Apparatus for the fluidized catalytic cracking of hydrocarbon fe

Details Apparatus for the fluidized catalytic cracking of hydrocarbon fe Apparatus for the fluidized catalytic cracking of hydrocarbon fe

1981-07-06

1983-07-19

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

208153, 208161, 422144, 422145, 431170, F27B 1508, C10G 3514, C10G 4730

Patent

active

043943497

ABSTRACT:
An apparatus for the fluidized catalytic cracking of a hydrocarbon feedstock comprises a riser reactor and a collar positioned along the same axis as the downstream end of the riser reactor. The collar is further positioned in close proximity to, but not in contact with, the riser reactor such that an annular space is defined between the riser reactor and the collar. The collar has a diameter greater than the diameter of the riser reactor at its downstream end and communicates directly and laterally with the inlets of the cyclone separation system. The riser reactor may or may not include a flow reversal cap to redirect the flow of the hydrocarbons and the catalyst.

REFERENCES:
patent: 3898050 (1975-08-01), Strother
patent: 4289729 (1981-09-01), Myers et al.
patent: 4295961 (1981-10-01), Fahrig et al.
patent: 4310489 (1982-01-01), Fahrig et al.
patent: 4313910 (1982-02-01), Dries et al.

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