Process for production sorbic acid

Details Process for production sorbic acid Process for production sorbic acid

1985-07-16

1987-01-27

Sever, Frank

Distillation: processes, separatory

Flash vaporization of distilland

159 49, 203 89, 562601, B01D 312

Patent

active

046392947

ABSTRACT:
A process for producing sorbic acid is described, by first reacting crotonaldehyde with ketene to prepare a polyester, then decomposing the polyester with hydrochloric acid, separating the crude sorbic acid from the reaction solution, and purifying the separated sorbic acid, said purifying step comprising the following steps:

REFERENCES:
patent: 3960939 (1976-06-01), Sekiyama et al.

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