Process for the continuous preparation of esters of lower alipha

Details Process for the continuous preparation of esters of lower alipha Process for the continuous preparation of esters of lower alipha

1992-11-30

1997-06-10

Ivy, C. Warren

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

Organic compounds

Carboxylic acid esters

C07C 6963

Patent

active

056377614

ABSTRACT:
In the esterification of aliphatic C.sub.2 -C.sub.6 -carboxylic acids with aliphatic C.sub.1 -C.sub.4 -alcohols, the ester formed is removed by azeotropic distillation together with the water of reaction. After the water of reaction has been separated in a separating condenser, the ester phase is freed, by washing with water, from acid carried over, and water and alcohol are then removed by distilling off a small fraction of the ester.
In this way no salt-containing effluents are produced. The ester is obtained in a very good yield, free from acid and alcohol.

REFERENCES:
patent: 4239492 (1980-12-01), Andoh et al.
patent: 4329492 (1982-05-01), Andoh et al.
patent: 4837357 (1989-06-01), Merger et al.

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