General Electric Global Research has been developing technology for converting biological oils to transportation fuels since 2007. Beginning with crop oils, GE developed a process that consists of three major unit operations: hydrotreating, hydrocracking/isomerizing and distillation. Hydrotreatment of Refined, Bleached, and Deoderized (RBD) grade oil removes oxygen and saturates any double bonds in the triacylglycerol, producing long n-alkanes, propane, and byproducts such as water. The n-alkanes are subjected to hydrocracking/isomerization conditions, producing a range of i- and n-alkanes that are typically in the naphtha, kerosene, and diesel fuel ranges. Upon distillation, the kerosene fraction can be used as a jet fuel, known as Hydrotreated Renewable Jet (HRJ). HRJ is a mixture of i-, n-, and cyclo-alkanes. To meet the current specification for jet fuel, HRJ has to be blended with a feedstock that contains aromatics. This work was partially supported by DOE DE-FE0001888 and HR0011-09-C-0075.

Jet fuel from biologically-derived triacylglycerol oils

240th National Meeting (2010)

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