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Process for concentrated biomass saccharification

United States Patent

October 5, 2010
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Processes for saccharification of pretreated biomass to obtain high concentrations of fermentable sugars are provided. Specifically, a process was developed that uses a fed batch approach with particle size reduction to provide a high dry weight of biomass content enzymatic saccharification reaction, which produces a high sugars concentration hydrolysate, using a low cost reactor system.
Hennessey; Susan M. (Avondale, PA), Seapan; Mayis (Landenberg, PA), Elander; Richard T. (Evergreen, CO), Tucker; Melvin P. (Lakewood, CO)
E. I. du Pont de Nemours and Company (Wilmington, DE), Alliance for Sustainable Energy LLC (Golden, CO)
11/ 843,114
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.