Chemistry of hydrocarbon compounds – Production of hydrocarbon mixture from refuse or vegetation
Reexamination Certificate
2011-06-28
2011-06-28
Griffin, Walter D (Department: 1774)
Chemistry of hydrocarbon compounds
Production of hydrocarbon mixture from refuse or vegetation
C044S307000, C044S308000, C044S605000, C208S049000
Reexamination Certificate
active
07968757
ABSTRACT:
A process for hydrocracking biomass, and the hydrocarbons produced therefrom. A feed stream having free fatty acids, fatty acid esters, or combinations thereof is contacted with a first catalyst under hydrogen pressure and heat. The hydrocarbon product stream which is comprised predominantly of n-paraffins is separated into heavy and light fractions. The heavy fraction is contacted with a second catalyst under hydrogen pressure and heat to produce an effluent stream which is combined with the light n-paraffin fraction to form a unique middle distillate product useful as a diesel or jet fuel.
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Abhari Ramin
Havlik Peter
Jannasch Nathan
Tomlinson Lynn
Griffin Walter D
Hall Estill Law Firm
McCaig Brian
Syntroleum Corporation
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