Methods of processing ethanol byproducts and related subsystems

  • US 8,283,484 B2
  • Filed: 05/13/2011
  • Issued: 10/09/2012
  • Est. Priority Date: 08/17/2004
  • Status: Active Grant
First Claim
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1. A method of recovering oil from thin stillage;

  • the method consisting essentially of, in sequence;

    evaporating water from the thin stillage to form a thin stillage concentrate, wherein the thin stillage concentrate has a moisture content of greater than 30% and less than 90% by weight before the recovering step;

    mechanically processing the thin stillage concentrate to separate oil from the thin stillage concentrate;

    recovering the separated oil; and

    drying the thin stillage concentrate to reduce the moisture content in the thin stillage concentrate.

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