Transesterification between isoamyl acetate and ethanol in supercritical CO2, ionic liquid, and their mixture

被引：16
|
作者：
Gao, L [1 ]
Jiang, T [1 ]
Zhao, GY [1 ]
Mu, TC [1 ]
Wu, WZ [1 ]
Hou, ZS [1 ]
Han, BX [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 2004年 / 29卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
transesterification; supercritical; isoamyl acetate; ethanol; CO2; ionic liquid; mixed solvent;
D O I：
10.1016/S0896-8446(03)00037-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The transesterification between isoamyl acetate and ethanol in supercritical (SC) CO2, 1-n-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6], a room temperature ionic liquid), and in CO2 + [bmim][PF6] mixed solvent was studied at 65.0 degreesC and different pressures. p-Xylenesulfonic acid (p-TSA) was used as the catalyst. Results showed that the phase behavior of the reaction system affects the equilibrium conversion of the reaction in SC CO2 and CO2+[bmim][PF6] considerably. The mixtures of SC CO2 and ionic liquids, which are environmental benign solvents, may have potential applications in tuning the equilibrium conversions. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：107 / 111
页数：5
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