Fluidized cracking catalyst regeneration apparatus

Details Fluidized cracking catalyst regeneration apparatus Fluidized cracking catalyst regeneration apparatus

1976-05-07

1977-07-26

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

23288S, 208164, 252417, B01J 824, B01D 1506

Patent

active

040380386

ABSTRACT:
Apparatus for regeneration of spent, coke contaminated fluidized cracking catalyst by burning coke therefrom with a molecular oxygen containing regeneration gas in a fluidized dense phase bed, and for burning substantially all carbon monoxide to carbon dioxide. Means are provided for transferring heat from the top to the bottom of the regeneration apparatus, employing catalyst as the transfer medium. Also, conical standpipe means is provided for deaerating regenerated catalyst.

REFERENCES:
patent: 2397352 (1946-03-01), Hemminger
patent: 2422793 (1947-06-01), McAfee
patent: 2446247 (1948-08-01), Scheineman
patent: 2879145 (1959-03-01), Rice
patent: 3249395 (1966-05-01), Levey
patent: 3903016 (1975-09-01), Owen
patent: 3953175 (1976-04-01), Pulak

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