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Biomass treatment method

United States Patent

October 26, 2010
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A method for treating biomass was developed that uses an apparatus which moves a biomass and dilute aqueous ammonia mixture through reaction chambers without compaction. The apparatus moves the biomass using a non-compressing piston. The resulting treated biomass is saccharified to produce fermentable sugars.
Friend; Julie (Claymont, DE), Elander; Richard T. (Evergreen, CO), Tucker, III; Melvin P. (Lakewood, CO), Lyons; Robert C. (Arvada, CO)
E. I. du Pont de Nemours and Company (Wilmington, DE), Alliance For Sustainable Energy LLC (Golden, CO)
11/ 843,142
August 22, 2007
STATEMENT OF GOVERNMENT RIGHTS This invention was made with United States Government support under Contract Nos. 04-03-CA-70224 and DE-FC36-03GO13146 awarded by the Department of Energy. The government has certain rights in this invention.