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Process for converting lignins into a high octane additive

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
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The invention includes a process for converting biomass into C.sub.7-C.sub.10 alkylbenzenes useful as blending components for petroleum or petroleum derived fuels. The process includes a base catalyzed depolymerization of lignin within the biomass, followed by hydroprocessing of the depolymerized lignin to C.sub.7-C.sub.10 alkylbenzenes. The C.sub.7-C.sub.10 alkylbenzenes are useful for enhancing the octane level of petroleum or petroleum-derived fuels, such as gasoline. In addition, the C.sub.7-C.sub.10 alkylbenzenes are useful as intermediates in the production of numerous organic chemicals.
Shabtai, Joseph S. (Salt Lake City, UT), Zmierczak, Wlodzimierz W. (Salt Lake City, UT), Chornet, Esteban (Sherbrooke, CA), Johnson, David (Denver, CO)
09/ 972,461
October 5, 2001
[0001] The United States Government has rights in this invention under Contract No. DE-AC36-99GO10337 between the United States Department of Energy and the National Renewable Energy Laboratory, a Division of the Midwest Research Institute.