Process for esterification in a chromatographic reactor
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United States of America Patent
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Jul 1, 2003
Grant Date -
Jun 27, 2002
app pub date -
Nov 30, 2001
filing date -
Nov 30, 2000
priority date (Note) -
Expired
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Abstract
Process for the esterification of organic acids with alcohols in a reactor of the chromatographic type in which the heterogeneous solid phase is capable of acting both as an esterification catalyst and as a means exhibiting preferential adsorption towards one of the reaction products (typically water). The process to which the present invention relates is particularly improved compared with conventional technology owing to the use, as the means for regenerating the catalyst, of a desorbent to which has been added a second compound, generally the anhydride of the acid used in the esterification reaction, which, by chemical reaction, completes the removal of the adsorbed water.
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