Experimental determination of liquid-liquid equilibrium using ionic liquids:: tert-amyl ethyl ether plus ethanol plus 1-octyl-3-methylimidazolium chloride system at 298.15 K

被引：71

作者：

Arce, A ^{[1
]}

Rodríguez, O ^{[1
]}

Soto, A ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Dept Chem Engn, E-15782 Santiago De Compostela, Spain

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2004年 / 49卷 / 03期

关键词：

D O I：

10.1021/je0302147

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Liquid-liquid equilibrium data for tert-amyl ethyl ether (TAEE) + ethanol + 1-octyl-3-methylimidazolium chloride were measured experimentally at 298.15 K. The experimental data were obtained by direct analysis of phases at equilibrium by H-1 NMR and then correlated using the nonrandom two-liquid equation. The nonrandomness parameter (alpha) was fixed to 0.1, 0.2, and 0.3, and the best results were found with alpha = 0.1. Distribution coefficients and selectivities obtained show that the ionic liquid used can be an excellent extractant agent of ethanol from its mixtures with TAEE, thus allowing ether purification.

引用

页码：514 / 517

页数：4

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