Recovery of lactate esters and lactic acid from fermentation broth
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United States of America Patent
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May 11, 1993
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Jun 20, 1991
filing date -
Nov 19, 1990
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Abstract
The production of high purity lactate ester or lactic acid from a concentrated fermentation broth by continuous acidification in the presence of an alcohol diluent with sequential or simultaneous esterification, distillation off of high purity ester, and, if desired, hydrolysis of the ester to high purity lactic acid.
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