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Method for creating high carbon content products from biomass oil

United States Patent

8,333,949
December 18, 2012
View the Complete Patent at the US Patent & Trademark Office
In a method for producing high carbon content products from biomass, a biomass oil is added to a cracking reactor vessel. The biomass oil is heated to a temperature ranging from about 100.degree. C. to about 800.degree. C. at a pressure ranging from about vacuum conditions to about 20,700 kPa for a time sufficient to crack the biomass oil. Tar is separated from the cracked biomass oil. The tar is heated to a temperature ranging from about 200.degree. C. to about 1500.degree. C. at a pressure ranging from about vacuum conditions to about 20,700 kPa for a time sufficient to reduce the tar to a high carbon content product containing at least about 50% carbon by weight.
Parker; Reginald (Durham, NC), Seames; Wayne (Grand Forks, ND)
University of North Dakota (Grand Forks, ND)
12/ 800,449
May 14, 2010
STATEMENT OF GOVERNMENT INTEREST This invention was made with government support under Grant No. DE-FG02-06ER46292 awarded by the United States Department of Energy. The government may have certain rights in the invention.