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Process for treating biomass

United States Patent

November 3, 2015
View the Complete Patent at the US Patent & Trademark Office
This invention is directed to a process for treating biomass. The biomass is treated with a biomass swelling agent within the vessel to swell or rupture at least a portion of the biomass. A portion of the swelling agent is removed from a first end of the vessel following the treatment. Then steam is introduced into a second end of the vessel different from the first end to further remove swelling agent from the vessel in such a manner that the swelling agent exits the vessel at a relatively low water content.
Campbell; Timothy J. (East Lansing, MI), Teymouri; Farzaneh (Okemos, MI)
14/ 391,481
April 24, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Cooperative Agreement No. DE-EE0005071 awarded by the United States Department of Energy. The Government has certain rights in the invention.