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Journal Article 36

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Keywords

dimethyl ether 3

Dimethyl ether 2

adsorption 2

combustion 2

different 2

dimethyl 2

dimethyl carbonate 2

dimethyl ether (DME) 2

dimethyl phthalate 2

mechanism 2

rheology 2

1 1

1-ethyl-3-methylimidazolium trifluoromethanesulfonate 1

2 1

2′ 1

4 1

4-butanediol 1

4′-tetrabromodiphenyl ether (BDE-47) 1

N 1

N-dimethyl-p-phenylenediamine-dihydrochloride 1

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Exergy losses in premixed flames of dimethyl ether and hydrogen blends

Tongbin ZHAO, Jiabo ZHANG, Dehao JU, Zhen HUANG, Dong HAN

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 658-666 doi: 10.1007/s11708-019-0645-8

Abstract: A second-law thermodynamic analysis was conducted for stoichiometric premixed dimethyl ether (DME)/hydrogenThe overall exergy losses in the DME/H flames decrease by about 5% with increased H substitution from

Keywords： second law analysis     flame     dimethyl ether (DME)     hydrogen     binary fuels    

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Dimethyl ether as alternative fuel for CI engine and vehicle

Zhen HUANG , Xinqi QIAO , Wugao ZHANG , Junhua WU , Junjun ZHANG ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 99-108 doi: 10.1007/s11708-009-0013-1

Abstract: On the basis of researches on DME engine and vehicle at Shanghai Jiaotong University in the last twelveyears, fuel injection, combustion, performance and exhaust emissions of DME engine and DME vehicle areThe results indicate that DME engines can achieve high thermal efficiency and ultra low emissions, and

Keywords： dimethyl ether (DME)     fuel injection     combustion process     emission control     CI engine     vehicle    

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Artificial versus Natural Reuse of CO2 for DME Production: Are We Any Closer?

Martín Mariano

Engineering 2017, Volume 3, Issue 2,   Pages 166-170 doi: 10.1016/J.ENG.2017.02.002

Abstract: captured CO2 in the form of lignocellulosic biomass toward the production of the same product, dimethylether (DME).superstructure optimization approach in order to select technologies that transform lignocellulosic biomass into DMEusing reforming, scrubbing, and carbon capture technologies before it can be used to directly produce DMEAlternatively, CO2 can be captured and used to produce DME via hydrogenation.

Keywords： Solar energy     Photovoltaic     Concentrated solar power     Biomass     Water electrolysis     Dimethyl ether    

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Biomass to dimethyl ether by gasification/synthesis technology

Tiejun WANG, Yuping LI, Longlong MA, Chuangzhi WU

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 330-339 doi: 10.1007/s11708-010-0121-y

Abstract: Technical and economic analysis was done for the biomass to dimethyl ether (DME) technology to promoteBiomass gasification/synthesis technology integrates bio-DME synthesis, fertilizer production, electricityThe 1000 t/a-scale demonstration plant has a bio-DME production rate of 6 to 7 / , biomass gasificationefficiency of≥82%, once-through CO conversion of ≥70%, DME selectivity (DME/DME+other organic productsfeedstock collection cost, massive and disperse commercial plants with a capacity of 10000 t/a bio-DME

Keywords： technical and economic analysis     biomass     dimethyl ether     gasification/synthesis    

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A density functional theory study on the mechanism of Dimethyl ether carbonylation over heteropolyacids

Kai Cai, Ying Li, Hongbao Shen, Zaizhe Cheng, Shouying Huang, Yue Wang, Xinbin Ma

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 319-329 doi: 10.1007/s11705-020-1957-2

Abstract: Dimethyl ether (DME) carbonylation is considered as a key step for a promising route to produce ethanolHeteropolyacids (HPAs) are proved to be efficient catalysts for DME carbonylation.In this work, the reaction mechanism of DME carbonylation was studied theoretically by using densityThe whole process consists of three stages: DME dissociative adsorption, insertion of CO into methoxyl

Keywords： dimethyl ether     carbonylation     mechanism     heteropolyacids     density functional theory    

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Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 401-405 doi: 10.1007/s11708-008-0075-5

Abstract: Experimental investigation into the effects of different pilot amounts of dimethyl ether (DME) on theperformance and emission of a single-cylinder direct-injection DME engine is conducted.The results show that a DME engine can operate at a wider range of speeds and loads at quasi-homogenousNO, HC and CO emissions increase with an increase in the amount of DME pilot.

Keywords： Experimental investigation     single-cylinder direct-injection     exhaust temperature     dimethyl     compression    

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Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 279-284 doi: 10.1007/s11708-008-0042-1

Abstract: The resistance of many kinds of rubber materials to dimethyl ether (DME) was studied.Both the mass and volume change of rubber materials, which were put in DME and then exposed to the airrubber (FKM), silicone rubber (SIR), and nitrile rubber (NBR) are unsuitable as seal materials for DMECommon polyvinylchloride (PVC) dissolved completely in DME, which has almost no impact on vulcanizingDME engine operation.

