallow-water oil and gas in offshore China, it is necessaryhydrocarbon-rich sags, and form geological theories and explorative technologies of large and medium size oil and gas

Keywords： offshore China     shallow-water oil and gas exploration     strategic thinking     challenge     countermeasure    

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Deep-Water Oil and Gas Exploration in Northern South China Sea: Progress and Outlook

Mi Lijun , Zhou Shouwei , Xie Yuhong , Zhang Gongcheng , Yang Haizhang

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 58-65 doi: 10.15302/J-SSCAE-2022.03.007

Abstract:

Strengthening exploration and development of oil and gas is crucial formitigating China’s reliance on oil and gas supply from foreign countries and ensuring nationalIt also discusses the new challenges and coping strategies for oil and gas exploration in deep-waterOur research shows that the detachment of the continental margin in the deep-water area of northern Southarea of the Qiongdongnan Basin, late natural gas accumulation mode of deep-water fan in the deep-water

Keywords： northern South China Sea     deep water     oil and gas exploration     northern South China Sea     deep water     oil and gas exploration     deep water natural gas    

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Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 887-900 doi: 10.1007/s11465-021-0653-3

Abstract: economic performance of electric vehicles (EVs), but the coordinated control of the drive motor and gear shiftTo improve the swiftness of gear shifting, this paper proposes a coordinated shift control method basedResults show that gear shifting duration and maximum jerk are reduced under the shift control with theproposed method, which proves the effectiveness of the proposed coordinated shift control method with

Keywords： electric vehicle     nonsynchronizer automated mechanical transmission (NSAMT)     planetary gear     coordinated shift    

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Title Author Date Type Operation

Enhanced activity of bimetallic Fe-Cu catalysts supported on ceria toward water gas shift reaction: synergistic

Journal Article

Catalytic performance of Co-Mo-Ce-K/γ-Al

Yuqiong ZHAO, Yongfa ZHANG

Journal Article

Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Journal Article

Seasonal microbial community shift in a saline sewage treatment plant

Qingmei YAN, Xuxiang ZHANG, Tong ZHANG, Herbert H P FANG

Journal Article

Potential shift of bacterial community structure and corrosion-related bacteria in drinking water distributionpipeline driven by water source switching

Yue Hu, Ding Dong, Kun Wan, Chao Chen, Xin Yu, Huirong Lin

Journal Article

Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Journal Article

NO conversion by positive streamer discharge—effects of gas compositions and reaction conditions

HE Wei, ZHU Tianle, LI Jing

Journal Article

route to achieve MoSe-NiSe on nickel foam as efficient dual functional electrocatalysts for overall water

Journal Article

Kinetic study of hydrodesulfurization of coker gas oil in a slurry reactor

Haiding XIANG, Tiefeng WANG

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

The impact of different voltage application modes on biodegradation of chloramphenicol and shift of microbial

Journal Article

Layered double hydroxide-based core-shell nanoarrays for efficient electrochemical water splitting

Wenfu Xie, Zhenhua Li, Mingfei Shao, Min Wei

Journal Article

Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Journal Article

Deep-Water Oil and Gas Exploration in Northern South China Sea: Progress and Outlook

Mi Lijun , Zhou Shouwei , Xie Yuhong , Zhang Gongcheng , Yang Haizhang

Journal Article

Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Journal Article