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

被引：12

作者：

Fang, Jing ^{[1
]}

Zhao, Rui ^{[1
]}

Wang, Hui ^{[2
]}

Li, Chunli ^{[1
]}

Liu, Jing ^{[1
]}

机构：

[1] Hebei Univ Technol, Sch Chem Engn, Tianjin 300130, Peoples R China

[2] Environm Monitoring Cent Stn Suqian City, Suqian 223800, Jiangsu, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2015年 / 23卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Salting-out effect; Vapor-liquid equilibrium; Separation; Ionic liquid; Acetonitrile; PREDICTION; ENTRAINERS; SEPARATION; SELECTION; METHANOL; ETHANOL;

D O I：

10.1016/j.cjche.2015.04.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper presents the vapor-liquid equilibrium (VLE) data of acetonitrile-water system containing ionic liquids (ILs) at atmospheric pressure (101.3 kPa). 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. (C) 2015 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.

引用

页码：1369 / 1373

页数：5