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Biochar production method and composition therefrom

United States Patent

8,398,738
March 19, 2013
View the Complete Patent 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
20110172092
January 13, 2010
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.