Process for the recovery of organic acids and ammonia from their

Details Process for the recovery of organic acids and ammonia from their Process for the recovery of organic acids and ammonia from their

1996-04-29

1998-09-29

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

204527, 204530, 204534, 204536, 204537, 204538, 210259, 210630, 210637, 210638, 210641, 210651, 435137, 435140, 435144, 435800, C12P 740, C12P 756, B01D 6100, B01D 1504

Patent

active

058144986

ABSTRACT:
A process recovers organic acid and ammonia from their salts preferably obtained from microbial fermentation of a saccharide in a nutrient. The fermented materials is passed through a nanofiltration or a chelating resin ion-exchange bed or a combination of both a nanofilter and a chelating resin ion-exchange bed in order to reduce divalent or multivalent metal contaminants. Then, the filtered material is processed in a multi compartment electrodialysis containing bipolar and anion membranes.

REFERENCES:
patent: 5681728 (1997-10-01), Miao et al.

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