Method of regenerating catalyst in a swirl type regenerator cont

Details Method of regenerating catalyst in a swirl type regenerator cont Method of regenerating catalyst in a swirl type regenerator cont

1976-10-20

1977-07-19

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

23288B, 23288S, 208120, 208164, B01J 2120, B01J 2938, C10G 1118

Patent

active

040367797

ABSTRACT:
A regenerator design and method are provided which rely upon a segmented regeneration gas distributor grid to vary regeneration gas flow upwardly through the bed of catalyst above. The design includes an expanding annular section formed by a curved vertically extending baffle positioned adjacent and downstream of the catalyst tangential inlet and a radical dilute phase baffle extending from slightly beneath the bed surface to above the cyclone inlets. The width of the dilute phase baffle is from the wall of the regenerator to the center thereof, and beyond the rim of the catalyst outlet. Further, all cyclone diplegs between the outlet and inlet should be positioned to discharge tangentially to the swirl.

REFERENCES:
patent: 3846280 (1974-11-01), Owen et al.
patent: 3904548 (1975-09-01), Fagan et al.

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