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Effects of baffles on separation of aqueous ethanol solution with hollow fibers

Zhihong YANG, Guoliang ZHANG, Lan LIN, Danping REN, Qin MENG, Hongzi ZHANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 68-72 doi: 10.1007/s11705-009-0130-8

Abstract: coated with a 7 μm polydimethyl-siloxane, were operated as structural packing in the separation of ethanol-water

Keywords： hollow fiber     membrane contactor     baffle     mass-transfer     ethanol-water    

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Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 347-357 doi: 10.1007/s11705-022-2246-z

Abstract: However, to date, the reverse-separation performance of ethanol/water is poor and the separation mechanismUsing molecular dynamics simulations, for the first time, we reveal two-way selectivity in ethanol/waterPristine graphene (PG) exhibits reverse-selective behavior with higher ethanol fluxes than water, resultingfrom the preferential adsorption for ethanol.Color flow mappings show that this ethanol-permselective process is initiated by the presence of ethanol-enriched

Keywords： reverse separation     graphene membrane     ethanol/water separation     molecular simulation    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: In this study, the effect of ethanol addition into pure water and its concentration on bubble diameterAir and water with ethanol (concentration ranging from 0%–1%, v/v) were as dispersed and continuous phasesFurthermore, the bubbles diameter in pure water was nearly 4 times higher than that of ethanol with concentrationThe transition flow regime occurred after this datum although in pure water, a homogenous flow regimeThe gas hold-up in dilute ethanol solutions were more than (around 2 times) that of pure water and increased

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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Theoretical study on Janus graphene oxide membrane for water transport

Quan Liu, Mingqiang Chen, Yangyang Mao, Gongping Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 913-921 doi: 10.1007/s11705-020-1954-5

Abstract: Graphene oxide (GO) membranes have received considerable attention owing to their outstanding water-permeationIn this study, we performed molecular simulations to explore the permeation of a water–ethanol mixtureConsequently, using the optimized Janus GO membrane, infinite water selectivity and outstanding waterThis study contributes to explaining the role of oxidized regions in water permeation via GO membranesand suggests that Janus GO membranes could be used as potential candidates for water–ethanol separation

Keywords： graphene oxide membrane     molecular dynamics simulation     water permeation     water-ethanol separation     oxidized    

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Direct ethanol production from rice straw by coculture with two high-performing fungi

Maki TAKANO, Kazuhiro HOSHINO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 139-145 doi: 10.1007/s11705-012-1281-6

Abstract: To develop efficient and economical direct ethanol production from fine rice straw crashed mechanicallyThe screening of high-performing fungi resulted in the selection of NBRC 4572 as an ethanol-producingThe strain 4572 produced ethanol aerobically from glucose and xylose in high yields of 0.420 g/g at 36On the other hand, the strain 5398 also produced ethanol from glucose in yield of 0.340 g/g though itIn SSF of rice straw by coculture with two fungi selected, the ethanol production reached 1.28 g/L after

Keywords： Mucor circinelloides     ethanol production     cellulase secretion     SSF     coculture     rice straw    

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Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 847-856 doi: 10.1007/s11705-019-1848-6

Abstract: Coal-based ethanol production by hydration of ethylene is limited by the low equilibrium ethylene conversionTo improve ethylene conversion, coupling hydration of ethylene with a potential ethanol consumption reactionof ethanol to acetaldehyde ( ), (3) esterification of acetic acid with ethanol ( ), (4) dehydrogenationof ethanol to ethyl acetate ( ), and (5) oxidative dehydrogenation of ethanol to ethyl acetate ( ).The esterification of acetic acid with ethanol can greatly enhance the ethylene conversion to 22.5%;

Keywords： ethylene     ethanol     thermodynamics     coupling    

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Thinking Concerning the Utilization of Anhydrous Ethanol From Biomass as Fuel

Ni Weidou,Li Zheng,Jin Hui

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 44-49

Abstract: Recently, there are quite a lot of discussions and proposals concerning the utilization of gasoline-ethanolThe conclusion remarks are: utilization of corn-produced ethanol as fuel for cars could be one the measuresBesides, according to the experience in USA, utilization of gasoline - ethanol mixture needs strong governmentA preliminary assessment related to production of ethanol by enzymatic hydrolysis of cellulose materials

Keywords： gasoline-ethanol mixture     ethanol     corn-ethanol     enzymatic hydrolysis     energy security    

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Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 443-458 doi: 10.1007/s11708-010-0127-5

Abstract: Direct ethanol fuel cells (DEFCs) are a promising carbon-neutral and sustainable power source for portable

Keywords： fuel cell     direct ethanol fuel cells     anion-exchange membrane     ethanol oxidation reaction     oxygen reduction    

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Study of simultaneous saccharification and fermentation for steam exploded wheat straw to ethanol

LUO Peng, YANG Chuanmin, LIU Zhong, WANG Gaosheng

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 447-451 doi: 10.1007/s11705-008-0069-1

Abstract: impregnated and steam explosion pretreated wheat straw was used as a substrate for the production of ethanolThe ranking, from high to low, of influential extent of the SSF affecting factors to ethanol concentrationUnder these conditions, the ethanol concentration increased with reaction time, and after 72 h, ethanol

