Process of extracting oil from thin stillage

  • US 10,035,973 B2
  • Filed: 06/20/2014
  • Issued: 07/31/2018
  • Est. Priority Date: 06/24/2013
  • Status: Active Grant
First Claim
Patent Images

1. A process of recovering oil, comprising:

  • (a) converting a starch-containing material into dextrins with an alpha-amylase;

    (b) saccharifying the dextrins using a carbohydrate source generating enzyme to form a sugar;

    (c) fermenting the sugar in a fermentation medium into a fermentation product using a fermenting organism;

    (d) recovering the fermentation product to form a whole stillage;

    (e) separating the whole stillage into thin stillage and wet cake;

    (e′

    ) optionally concentrating the thin stillage into syrup; and

    (f) recovering oil from the thin stillage and/or optionally the syrup, wherein a bacterial or fungal protease is present and/or added during steps (d)-(e′

    ).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×