Process for recovering lactic acid from solutions which contain

Details Process for recovering lactic acid from solutions which contain Process for recovering lactic acid from solutions which contain

1989-12-19

1992-02-18

Evans, J. E.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5142

Patent

active

050896644

ABSTRACT:
Process for extracting lactic acid from aqueous acidic media is disclosed which process includes treatment with a complexing macrocyclic octol and organic solvent immiscible with water, separating the organic phase containing the lactic acid-macrocyclic octol complex thereby formed, which releases the lactic acid by treatment with alkaline water or with methanol.

REFERENCES:
patent: 1906068 (1933-04-01), Jenemann
patent: 2092494 (1937-09-01), Bass
patent: 3980702 (1976-09-01), Grinstead

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