Investigation of ethyl lactate reactive distillation process

被引：27
|
作者：
Gao, J. [1 ]
Zhao, X. M.
Zhou, L. Y.
Huang, Z. H.
机构：
[1] Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin 300130, Peoples R China
[2] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
来源：
CHEMICAL ENGINEERING RESEARCH & DESIGN | 2007年 / 85卷 / A4期
关键词：
reactive distillation; ethyl lactate; solid super-acid; numerical simulation;
D O I：
10.1205/cherd06026
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this paper, extensive investigation is carried out for the synthesis of ethyl lactate by magnetic solid super-acid SO42-/ZrO2-Fe3O4 catalysed reactive distillation for the first time. The feasibility of ethyl lactate synthesis is examined using the reactive distillation lines diagram. The factors investigated include: the effects of the reflux ratio, the ratio of ethanol to lactic acid, lactic acid feeding flux and the position of the feed points. The optimum operating conditions are given. The kinetics of the reversible reaction of ethanol and lactic acid in the presence of super-fine magnetic solid super-acid SO42-/ZrO2-Fe3O4 are experimentally determined. Numerical simulation of the process using ASPEN Plus simulator has also been performed, which agreed with experiments very well.
引用
收藏
页码：525 / 529
页数：5
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