Transesterification of Dimethyl Carbonate with Ethanol To Form Ethyl Methyl Carbonate and Diethyl Carbonate: A Comprehensive Study on Chemical Equilibrium and Reaction Kinetics

被引：69
|
作者：
Keller, Tobias [1 ]
Holtbruegge, Johannes [1 ]
Niesbach, Alexander [1 ]
Gorak, Andrzej [1 ,2 ]
机构：
[1] TU Dortmund Univ, Lab Fluid Separat, Dept Biochem & Chem Engn, Emil Figge Str 70, D-44227 Dortmund, Germany
[2] Tech Univ Lodz, Dept Environm & Proc Engn, PL-90924 Lodz, Poland
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2011年 / 50卷 / 19期
关键词：
VAPOR-LIQUID-EQUILIBRIA; CATALYTIC DISTILLATION; 101.3; KPA; ALCOHOLS; TEMPERATURE; ELECTROLYTE; COMBINATION; EXPRESSION; EFFICIENT; SYSTEMS;
D O I：
10.1021/ie2014982
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This article studies the consecutive transesterification of dimethyl carbonate with ethanol to form ethyl methyl carbonate and diethyl carbonate. The chemical equilibrium and reaction kinetics of this system are investigated experimentally and theoretically. To enhance the reaction rate, the homogeneous catalyst sodium ethoxide was applied. Molar-based and activity-based chemical equilibrium constants were calculated from experimental results, and their temperature dependence was described using the van't Hoff equation. An activity-based kinetic model that considers the temperature dependence of the reaction rate constants with the Arrhenius equation was derived.
引用
收藏
页码：11073 / 11086
页数：14
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