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ENZYMATIC PRODUCTION OF ALCOHOL ESTERS FOR RECOVERY OF DIOLS PRODUCED BY FERMENTATION

  • US 20140178529A1
  • Filed: 02/28/2014
  • Published: 06/26/2014
  • Est. Priority Date: 06/18/2010
  • Status: Abandoned Application
First Claim
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1. A method for recovering a diol from a fermentation process comprising:

  • a) providing a fermentation medium or fermentation product broth containing a diol;

    b) contacting the diol in the fermentation medium or fermentation product broth with at least one carboxylic acid and at least one catalyst capable of esterifying the carboxylic acid with the diol to form diol esters of the carboxylic acid in the presence of an organic solvent which is present at a concentration sufficient to produce a two-phase mixture;

    c) separating the diol ester-containing organic phase from the aqueous phase; and

    d) hydrolyzing the diol ester into carboxylic acid and diol; and

    e) recovering the diol.

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