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Biomass shock pretreatment

  • US 8,765,429 B2
  • Filed: 03/28/2012
  • Issued: 07/01/2014
  • Est. Priority Date: 03/28/2011
  • Status: Expired due to Fees
First Claim
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1. A method of making a sugar-based product wherein a lignocellulosic or grain-based biomass is pretreated and sugars are extracted, comprising:

  • pretreating the biomass by a process comprising;

    introducing the biomass into a chamber;

    feeding an explodable gaseous mixture into the chamber with the biomass;

    igniting the gaseous mixture in the chamber to detonate it, creating a shock event that produces a shocked biomass;

    transferring the shocked biomass from the chamber;

    converting at least a portion of the shocked biomass into sugars;

    extracting sugars from the shocked, converted biomass; and

    converting at least a portion of the extracted sugars into a sugar-based product.

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