Separation of isopropyl alcohol + isopropyl acetate azeotropic mixture: Selection of ionic liquids as entrainers and vapor-liquid equilibrium validation

Lianzheng Zhang; Jie Wang; Lin Yang; Dongmei Xu; Yixin Ma; Jun Gao; Yinglong Wang

Your Location：

Home >

Browse articles >

Separation of isopropyl alcohol + isopropyl acetate azeotropic mixture: Selection of ionic liquids as entrainers and vapor-liquid equilibrium validation

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Separation of isopropyl alcohol + isopropyl acetate azeotropic mixture: Selection of ionic liquids as entrainers and vapor-liquid equilibrium validation
- Chinese Journal of Chemical Engineering Vol. 50, Issue 10, Pages: 326-334(2022)
- Affiliations：
  
  1. College of Chemical and Biological Engineering, Shandong University of Science and Technology,Qingdao,China,266590
  2. College of Chemical Engineering, Qingdao University of Science and Technology,Qingdao,China,266042
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2022
- Accepted：
Scan QR Code
Lianzheng Zhang, Jie Wang, Lin Yang, Dongmei Xu, Yixin Ma, Jun Gao, Yinglong Wang. Separation of isopropyl alcohol + isopropyl acetate azeotropic mixture: Selection of ionic liquids as entrainers and vapor-liquid equilibrium validation[J]. Chinese Journal of Chemical Engineering, 2022, 50(10): 326-334.
DOI：

Lianzheng Zhang, Jie Wang, Lin Yang, Dongmei Xu, Yixin Ma, Jun Gao, Yinglong Wang. Separation of isopropyl alcohol + isopropyl acetate azeotropic mixture: Selection of ionic liquids as entrainers and vapor-liquid equilibrium validation[J]. Chinese Journal of Chemical Engineering, 2022, 50(10): 326-334. DOI：

摘要

Abstract

Based on the COSMO-SAC model

1-ethyl-3-methylimidazolium acetate and 1-ethyl-3-methylimidazolium

-toluenesulfonate were selected from 30 ILs as entrainers to investigate the separation of the isopropyl alcohol + isopropyl acetate azeotrope. Two screening indicators

-profile and infinite dilution selectivity (

∞

)

were adopted as the basis. The isobaric vapor-liquid equilibrium experiments for isopropyl alcohol + isopropyl acetate binary system and isopropyl alcohol + isopropyl acetate + confirmed ILs ternary systems were performed at the pressure of atmospheric pressure. The experimental measurement demonstrated that the adopt ILs enhanced the relative volatility of the above alcohol-ester azeotrope

leading to the elimination of the azeotropic point with a certain amount ILs. Meanwhile

the thermodynamic correlation for two systems containing ILs was explored with the NRTL model

which also reflects the extensive applicability of that by comparing the deviation between experimental and calculated data. And its binary interaction parameters were regressed

which can provide a basis for its simulation

process.

关键词

Keywords

references

Views

Downloads

CSCD

Alert me when the article has been cited

Submit

Tools

Publicity Resources

Effects of ionic liquids on the vapor-liquid equilibriumof 1,3,5-trioxane-water system at 101.3 kPa

Isobaric vapor-liquid equilibrium for binary system of aniline+methyl-N-phenyl carbamate

Modeling pVT Properties and Vapor-Liquid Equilibrium of Ionic Liquids Using Cubic-plus-association Equation of State

Microfluidic extraction of phenolic compounds from wastewater in the straight/helical/in-plane spiral microchannels

Intelligent prediction of ionic liquids and deep eutectic solvents by machine learning

Related Author

Fei Li

Tao Zhang

Li Lv

Wenxiang Tang

Yan Wang

Shengwei Tang

Yuqian Li

LiguoWang

Related Institution

School of Chemical Engineering, Sichuan University

2 Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences

3 China Academy of Science & Technology Development, Guangxi Branch

State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology

School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology

⁰