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Methods and systems for pretreatment and processing of biomass

  • US 20040168960A1
  • Filed: 10/31/2003
  • Published: 09/02/2004
  • Est. Priority Date: 11/01/2002
  • Status: Abandoned Application
First Claim
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1. A system for processing biomass, comprising:

  • a water-impermeable bottom liner;

    a gravel layer supported by the bottom liner;

    a drain pipe disposed within the gravel layer;

    a biomass input device operable to deliver biomass over the gravel layer to form a biomass pile;

    a lime input device operable to deliver lime to the biomass for pretreating the biomass;

    a distribution pipe elevated above the gravel layer; and

    a pump operable to circulate water through the biomass pile by delivering water to the distribution pipe and receiving water from the drain pipe after it has traveled through the biomass pile.

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