Fluid catalytic cracking apparatus

Details Fluid catalytic cracking apparatus Fluid catalytic cracking apparatus

1986-08-19

1988-02-16

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422146, 55208, B01J 828

Patent

active

047254084

ABSTRACT:
Apparatus for catalytic cracking of a selected portion of a hydrocarbon feedstock comprising a riser reactor and a catalyst regenerator, a regenerated catalyst cooler, and an absorber. Regenerated catalyst from the catalyst regenerator is conducted through the catalyst cooler into the absorber where it adsorbs hydrocarbon cracking feedstock and then returned to the riser reactor. A duct carries part of the hot regenerated catalyst from the catalyst regenerator directly to the riser reactor to supply heat for cracking the hydrocarbon feedstock.

REFERENCES:
patent: 2403375 (1946-07-01), Kassel
patent: 2710827 (1955-06-01), Gornowski
patent: 2879232 (1959-03-01), Malo et al.
patent: 2965454 (1960-12-01), Harper
patent: 3825501 (1974-07-01), Muenger
patent: 4310489 (1982-01-01), Fahrig et al.
patent: 4356082 (1982-10-01), Gross
patent: 4379123 (1983-04-01), Davidur et al.

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