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METHOD AND APPARATUS FOR THE HEAT TREATMENT OF A CELLULOSIC FEEDSTOCK UPSTREAM OF HYDROLYSIS

  • US 20110011391A1
  • Filed: 07/16/2010
  • Published: 01/20/2011
  • Est. Priority Date: 07/17/2009
  • Status: Abandoned Application
First Claim
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1. A method for preparing a cellulosic feedstock for hydrolysis in a hydrolysis chamber, the method comprising:

  • a) introducing the cellulosic feedstock into a longitudinally extending treatment chamber having an inner surface;

    b) operating the treatment chamber at a pressure comparable to the pressure in the hydrolysis chamber and at a fill volume less than 50% whereby the treatment chamber has an upper open portion;

    c) projecting a portion of the cellulosic feedstock into the upper open portion of the treatment chamber while conveying the cellulosic feedstock longitudinally through the treatment chamber; and

    ,d) heating the cellulosic feedstock as it is conveyed through the chamber.

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