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Process for producing ethanol from corn dry milling

  • US 20060127999A1
  • Filed: 01/24/2006
  • Published: 06/15/2006
  • Est. Priority Date: 03/11/1999
  • Status: Active Grant
First Claim
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1. A process for the production of an ester of acetic acid, comprising:

  • a. conducting a yeast fermentation in a corn preparation to produce ethanol;

    b. distilling the ethanol from the yeast fermentation to produce a bottoms fraction;

    c. hydrolyzing the bottoms fraction;

    d. separating the hydrolyzed bottoms fraction into a solids fraction and a liquid hydrolyzate;

    e. culturing a homofermentative microorganism in the liquid hydrolyzate to produce acetate, acetic acid or mixtures thereof; and

    f. chemically converting the acetate, acetic acid or mixtures thereof to an ester of acetic acid.

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