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Methane generation from waste materials

United States Patent

March 23, 2010
View the Complete Patent at the US Patent & Trademark Office
An organic solid waste digester for producing methane from solid waste, the digester comprising a reactor vessel for holding solid waste, a sprinkler system for distributing water, bacteria, and nutrients over and through the solid waste, and a drainage system for capturing leachate that is then recirculated through the sprinkler system.
Samani; Zohrab A. (Las Cruces, NM), Hanson; Adrian T. (Las Cruces, NM), Macias-Corral; Maritza (Las Cruces, NM)
Arrowhead Center, Inc. (Las Cruces, NM)
11/ 373,739
March 9, 2006
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Grant No. 2001-35501-10100 awarded by the U.S. Department of Agriculture/CSREES and Grant No. DE-FC04-AL6743 awarded by the U.S. Department of Energy.