Extraction of organic acids from aqueous solutions

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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562582, 562589, C07C 59265

Patent

active

043340954

ABSTRACT:
Organic acids, such as citric acid, malic acid and lactic acid, can be extracted from aqueous solutions thereof by contacting such solutions with a mixture of a water immiscible amine and a water immiscible organic acid dissolved in a suitable water immiscible solvent.

REFERENCES:
patent: 3944606 (1976-03-01), Rieger et al.
patent: 4082788 (1978-04-01), Mims

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