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APPARATUS AND METHODS FOR TREATING BIOMASS

  • US 20090093028A1
  • Filed: 10/03/2008
  • Published: 04/09/2009
  • Est. Priority Date: 10/05/2007
  • Status: Abandoned Application
First Claim
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10. A method of processing plant biomass, the method comprising:

  • providing plant biomass comprising at least one of;

    cellulose and hemicellulose;

    heating the plant biomass under conditions and for a time sufficient to at least partially depolymerize one or more of;

    the hemicellulose and the cellulose, thereby yielding processed plant biomass;

    wherein the time is at least one minute; and

    wherein the conditions comprise;

    a volume of liquid medium so that the plant biomass is provided in an amount of at least about 0.01% w/v solids up to about 50% w/v solids;

    a temperature of at least about 180°

    C.; and

    pressure of at least about 200 psia.

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