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).
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页数：9
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