Production of diesel fuel from biorenewable feedstocks

Details Production of diesel fuel from biorenewable feedstocks Production of diesel fuel from biorenewable feedstocks

2011-08-16

2011-08-16

Bhat, N. (Department: 1771)

Chemistry of hydrocarbon compounds

Production of hydrocarbon mixture from refuse or vegetation

C585S242000, C585S266000, C585S638000

Reexamination Certificate

active

07999142

ABSTRACT:
A process has been developed for producing diesel boiling range fuel from renewable feedstocks such as plant oils and animal oils, fats, and greases. The process involves treating a renewable feedstock by hydrogenating and deoxygenating i.e. decarboxylating, decarbonylating, and/or hydrodeoxygenating to provide a hydrocarbon fraction useful as a diesel boiling range fuel or diesel boiling range fuel blending component. If desired, the hydrocarbon fraction can be isomerized to improve cold flow properties. A portion of the hydrogenated and deoxygenated feedstock is selectively separated and then recycled to the treatment zone to increase the hydrogen solubility of the reaction mixture.

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English Translation FI 100248B.
PCT International Search Report and Written Opinion for PCT/US2008/075070 dated Jan. 30, 2009; 7 pages.

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