fulltext.study @t Gmail

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

Paper ID Volume ID Publish Year Pages File Format Full-Text
52020 46862 2012 6 PDF Available
Title
Effect of hydrophobic and hydrophilic properties of solid acid catalysts on the esterification of maleic anhydride with ethanol
Abstract

Esterification of maleic anhydride with ethanol over Al-MCM-41 (Si/Al = 50,100 and 150) and Hβ zeolite was investigated in the liquid phase at 80, 100 and 120 °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 Hβ are convenient replacement for hazardous sulphuric acid used in the industrial esterification of maleic anhydride with ethanol.

Keywords
Esterification; Maleic anhydride; Diethyl maleate; Al-MCM-41; Hβ
First Page Preview
Effect of hydrophobic and hydrophilic properties of solid acid catalysts on the esterification of maleic anhydride with ethanol
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 10, 10 June 2008, Pages 2007–2012
Authors
, , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis