Study of Liquid-Liquid Equilibria of Toluene plus (Hexane, Heptane, or Cyclohexane) with 1-Ethyl-3-methylimidazolium Ethylsulfate at 308.15 K

被引：2
|
作者：
Martinez-Reina, Marlon [1 ]
Amado-Gonzalez, Eliseo [1 ]
Mauricio Munoz-Munoz, Yonny [2 ]
机构：
[1] Univ Pamplona, Fac Sci, Dept Chem, Pamplona, Colombia
[2] City Univ Melendez, Univ Valle, Sch Chem Engn, Cali, Colombia
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2012年 / 85卷 / 10期
关键词：
IONIC LIQUID; BENZENE PLUS; AROMATIC-HYDROCARBONS; ATMOSPHERIC-PRESSURE; TERNARY-SYSTEMS; BINARY-MIXTURES; T=298.15 K; EXTRACTION; SEPARATION; SULFOLANE;
D O I：
10.1246/bcsj.20120112
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The extraction of toluene from hydrocarbons (hexane, heptane, and cyclohexane) was analyzed by liquid extraction with 1-ethyl-3-methylimidazolium ethylsulfate [EMim][EtSO4] ionic liquid, as a solvent. The experimental liquid + liquid equilibrium (LLE) data were determined at T = 308.15 K and atmospheric pressure. Selectivity and distribution coefficient, derived from the tie-lines, were used to determine the ability of [EMim][EtSO4] as solvent for the separation of toluene from its mixtures with alkanes and cycloalkane. The degree of consistency of the experimental LLE data was ascertained using the Othmer-Tobias equation. The experimental data for LLE of the ternary systems were correlated with the nonrandom two-liquid (NRTL) and universal quasi-chemical (UNIQUAC) thermodynamic models.
引用
收藏
页码：1138 / 1144
页数：7
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