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Citation: LI Xiaoqiang, ZHANG Xiaoming, SUO Jishuan. Vapor Permeation Aided Esterification of Ethanol/Acrylic Acid Using NaA Zeolite Membrane[J]. Chinese Journal of Applied Chemistry, ;2012, 29(8): 974-976. doi: 10.3724/SP.J.1095.2012.00369 shu

Vapor Permeation Aided Esterification of Ethanol/Acrylic Acid Using NaA Zeolite Membrane

1.
Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China

Corresponding author: ZHANG Xiaoming,
Received Date: 24 August 2011
Available Online: 1 November 2011
Fund Project:

Taking advantage of the hydrophilicity of zeolite A membrane,it was used as a vapor permeation membrane to remove the water generated from the esterification between acrylic acid and ethanol with the presence of p-toluene sulphonic acid as catalyst.This allowed to efficiently separate in situ formed water from the reactor,shift the esterification toward right side and hence substantially enhance the conversion of acrylic acid.Up to 100% conversion could be achieved within 15 h.
- p-toluene sulfonic acid,
- NaA zeolite membrane,
- vapor permeation,
- ethyl acrylate
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