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Effects of imidazolium-based ionic liquids on the isobaric vapor-liquid equilibria of methanol plus dimethyl carbonate azeotropic systems

文献类型：期刊论文

作者Chen, Songsong3,4; Dong, Li1,4; Zhang, Junping3,4; Cheng, Weiguo4; Huo, Feng1,4; Su, Qian3,4; Hua, Wei2
刊名CHINESE JOURNAL OF CHEMICAL ENGINEERING
出版日期2020-03-01
卷号28期号:3页码:766-776
关键词Vapor liquid equilibria Ionic liquid Azeotrope Separation Interaction energy
ISSN号1004-9541
DOI10.1016/j.cjche.2019.12.001
英文摘要The separation of methanol (MeOH) and dimethyl carbonate (DMC) is important but difficult due to the formation of an azeotropic mixture. In this work, isobaric vapor-liquid equilibrium (VLE) data for the ternary systems containing different imidazolium-based ionic liquids (ILs), i.e. MeOH + DMC + 1-butyl-3-methy-limidazolium bis[(trifluoromethyl)sulfonyl]imide ([Bmim][Tf2N]), MeOH + DMC + 1- ethyl-3-methyl-imidazolium bis [( trifluoromethyl)sulfonyl]imide ([Emim][Tf2N]), and MeOH + DMC + 1-ethyl-3-methylimidazolium hexafluorophosphate ([Emim][PF6])) were measured at 101.3 kPa. The mole fraction of IL was varied from 0.05 to 0.20. The experimental data were correlated with the NRTL and Wilson equations, respectively. The results show that imidazolium-based ILs were beneficial to improve the relative volatility of MeOH to DMC, and [Bmim][Tf2N] showed a much more excellent performance on the activity coefficient of MeOH. The interaction energies of system componentswere calculated using Gaussian program, and the effects of cation and anion on the separation coefficient of the azeotropic system were discussed. (C) 2019 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
WOS关键词EXTRACTIVE DISTILLATION ; REACTIVE-DISTILLATION ; ETHYLENE CARBONATE ; HYDROGEN-BOND ; WATER ; SEPARATION ; ENTRAINER ; BEHAVIOR ; TRANSESTERIFICATION ; SELECTION
资助项目National Key R&D Program of China[2018YFB0605804] ; National Natural Science Foundation of China[21606237] ; Transformational Technologies for Clean Energy and Demonstration, Strategic Priority Research Program of the Chinese Academy of Sciences[XDA 21030500] ; Fund of State Key Laboratory of Multiphase Complex Systems, IPE, CAS[MPCS-2019-A-02] ; DNL Cooperation Fund, CAS[DNL180202]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000538776500014
出版者CHEMICAL INDUSTRY PRESS CO LTD
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; Transformational Technologies for Clean Energy and Demonstration, Strategic Priority Research Program of the Chinese Academy of Sciences ; Fund of State Key Laboratory of Multiphase Complex Systems, IPE, CAS ; DNL Cooperation Fund, CAS
源URL[http://ir.ipe.ac.cn/handle/122111/41089]  
专题中国科学院过程工程研究所
通讯作者Dong, Li
作者单位1.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.SINOPEC, Beijing Yanshan Co, Beijing 102500, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100090, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Songsong,Dong, Li,Zhang, Junping,et al. Effects of imidazolium-based ionic liquids on the isobaric vapor-liquid equilibria of methanol plus dimethyl carbonate azeotropic systems[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2020,28(3):766-776.
APA Chen, Songsong.,Dong, Li.,Zhang, Junping.,Cheng, Weiguo.,Huo, Feng.,...&Hua, Wei.(2020).Effects of imidazolium-based ionic liquids on the isobaric vapor-liquid equilibria of methanol plus dimethyl carbonate azeotropic systems.CHINESE JOURNAL OF CHEMICAL ENGINEERING,28(3),766-776.
MLA Chen, Songsong,et al."Effects of imidazolium-based ionic liquids on the isobaric vapor-liquid equilibria of methanol plus dimethyl carbonate azeotropic systems".CHINESE JOURNAL OF CHEMICAL ENGINEERING 28.3(2020):766-776.

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来源：过程工程研究所

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