FCC process and apparatus for cooling FCC catalyst during regene

Details FCC process and apparatus for cooling FCC catalyst during regene FCC process and apparatus for cooling FCC catalyst during regene

1993-11-30

1995-04-25

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

16510416, 208113, 208164, 422144, 422146, 422147, 502 41, B01J 3832, B01J 826, C10G 4730, F28D 1300

Patent

active

054098726

ABSTRACT:
A process and apparatus for fluidized catalytic cracking (FCC) with cooling of FCC catalyst during regeneration in a baffled heat exchanger attached to the regenerator. The heat exchanger has a vertical baffle defining an inlet and an outlet side. Lift gas added to the outlet side induces flow from the regenerator, around the baffle and back to the regenerator. A symmetrical design, with reversing flow can equalize wear on heat exchanger tubes and permit selected cooling if the heat exchanger outlet is near the regenerated catalyst outlet.

REFERENCES:
patent: 2492948 (1950-01-01), Berger
patent: 4989669 (1991-02-01), Barnes
patent: 5120691 (1992-06-01), Pontier
patent: 5128292 (1992-07-01), Lomas
patent: 5198194 (1993-03-01), Owen et al.
patent: 5273107 (1993-12-01), Lomas

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