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Biomass pretreatment

United States Patent

May 21, 2013
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A method is provided for producing an improved pretreated biomass product for use in saccharification followed by fermentation to produce a target chemical that includes removal of saccharification and or fermentation inhibitors from the pretreated biomass product. Specifically, the pretreated biomass product derived from using the present method has fewer inhibitors of saccharification and/or fermentation without a loss in sugar content.
Hennessey; Susan Marie (Avondale, PA), Friend; Julie (Claymond, DE), Elander; Richard T. (Evergreen, CO), Tucker, III; Melvin P. (Lakewood, CO)
Alliance for Sustainable Energy LLC (Golden, CO), E I du Pont de Nemours and Company (Wilmington, DE)
11/ 843,157
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.