Process for recovering lactic acid from solutions which contain it
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Dec 19, 1989
filing date -
Dec 22, 1988
priority date (Note) -
Expired
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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.
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