Keywords： impact     Common polyvinylchloride     different     constitution     ethylene propylene    

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A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 452-456 doi: 10.1007/s11705-010-0522-9

Abstract: The catalysts were used for direct synthesis of dimethylether (DME) from syngas.calcination under microwave irradiation improved both the activity and selectivity of the catalysts for DMEUnder such optimum conditions, CO conversion, DME selectivity and time space yield of DME were 60.1%,occurred under microwave irradiation with very low power, resulting in a decrease in the selectivity to DME

Keywords： Pd/γ-Al2O3     direct synthesis     dimethyl ether     calcination under microwave irradiation    

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Ozone kinetics of dimethyl sulfide in the presence of water vapor

Haitao WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 833-835 doi: 10.1007/s11783-013-0570-8

Abstract: outdoor smog chamber was used to thorough investigate the rate constants of gas-phase reaction between dimethyl

Keywords： rate constants     ozone (O3)     dimethyl sulfide (DMS)     water vapor    

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Solvent-resistant porous membranes using poly(ether−ether ketone): preparation and application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1536-1559 doi: 10.1007/s11705-022-2221-8

Abstract: Poly(ether−ether ketone) (PEEK) is a linear aromatic macromolecule, which can form semi-crystalline aggregative

Keywords： PEEK     phase inversion     solvent-resistant membrane     nanofiltration     membrane contactor    

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Sulfonated poly(ether ether ketone)/zirconium tricarboxybutylphosphonate composite proton-exchange membranes

GAO Qijun, HUANG Mianyan, WANG Yuxin, CAI Yuquan, XU Li

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 95-101 doi: 10.1007/s11705-008-0012-5

Abstract: Sulfonated poly(ether ether ketone) (SPEEK) is a very promising alternative membrane material for direct

Keywords： homogeneous mixture     PBTC     zirconium tricarboxybutylphosphonate     Nafion115     DMFC    

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Catalytic activity of cerium-doped Ru/AlO during ozonation of dimethyl phthalate

ZHOU Yunrui, ZHU Wanpeng, CHEN Xun

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 354-357 doi: 10.1007/s11783-008-0059-z

Abstract: In this paper, factors influencing the mineralization of dimethyl phthalate (DMP) during catalytic ozonation

Keywords： Ru–Ce/AlO     dimethyl phthalate     mineralization     comparison experiment     catalytic ozonation    

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How to make the production of methanol/DME “GREENER”—Integration of wind power with

Weidou NI , Zhen CHEN , Zheng LI , Jian GAO ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 94-98 doi: 10.1007/s11708-009-0012-2

Abstract: Coal-based methanol/DME is the key element of this industry.A new integrated system which combines coal-based methanol/DME production with wind power is proposedIn comparison with conventional coal-based methanol/DME system, the proposed system omits the expensive

Keywords： wind power     off-grid     coal-based methanol/DME     electrolyze water    

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Novel eco-efficient reactive distillation process for dimethyl carbonate production by indirect alcoholysis

Iulian Patraşcu, Costin S. Bîldea, Anton A. Kiss

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 316-331 doi: 10.1007/s11705-021-2047-9

Abstract: Dimethyl carbonate is an eco-friendly essential chemical that can be sustainably produced from CO , whichThe rapid increase in dimethyl carbonate demand is driven by the fast growth of polycarbonates, solventDimethyl carbonate can be produced from CO through various chemical pathways, but the most convenientTherefore, less equipment is required, the methanol-dimethyl carbonate azeotrope does not need to beThe energy requirement is reduced by heat integration to just 1.25 kW·h·kg dimethyl carbonate, which

Keywords： dimethyl carbonate     reactive distillation     process design     plantwide control    

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Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

Zhen CHEN, Haitao ZHANG, Weiyong YING, Dingye FANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 461-471 doi: 10.1007/s11705-010-0517-6

Abstract: research work in our laboratory was carried out in this paper. a global kinetics model for direct dimethylether (DME) synthesis from syngas over a novel Cu-Zn-Al-Zr slurry catalyst was established accordingThe numerical simulations of reactor design of 100000 t/a dimethyl ether pilot plant indicate that higherether, product yield and height of slurry bed.The optimal operating conditions for DME synthesis process were obtained: reaction temperature at 240

Keywords： syngas     alcohol/ether fuel     slurry catalyst     bubble column slurry reactor     global kinetics     mathematical model    

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Title Author Date Type Operation

Exergy losses in premixed flames of dimethyl ether and hydrogen blends

Tongbin ZHAO, Jiabo ZHANG, Dehao JU, Zhen HUANG, Dong HAN

Journal Article

Dimethyl ether as alternative fuel for CI engine and vehicle

Zhen HUANG , Xinqi QIAO , Wugao ZHANG , Junhua WU , Junjun ZHANG ,

Journal Article

Artificial versus Natural Reuse of CO2 for DME Production: Are We Any Closer?

Martín Mariano

Journal Article

Biomass to dimethyl ether by gasification/synthesis technology

Tiejun WANG, Yuping LI, Longlong MA, Chuangzhi WU

Journal Article

A density functional theory study on the mechanism of Dimethyl ether carbonylation over heteropolyacids

Kai Cai, Ying Li, Hongbao Shen, Zaizhe Cheng, Shouying Huang, Yue Wang, Xinbin Ma

Journal Article

Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Journal Article

Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Journal Article

A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Journal Article

Ozone kinetics of dimethyl sulfide in the presence of water vapor

Haitao WANG

Journal Article

Solvent-resistant porous membranes using poly(ether−ether ketone): preparation and application

Journal Article

Sulfonated poly(ether ether ketone)/zirconium tricarboxybutylphosphonate composite proton-exchange membranes

GAO Qijun, HUANG Mianyan, WANG Yuxin, CAI Yuquan, XU Li

Journal Article

Catalytic activity of cerium-doped Ru/AlO during ozonation of dimethyl phthalate

ZHOU Yunrui, ZHU Wanpeng, CHEN Xun

Journal Article

How to make the production of methanol/DME “GREENER”—Integration of wind power with

Weidou NI , Zhen CHEN , Zheng LI , Jian GAO ,

Journal Article

Novel eco-efficient reactive distillation process for dimethyl carbonate production by indirect alcoholysis

Iulian Patraşcu, Costin S. Bîldea, Anton A. Kiss

Journal Article

Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

Zhen CHEN, Haitao ZHANG, Weiyong YING, Dingye FANG

Journal Article