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METHOD AND SYSTEM FOR FRACTIONATION OF LIGNOCELLULOSIC BIOMASS

  • US 20110100359A1
  • Filed: 09/29/2010
  • Published: 05/05/2011
  • Est. Priority Date: 09/29/2009
  • Status: Active Grant
First Claim
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1. A method of fractionating lignocellulosic biomass material comprising:

  • feeding the biomass into a devolatilization reactor to remove volatile components of the biomass;

    feeding the prepared biomass into a hemicellulose hydrolysis reactor to separate and hydrolyze hemicellulose;

    separating the biomass into a first solid component and a liquid component, wherein the liquid component includes hydrolyzed hemicellulose in water or solvent and wherein the solid component includes cellulose and lignin and has less than about 10% hemicellulose;

    feeding the solid component into a cellulose hydrolysis reactor comprising a continuous superheated steam reactor to hydrolyze and vaporize the cellulose component; and

    condensing the vaporized cellulose.

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