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Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermalconversion

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1038-1050 doi: 10.1007/s11705-022-2279-3

Abstract: graphene oxide, which were separately composited into the polyelectrolytes complex capsules to enhance thermalconductivity and light-to-thermal conversion efficiency.Moreover, studies involving light-to-thermal conversion determined that composite phase change materialsexhibited outstanding light-to-thermal conversion performance.management and renewable thermal energy storage.

Keywords： cellulose     polyelectrolytes     phase change materials     thermal energy storage     light-to-thermal conversion    

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Effect of Fe content on FeMn catalysts for light alkenes synthesis

ZHOU Jun, CHU Wei, ZHANG Hui, XU Huiyuan, ZHANG Tao

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 315-318 doi: 10.1007/s11705-008-0050-z

Abstract: The effect of Fe content on FeMn/MgO catalysts for light alkenes synthesis through CO hydrogenation wasHigh activity was obtained over the catalyst with 9 wt-% Fe content, over which CO conversion and theWith the increase of Fe content, both the conversion and the selectivity were improved within a certain

Keywords： conventional co-impregnation     increase     conversion     loading     H-TPR    

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Facile synthesis and enhanced visible-light photocatalytic activity of Ti

Xiaojie Zhang,Lei Wang,Shuqing Chen,Yi Huang,Zhuonan Song,Miao Yu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 349-358 doi: 10.1007/s11705-015-1523-5

Abstract: directing agent, and inhibitor; the activity was evaluated using a probe reaction-photocatalytic CO conversionto methane under visible light irradiation with H as an electron donor and hydrogen source.

Keywords： Ti3+-doped TiO2     photocatalytic CO2 conversion     visible light irradiation    

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From plasma to plasmonics: toward sustainable and clean water production through membranes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1809-1836 doi: 10.1007/s11705-023-2339-3

Abstract: The increasing demand for potable water is never-ending. Freshwater resources are scarce and stress is accumulating on other alternatives. Therefore, new technologies and novel optimization methods are developed for the existing processes. Membrane-based processes are among the most efficient methods for water treatment. Yet, membranes suffer from severe operational problems, namely fouling and temperature polarization. These effects can harm the membrane’s permeability, permeate recovery, and lifetime. To mitigate such effects, membranes can be treated through two techniques: plasma treatment (a surface modification technique), and treatment through the use of plasmonic materials (surface and bulk modification). This article showcases plasma- and plasmonic-based treatments in the context of water desalination/purification. It aims to offer a comprehensive review of the current developments in membrane-based water treatment technologies along with suggested directions to enhance its overall efficiency through careful selection of material and system design. Moreover, basic guidelines and strategies are outlined on the different membrane modification techniques to evaluate its prerequisites. Besides, we discuss the challenges and future developments about these membrane modification methods.

Keywords： water treatment     membrane-based process     plasma treatment     plasma polymerization     plasmonic     light-to-heatconversion    

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Recent progress in MoS

Soheil RASHIDI, Akshay CARINGULA, Andy NGUYEN, Ijeoma OBI, Chioma OBI, Wei WEI

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 251-268 doi: 10.1007/s11708-019-0625-z

Abstract: studied two-dimensional (2D) materials for enhanced performance of devices and systems in solar energy conversionlatest advances in the use of MoS nanosheets for important solar energy applications, including solar thermal

Keywords： 2D nanomaterial     molybdenum disulfide     solar energy conversion     solar thermal conversion     photocatalytst    

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Benzene conversion by manganese dioxide assisted silent discharge plasma

LU Bin, JI Min, YU Xin, FENG Tao, YAO Shuiliang

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 477-481 doi: 10.1007/s11783-007-0076-3

Abstract: Non-thermal plasma technologies have shown their promising potential specially for the low concentration

Keywords： consuming     Non-thermal     promising     volatile     compound    

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Effect of temperature in the conversion of methanol to olefins (MTO) using an extruded SAPO-34 catalyst

Ignacio Jorge Castellanos-Beltran, Gnouyaro Palla Assima, Jean-Michel Lavoie

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 226-238 doi: 10.1007/s11705-018-1709-8

Abstract: At 300 °C, a low conversion was observed combined with catalyst deactivation, which was ascribed to oligomerization

Keywords： MTO     SAPO-34     temperature     extrusion     coke     light alkanes    

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Plasma-catalysis: Is it just a question of scale?

