Effect of hydrophobic and hydrophilic properties of solid acid catalysts on the esterification of maleic anhydride with ethanol

被引：20
作者：
Bhagiyalakshmi, M. [1 ]
Priya, S. Vishnu [1 ]
Mabel, J. Herbert [1 ]
Palanicharny, M. [1 ]
Murugesan, V. [1 ]
机构：
[1] Anna Univ, Dept Chem, Madras 600025, Tamil Nadu, India
来源：
CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 10期
关键词：
esterification; maleic anhydride; diethyl maleate; Al-MCM-41; H beta;
D O I：
10.1016/j.catcom.2008.03.038
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：
Esterification of maleic anhydride with ethanol over Al-MCM-41 (Si/Al = 50,100 and 150) and H beta zeolite was investigated in the liquid phase at 80, 100 and 120 degrees C. Monoesterification of maleic anhydride to monoethyl maleate (MEM) was found to be fast and independent of the presence of catalyst but subsequent esterification to diethyl maleate (DEM) was catalyst dependent. The absence of isomerisation of diethyl maleate to diethyl fumarate (DEF) over Al-MCM-41 molecular sieves is a significant advantage. Al-MCM-41 (50), Al-MCM-41 (100) and H beta are convenient replacement for hazardous sulphuric acid used in the industrial esterification of maleic anhydride with ethanol. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：2007 / 2012
页数：6
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