Keywords： optimal SSF     substrate concentration     optimum condition     enzyme loading     ethanol concentration    

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Effects of the SAPO-11 synthetic process on dehydration of ethanol to ethylene

Lina WU, Xiaoxing SHI, Qun CUI, Haiyan WANG, He HUANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 60-66 doi: 10.1007/s11705-010-0540-7

Abstract: The effects of the synthetic condition of SAPO-11 molecular sieves on ethanol dehydration to ethyleneProduct-compositions, ethanol conversion, and selectivity to ethylene of synthesized and commercial SAPOAlso, ethanol conversion and selectivity to ethylene reached 99% at 280°C on synthesized SAPO-11, lower

Keywords： SAPO-11 molecular sieves     synthesis     ethanol     ethylene     dehydration    

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Detoxification and concentration of corn stover hydrolysate and its fermentation for ethanol production

Qing Li, Yingjie Qin, Yunfei Liu, Jianjun Liu, Qing Liu, Pingli Li, Liqiang Liu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 140-151 doi: 10.1007/s11705-018-1714-y

Abstract: treated corn stover hydrolysate, containing 100 g/L glucose, was used as a carbon source, 43.06 g/L of ethanolretardation and a continuous-effect membrane distillation process are effective for the production of fuel ethanol

Keywords： corn stover     hydrolysate     acid retardation     continuous-effect membrane distillation     ethanol fermentation    

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Fuel Ethanol: Recommendations and Suggestions

Zhang Kechang

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 89-93

Abstract: are three main viewpoints in this article： First, the author elucidated the major benefits of using ethanolSecond, this article provided a detailed analysis of technical requirements for implementing the ethanolthe end, the author laid out a blueprint for the research and development projects in the field of ethanol

Keywords： fuel ethanol     fermentation     green house effect     energy    

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Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 472-475 doi: 10.1007/s11705-010-0525-6

Abstract: CuZnAl slurry catalyst prepared by the new method can efficiently catalyze conversion of syngas to ethanolin a slurry reactor, while CO conversion reaches 35.9% and ethanol selectivity is more than 20%, with

Keywords： methanol     slurry     ethanol     complete liquid-phase technology     CuZnAl catalyst    

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Ethanol production from sweet sorghum residual

BAN Jingyang, YU Jianliang, ZHANG Xu, TAN Tianwei

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 452-455 doi: 10.1007/s11705-008-0072-6

Abstract: In this work, the ethanol production from sweet sorghum residue was studied.The liquid hydrolysate was then fermented by with the highest ethanol concentration of 14.5 g/L.At a water-insoluble solid concentration of 5%, 5.4 g/L ethanol was obtained after 12 h of SSF.The total ethanol yield was 0.147 g/g dry material, which would be beneficial for the application ofethanol production from sweet sorghum residue.

Keywords： application     material     optimal reaction     reaction condition     temperature    

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Enhanced CuCl dispersion by regulating acidity of MCM-41 for catalytic oxycarbonylation of ethanol to

Pengzhen CHEN, Shouying HUANG, Jijie ZHANG, Shengping WANG, Xinbin MA

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 224-231 doi: 10.1007/s11705-014-1447-5

Abstract: supported on molecular sieves has attracted increasing attention in catalyzing oxidative carbonylation of ethanol

Keywords： MCM-41     acidity     oxidative carbonylation     diethyl carbonate    

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Title Author Date Type Operation

Effects of baffles on separation of aqueous ethanol solution with hollow fibers

Zhihong YANG, Guoliang ZHANG, Lan LIN, Danping REN, Qin MENG, Hongzi ZHANG

Journal Article

Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Journal Article

Theoretical study on Janus graphene oxide membrane for water transport

Quan Liu, Mingqiang Chen, Yangyang Mao, Gongping Liu

Journal Article

Direct ethanol production from rice straw by coculture with two high-performing fungi

Maki TAKANO, Kazuhiro HOSHINO

Journal Article

Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Journal Article

Thinking Concerning the Utilization of Anhydrous Ethanol From Biomass as Fuel

Ni Weidou,Li Zheng,Jin Hui

Journal Article

Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

Journal Article

Study of simultaneous saccharification and fermentation for steam exploded wheat straw to ethanol

LUO Peng, YANG Chuanmin, LIU Zhong, WANG Gaosheng

Journal Article

Effects of the SAPO-11 synthetic process on dehydration of ethanol to ethylene

Lina WU, Xiaoxing SHI, Qun CUI, Haiyan WANG, He HUANG

Journal Article

Detoxification and concentration of corn stover hydrolysate and its fermentation for ethanol production

Qing Li, Yingjie Qin, Yunfei Liu, Jianjun Liu, Qing Liu, Pingli Li, Liqiang Liu

Journal Article

Fuel Ethanol: Recommendations and Suggestions

Zhang Kechang

Journal Article

Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Journal Article

Ethanol production from sweet sorghum residual

BAN Jingyang, YU Jianliang, ZHANG Xu, TAN Tianwei

Journal Article

Enhanced CuCl dispersion by regulating acidity of MCM-41 for catalytic oxycarbonylation of ethanol to

Pengzhen CHEN, Shouying HUANG, Jijie ZHANG, Shengping WANG, Xinbin MA

Journal Article