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Process for the treatment of lignocellulosic biomass

United States Patent

March 12, 2013
View the Complete Patent at the US Patent & Trademark Office
A process for the treatment of biomass to render structural carbohydrates more accessible and/or digestible using concentrated ammonium hydroxide with or without anhydrous ammonia addition, is described. The process preferably uses steam to strip ammonia from the biomass for recycling. The process yields of monosaccharides from the structural carbohydrates are good, particularly as measured by the enzymatic hydrolysis of the structural carbohydrates. The monosaccharides are used as animal feeds and energy sources for ethanol production.
Dale; Bruce E. (Mason, MI), Lynd; Lee R. (Meriden, NH), Laser; Mark (Norwich, VT)
Board of Trustees of Michigan State University (East Lansing, MI)
12/ 226,763
April 30, 2007
STATEMENT REGARDING GOVERNMENT RIGHTS This application was funded by the Department of Energy under Government Contract No. XCO-3-33033-01. The U.S. Government has certain rights to this invention