C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 7/00 (2006.01) C10G 49/22 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2138691
An integrated three-column process for recovering hydrocarbon distillate products from a hydroprocessing or hydrocracking reactor effluent stream and a hydrocarbon distillate product recovery train are disclosed. According to the present recovery process, an effluent stream from the cracking reactor is cooled and separated into light and heavy phase streams. The heavy phase stream is depressurized and stripped of light end components in a steam stripping column. The light phase stream is further cooled to separate a liquid stream which is combined with the light ends from the stripper and fed to a debutanizer. A C4-rich light end stream taken overhead from the debutanizer is condensed to produce LPG product stream(s). A C4-lean heavy end stream removed from the bottoms of the debutanizer is combined with a heavy end bottoms stream from the stripper and fed to a fractionator for fractionation into product distillate streams such as light and heavy naphtha, jet fuel, diesel oil, and the like. A heavy oil bottoms stream recovered from the fractionator is recycled back to the cracking reactor.
Goebel Kenneth William
Hunter Michael Glenn
Kirby Eades Gale Baker
The M.w. Kellogg Company
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