Isobaric Vapor-Liquid Equilibrium for Methanol plus Methyl Acetate+1-Octyl-3-methylimidazolium Hexafluorophosphate at 101.3 kPa

被引:38
作者
Cai, Jialin [1 ]
Cui, Xianbao [1 ]
Zhang, Ying [1 ]
Li, Rui [1 ]
Feng, Tianyang [1 ]
机构
[1] Tianjin Univ, Sch Chem Engn & Technol, State Key Lab Chem Engn, Tianjin 300072, Peoples R China
关键词
IONIC LIQUIDS; EXTRACTIVE DISTILLATION; 1-ETHYL-3-METHYLIMIDAZOLIUM TRIFLUOROMETHANESULFONATE; BUTYL ACETATE; SYSTEMS; PREDICTION; SEPARATION; WATER;
D O I
10.1021/je2000588
中图分类号
O414.1 [热力学];
学科分类号
摘要
Vapor-liquid equilibrium (VLE) data for methanol + methyl acetate + 1-octyl-3-methylimidazolium hexafluorphosphate ([OMIM][PF6]) at 101.3 kPa were measured. The experimental VLE data were correlated by the nonrandom two-liquid (NRTL) activity coefficient model, and the binary parameters were obtained. The results show that the ionic liquid [OMIM][PF6] produces a notable salting-out effect, which enhances the relative volatility of methanol to methyl acetate. The effect of [OMIM][PF6] on methanol + methyl acetate system was compared with that of o-xylene.
引用
收藏
页码:2884 / 2888
页数:5
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