Moving bed catalyst regeneration apparatus with integral CO...

Details Moving bed catalyst regeneration apparatus with integral CO... Moving bed catalyst regeneration apparatus with integral CO...

2011-03-15

2011-03-15

Silverman, Stanley (Department: 1736)

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

C502S038000, C502S039000, C502S042000, C502S045000, C502S050000, C422S233000

Reexamination Certificate

active

07906448

ABSTRACT:
A combination of moving bed regeneration technology and CO oxidation technology is used in a novel moving bed regeneration apparatus containing an integral CO oxidation zone to solve the problem of regenerating a coke-containing catalyst that does not contain a CO oxidation promoter without generating an effluent flue gas stream containing hazardous and undesired amounts of CO. The CO oxidation zone is located in the flue gas collection zone within the moving bed regeneration apparatus and functions autogenously to eliminate the CO hazard by oxidizing CO to CO2with a portion of the unreacted oxygen withdrawn from the coke combustion zone of the moving bed regeneration apparatus.

REFERENCES:
patent: 4010094 (1977-03-01), McKinney
patent: 4977119 (1990-12-01), Koves
patent: 5053371 (1991-10-01), Williamson

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