Effect of salt-based deep eutectic solvent on vapor-liquid equilibrium for the mixture of 2-propanol and water

被引：2

作者：

Yin, Liuyi ^{[1
]}

Li, Yongbo ^{[1
]}

Li, Xin ^{[1
]}

Zhao, Yuqi ^{[1
]}

Chen, Guangying ^{[1
]}

Liu, Shaohua ^{[1
]}

Wang, Yanwei ^{[1
]}

机构：

[1] Zhoukou Normal Univ, Coll Chem & Chem Engn, Zhoukou 466001, Peoples R China

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2023年 / 185卷

基金：

中国国家自然科学基金;

关键词：

Salt-based deep eutectic solvent; Vapor-liquid equilibria; 2-Propanol separation; Revised LIQUAC model; EQUATION-OF-STATE; EXTRACTIVE DISTILLATION; IONIC LIQUIDS; THERMAL-STABILITY; PHASE-EQUILIBRIA; ELECTROLYTE; PLUS; PREDICTION; SYSTEMS; DEHYDRATION;

D O I：

10.1016/j.jct.2023.107118

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Salt-based deep eutectic solvents (DESs) (i.e, ethylene glycol-choline chloride-MgBr2 (1: 0.6: 0.05) and ethylene glycol-choline chloride-MgCl2 (1: 0.6: 0.05)) have been proposed in this work for the separation of the azeotrope of 2-propanol and water (H2O). Based on the newly determined experimental data for the systems (2-propanol + H2O + DESs), revised LIQUAC model was developed for describing the vapor-liquid phase equilibrium of the system (2-propanol + H2O + DESs). Comparisons of model calculated and experimental measured values proved that the model presented here provides a reliable method for correlating the vapor-liquid equilibria data. Furthermore, both the VLE experiments and the model were used to study the effect of salt-based deep eutectic solvent on vapor-liquid equilibria. It was revealed that ethylene glycol-choline chloride-MgCl2 (1: 0.6: 0.05) is more promising than ethylene glycol-choline chloride-MgBr2 (1: 0.6: 0.05) as entrainer for the separation of mixture (2-propanol + water).

引用

页数：9

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