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Biochar Production Method and Composition Therefrom

United States Patent Application

*** PATENT GRANTED ***
20110172092
8,398,738
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The invention is directed to a method for producing an oxygenated biochar material possessing a cation-exchanging property, wherein a biochar source is reacted with one or more oxygenating compounds in such a manner that the biochar source homogeneously acquires oxygen-containing cation-exchanging groups in an incomplete combustion process. The invention is also directed to oxygenated biochar compositions and soil formulations containing the oxygenated biochar material.
Lee, James W. (Cockeysville, MD), Buchanan, III, Archibald C. (Knoxville, TN), Evans, Barbara R. (Oak Ridge, TN), Kidder, Michelle K. (Clinton, TN)
UT-BATTELLE, LLC (Oak Ridge TN)
12/ 686,831
January 13, 2010
[0001] This invention was made with government support under Contract Number DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC. The U.S. government has certain rights in this invention.