Process for producing carboxylic acid ester

Details Process for producing carboxylic acid ester Process for producing carboxylic acid ester

1993-04-12

1994-04-12

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560218, 560248, 560231, 560103, C07C 6952

Patent

active

053027469

ABSTRACT:
A process for producing a carboxylic acid ester which comprises reacting a carboxylic acid with an alcohol in the presence of an acid catalyst to produce a reaction solution and neutralizing the reaction solution, characterized by using a countercurrently contacting column for neutralization, into which the esterified reaction solution is introduced at the lower portion of the column, an aqueous strong alkaline solution at a middle portion and an aqueous weak alkaline solution at an upper portion, removing a neutralized oil phase containing the carboxylic acid ester from the top of the column and removing an aqueous phase from the bottom, thereby continuously neutralizing the reaction solution.

REFERENCES:
patent: 3882167 (1975-05-01), Lohmar et al.
patent: 4329492 (1982-05-01), Andoh et al.

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