J. Christopher Whitehead

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 264-273 doi: 10.1007/s11705-019-1794-3

Abstract: The focus is on non-thermal plasma where the lack of thermal equilibrium creates a range of temperature

Keywords： plasma catalysis     plasma-activated catalysis     non-thermal plasma     CO2 conversion    

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Thermal decomposition of poly(ethylene terephthalate)/mesoporous molecular sieve composites

RUN Mingtao, ZHANG Dayu, WU Sizhu, WU Gang

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 50-54 doi: 10.1007/s11705-007-0010-z

Abstract: calculate the apparent activation energy (), which is an average value of about 260 kJ/mol with the weight conversionIsothermal degradation results are confirmed with the nonisothermal process, in which PET/MMS showed higher thermal

Keywords： polymerization     isothermal degradation     conversion     nonisothermal degradation     activation    

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Photocatalytic syngas synthesis from CO

Ling Tan, Kipkorir Peter, Jing Ren, Baoyang Du, Xiaojie Hao, Yufei Zhao, Yu-Fei Song

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 99-108 doi: 10.1007/s11705-020-1947-4

Abstract: The rational design of photocatalyst that can effectively reduce CO under visible light ( >400 nm),efficiency of LDH-based photocatalysts in the synthesis of syngas with a tunable ratio under visible light

Keywords： visible light catalysis     CO2 conversion     layered double hydroxide     rare earth elements    

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Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 577-595 doi: 10.1007/s11708-021-0756-x

Abstract: Moreover, current applications of hydrogel photocatalysts in energy conversion and environmental remediation

Keywords： hydrogel     photocatalysts     energy conversion     environmental treatment    

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Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-019-1217-1

Abstract: AOB and AnAOB are mainly responsible for ammonium conversion.Heterotrophic sulfate reduction mainly contributed to sulfate conversion.Results obtained differed largely for the conversion mole ratios (ammonium/sulfate), and even the intermediateThus, the hypothesis of biological conversion pathways of ammonium and sulfate in anammox consortia isdifferent biomass proportions to verify the SRAO phenomena and identify possible pathways behind substrate conversion

Keywords： Anammox bacteria     Autotrophic     Biological conversion     Sulfate reducing ammonium oxidation (SRAO)    

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Photocatalysis: from solar light to hydrogen energy

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 565-567 doi: 10.1007/s11708-021-0784-6

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Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1096-1108 doi: 10.1007/s11705-023-2317-9

Abstract: the effects of different reaction conditions on the chemical structures, crystalline structures, and thermal

Keywords： regenerated cellulose     cellulose oleate     sonochemistry     degree of substitution     thermoplasticity    

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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: Frequency regulation in a generation mix having large wind power penetration is a critical issue, as wind units isolate from the grid during disturbances with advanced power electronics controllers and reduce equivalent system inertia. Thus, it is important that wind turbines also contribute to system frequency control. This paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbine in system frequency regulation. The modified inertial support scheme is proposed which helps the DFIG to provide the short term transient active power support to the grid during transients and arrests the fall in frequency. The frequency deviation is considered by the controller to provide the inertial control. An additional reference power output is used which helps the DFIG to release kinetic energy stored in rotating masses of the turbine. The optimal speed control parameters have been used for the DFIG to increases its participation in frequency control. The simulations carried out in a two-area interconnected power system demonstrate the contribution of the DFIG in load frequency control.

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversion    

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Title Author Date Type Operation

Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermalconversion

Journal Article

Effect of Fe content on FeMn catalysts for light alkenes synthesis

ZHOU Jun, CHU Wei, ZHANG Hui, XU Huiyuan, ZHANG Tao

Journal Article

Facile synthesis and enhanced visible-light photocatalytic activity of Ti

Xiaojie Zhang,Lei Wang,Shuqing Chen,Yi Huang,Zhuonan Song,Miao Yu

Journal Article

From plasma to plasmonics: toward sustainable and clean water production through membranes

Journal Article

Recent progress in MoS

Soheil RASHIDI, Akshay CARINGULA, Andy NGUYEN, Ijeoma OBI, Chioma OBI, Wei WEI

Journal Article

Benzene conversion by manganese dioxide assisted silent discharge plasma

LU Bin, JI Min, YU Xin, FENG Tao, YAO Shuiliang

Journal Article

Effect of temperature in the conversion of methanol to olefins (MTO) using an extruded SAPO-34 catalyst

Ignacio Jorge Castellanos-Beltran, Gnouyaro Palla Assima, Jean-Michel Lavoie

Journal Article

Plasma-catalysis: Is it just a question of scale?

J. Christopher Whitehead

Journal Article

Thermal decomposition of poly(ethylene terephthalate)/mesoporous molecular sieve composites

RUN Mingtao, ZHANG Dayu, WU Sizhu, WU Gang

Journal Article

Photocatalytic syngas synthesis from CO

Ling Tan, Kipkorir Peter, Jing Ren, Baoyang Du, Xiaojie Hao, Yufei Zhao, Yu-Fei Song

Journal Article

Hydrogel photocatalysts for efficient energy conversion and environmental treatment

Journal Article

Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Journal Article

Photocatalysis: from solar light to hydrogen energy

Journal Article

Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Journal Article

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article