Hydrocracking process for biological feedstocks and hydrocarbons produced therefrom
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United States of America Patent
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Jun 28, 2011
Grant Date -
Feb 25, 2010
app pub date -
Aug 21, 2008
filing date -
Aug 21, 2008
priority date (Note) -
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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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