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Low oxygen biomass-derived pyrolysis oils and methods for producing the same

United States Patent

August 27, 2013
View the Complete Patent at the US Patent & Trademark Office
Low oxygen biomass-derived pyrolysis oils and methods for producing them from carbonaceous biomass feedstock are provided. The carbonaceous biomass feedstock is pyrolyzed in the presence of a catalyst comprising base metal-based catalysts, noble metal-based catalysts, treated zeolitic catalysts, or combinations thereof to produce pyrolysis gases. During pyrolysis, the catalyst catalyzes a deoxygenation reaction whereby at least a portion of the oxygenated hydrocarbons in the pyrolysis gases are converted into hydrocarbons. The oxygen is removed as carbon oxides and water. A condensable portion (the vapors) of the pyrolysis gases is condensed to low oxygen biomass-derived pyrolysis oil.
Marinangeli; Richard (Arlington Heights, IL), Brandvold; Timothy A. (Arlington Heights, IL), Kocal; Joseph A. (Glenview, IL)
UOP LLC (Des Plaines, IL)
12/ 707,433
February 17, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made under the partial support of the United States Government, United States Department of Energy under Award No. DE-FG36-08GO18213. The United States Government has certain rights in the invention.