Process for hydrocracking and catalytic dewaxing

Details Process for hydrocracking and catalytic dewaxing Process for hydrocracking and catalytic dewaxing

C - Chemistry, Metallurgy

10

G

196/85

C10G 47/16 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1268439

- 1 - Abstract: A method for selectively increasing production of jet fuel, distillate or heavy fuel oil in a fuels refinery involves combining hydrocracking and catalytic dewaxing. It includes the steps of: hydrocracking the feedstock in a hydrocracking unit operating at a space velocity of about 0.25 to about 3 LHSV, a temperature of about 500° to about 850°F, a hydrogen partial pressure of about 500 to about 3000 psig and a hydrogen feed rate of about 500 to about 20,000 SCF/bbl of said feedstock, thereby producing a hydrocracked product; distilling the hydrocracked product to recover a first hydrocarbon stream having a selected range of boiling points, a naphtha stream and a distillate stream; and catalytically dewaxing the first hydrocarbon stream at a space velocity of about 0.5 to about 10 LHSV, temperature of about 400 to about 850°F, hydrogen partial pressure of about 50 to about 2500 psig and hydrogen feed rate of about 500 to about 10,000 SCF/bbl of the first stream, thereby forming a product stream having a desired fluidity specification.

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