Method for continuously preparing carboxylic acid ester
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United States of America Patent
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Apr 21, 2015
Grant Date -
Nov 14, 2013
app pub date -
Oct 15, 2012
filing date -
May 9, 2012
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Abstract
A method for continuously preparing a carboxylic acid ester is disclosed. In the method of the present invention, a vertical reactor is filled with a solid catalyst, a carboxylic acid and an alcohol are introduced into a lower part of the vertical reactor, esterification is performed to form an esterized mixture, the esterized mixture is output from an upper part of the vertical reactor, and distillation is performed to isolate the carboxylic acid ester. The method of the present invention is simple, easily controlled and environmental friendly, and has significantly high conversion rate and selectivity.
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