Salting-out effect of ionic liquids on isobaric vapor-liquid equilibrium of acetonitrile-water system

This paper presents the vapor–liquid equilibrium（VLE） data of acetonitrile–water system containing ionic liquids（ILs） at atmospheric pressure（101.3 k Pa）. Since ionic liquids dissociate into anions and cations, the VLE data for the acetonitrile ＋ water ＋ ILs systems are correlated by salt effect mod...

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Bibliographic Details
Published in:Chinese journal of chemical engineering 2015-08, Vol.23 (8), p.1369-1373
Main Authors: Fang, Jing, Zhao, Rui, Wang, Hui, Li, Chunli, Liu, Jing
Format: Article
Language:English
Subjects:
Acetonitrile
Ionic liquid
Salting-out effect
Separation
Vapor–liquid equilibrium
乙腈
平均相对误差
效应模型
水体系
汽液平衡数据
盐析效应
相关模型
离子液体
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Summary:This paper presents the vapor–liquid equilibrium（VLE） data of acetonitrile–water system containing ionic liquids（ILs） at atmospheric pressure（101.3 k Pa）. Since ionic liquids dissociate into anions and cations, the VLE data for the acetonitrile ＋ water ＋ ILs systems are correlated by salt effect models, Furter model and improved Furter model. The overall average relative deviation of Furter model and improved Furter model is 5.43% and 4.68%, respectively. Thus the salt effect models are applicable for the correlation of IL containing systems. The salting-out effect theory can be used to explain the change of relative volatility of acetonitrile–water system.
ISSN:1004-9541
2210-321X
DOI:10.1016/j.cjche.2015.04.011