Patent ID: 8314274

Claim:
A process for producing diesel boiling point range hydrocarbons from a renewable feedstock comprising: hydrogenating and deoxygenating the renewable feedstock by contacting the feedstock in a hydrogenation and deoxygenation zone with a hydrogenation and deoxygenation catalyst at hydrogenation and deoxygenation conditions to provide a hydrogenation and deoxygenation zone effluent comprising at least n-paraffins; isomerizing and selectively hydrocracking at least a portion of the n-paraffins in the hydrogenation and deoxygenation zone effluent by contacting with an isomerization and selective hydrocracking catalyst at isomerization and selective cracking conditions in an isomerization and selective hydrocracking zone to generate an isomerization and selective hydrocracking zone effluent comprising at least branched-paraffins; selectively separating, in a separation zone, at least a portion of the isomerization and selective hydrocracking zone effluent to provide: a diesel product stream comprising a first portion of the paraffins having boiling points in the diesel boiling point range a recycle stream comprising a second portion of the paraffins having boiling points in the diesel boiling point range wherein the composition of the diesel product stream and the recycle stream are not the same; and at least one overhead stream comprising at least LPG and naphtha; and recycling the recycle stream to the isomerization and selective hydrocracking zone.