A METHOD FOR THE MANUFACTURE OF CARBOXYLIC ACID ESTER BY MEANS OF A REACTIVE DISTILLATION

A METHOD FOR THE MANUFACTURE OF CARBOXYLIC ACID ESTER BY MEANS OF A REACTIVE DISTILLATION

Carboxylic acid ester is produced by esterification of carboxylic acid and an alcohol in a catalytic reaction zone of a first column at a pressure not greater than ambient pressure. The resultant sump product is distilled in a reaction zone of a second column at a pressure greater than 1.5 bar to ob...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZUBER LAURENT, MEIERHOFER HEINZ, SANDER STEFAN, BAILER OLIVER
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Carboxylic acid ester is produced by esterification of carboxylic acid and an alcohol in a catalytic reaction zone of a first column at a pressure not greater than ambient pressure. The resultant sump product is distilled in a reaction zone of a second column at a pressure greater than 1.5 bar to obtain a second liquid sump product containing carboxylic acid ester with an carboxylic acid content of less than 100 ppm by weight at a lower end of the column. Neutralization of the second liquid sump product with a base is not required.