Fluidized catalytic cracking process and apparatus

Details Fluidized catalytic cracking process and apparatus Fluidized catalytic cracking process and apparatus

C - Chemistry, Metallurgy

10

G

196/162

C10G 11/18 (2006.01) B01J 8/00 (2006.01)

Patent

CA 1229812

"FLUIDIZED CATALYTIC CRACKING PROCESS AND APPARATUS" ABSTRACT A process and an apparatus for the fluidized catalytic cracking of hydrocarbons are disclosed. A small vent conduit extends upward out of the flow diversion device mounted on the top of the riser reactor. This vent conduit preferably carries between about 2 and 10 percent of the vapor and catalyst leaving the top of the riser upward into the upper portion of the receiving vessel. This reduces coke deposits in the upper portion of the vessel. The remainder of the vapors and catalyst are preferably directed downward upon leaving the top of the riser.

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