Process for the preparation of organic acids

Details Process for the preparation of organic acids Process for the preparation of organic acids

1986-11-25

1989-05-09

Castel, Benoit

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

435145, 2041824, 562580, 562593, C12P 740, C12P 746

Patent

active

048289930

ABSTRACT:
Organic acids are prepared from their salts electrodialytically. At the same time, another acid is converted electrodialytically into the corresponding salt. Both electrodialytic conversions take place in the same electrodialysis unit. If the salt of the organic acid has been fermentatively prepared as, for example, malate from fumarate, it is possible both to prepare malic acid by electrodialysis and also to prepare fumarate from fumaric acid for the fermentation. Through coupling substrate and product streams in the electrodialysis, a closed circuit is formed.

REFERENCES:
patent: 3391187 (1968-07-01), Cullen, Jr. et al.
patent: 3873425 (1975-03-01), Kobayashi et al.
patent: 3922195 (1975-11-01), Chibata et al.
patent: 3964985 (1976-06-01), Giuffrida
patent: 4734368 (1988-03-01), Schindler

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