Process for producing a middle distillate

Details Process for producing a middle distillate Process for producing a middle distillate

2011-04-12

2011-04-12

Dang, Thuan Dinh (Department: 1771)

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

C585S725000, C585S727000, C585S728000

Reexamination Certificate

active

07923593

ABSTRACT:
A process for producing a middle distillate or a middle distillate blending component, comprising contacting a feed comprising an olefin, an isoparaffin, and less than 5 wt % oligomerized olefin, in an ionic liquid alkylation zone with an acidic haloaluminate ionic liquid, at alkylation conditions; and recovering an effluent comprising an alkylated product that has greater than 35 vol % C10+ and less than 1 vol % C55+. Also processes for producing a middle distillate by alkylating isobutane and butene in the presence of defined chloroaluminate ionic liquid catalysts, wherein a separating step separates the middle distillate and wherein the middle distillate is from 20 wt % or higher of the total alkylate product. Also a process for producing middle distillate with FC cracker feed comprising olefins. A separated middle distillate has greater than 30 vol % C10+, less than 1 vol % C55+, and a cloud point less than −50° C.

REFERENCES:
patent: 4423277 (1983-12-01), Stroud
patent: 6121396 (2000-09-01), Sone et al.
patent: 2006/0100473 (2006-05-01), Grootjans et al.
patent: 2007/0142690 (2007-06-01), Elomari

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