Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate

邓东顺; 汪如发; 章连众; 葛绮; 计建炳

doi:10.1016/S1004-9541(11)60045-1

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Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate

Updated：2026-01-06

- Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate
- Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate
- 中国化学工程学报（英文版） 2011年19卷第4期页码：703-708
- Affiliations：
  
  Zhejiang Province Key Laboratory of Biofuel, College of Chemical Engineering and Material Science, Zhejiang University of Technology,Hangzhou,China,310014
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60045-1
  中图分类号：
- 纸质出版：2011
- Accepted：
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邓东顺, 汪如发, 章连众, 等. Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate[J]. 中国化学工程学报（英文版）, 2011,19(4):703-708.

DENG Dongshun, WANG Rufa, ZHANG Lianzhong, GE Yun, JI Jianbing. Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate [J]. , 2011, 19(4): 703-708.
邓东顺, 汪如发, 章连众, 等. Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate[J]. 中国化学工程学报（英文版）, 2011,19(4):703-708. DOI： 10.1016/S1004-9541(11)60045-1.

DENG Dongshun, WANG Rufa, ZHANG Lianzhong, GE Yun, JI Jianbing. Vapor-Liquid Equilibrium Measurements and Modeling for Ternary System Water+Ethanol+1-Butyl-3-methylimidazolium Acetate [J]. , 2011, 19(4): 703-708. DOI： 10.1016/S1004-9541(11)60045-1.

摘要

Abstract

Vapor-liquid equilibrium(VLE) data were measured for ternary system water+ethanol+1-butyl-3methylimidazolium acetate([bmim

]

[OAc

]

)

in a relatively wide range of ionic liquid(IL) mass fractions up to 0.8.Six sets of complete

T-x-y

data were obtained

in which the mole fraction of ethanol on IL-free basis was fixed separately at 0.1

0.2

0.4

0.6

0.8

and approximate 0.98.The non-random-two-liquid(NRTL) and electrolyte non-random-two-liquid(eNRTL) equations were used for correlation

showing similar deviations.The ternary VLE was also modeled with the correlation from two data sets

with the mole fractions of ethanol on IL-free basis being 0.1 and approximate 0.98.The VLE data were also reproduced satisfactorily.With the eNRTL model

the root-mean-square deviation for temperature is 0.79 K and that for vapor-phase mole fraction is 0.0094.The calculations are in good agreement with experimental data.The effect of the IL on the VLE behavior of the volatile components is also illustrated.

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