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REMOVAL OF INHIBITORY COMPOUNDS DURING PRE-TREATMENT OF LIGNOCELLULOSIC BIOMASS

  • US 20100181034A1
  • Filed: 01/15/2010
  • Published: 07/22/2010
  • Est. Priority Date: 01/16/2009
  • Status: Active Grant
First Claim
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1. A process for pretreatment of a lignocellulosic biomass, comprising the steps of:

  • exposing the lignocellulosic biomass to steam in an exposing step in a treatment vessel at an elevated temperature and an elevated pressure for a preselected exposure time; and

    purging inhibitory compounds from the treatment vessel at user selected times.

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