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Pretreated densified biomass products

  • US 8,673,031 B2
  • Filed: 08/24/2010
  • Issued: 03/18/2014
  • Est. Priority Date: 08/24/2009
  • Status: Active Grant
First Claim
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1. A product comprising:

  • at least one densified biomass particulate having no added binder and comprised of a plurality of plant biomass fibers completely coated with lignin, with at least some of the plurality of biomass fibers also coated with hemicellulose and containing trace amounts of ammonia, wherein the at least one densified biomass particulate has an intrinsic density substantially equivalent to a binder-containing densified biomass particulate and has a substantially smooth, non-flakey outer surface, further wherein the at least one densified biomass particulate has an increased resistance to deformation, an increased resistance to degradation, an improved shelf life, or a combination thereof, and is at least 21% harder with at least 20% less variability in hardness as compared to the binder-containing densified biomass particulate.

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