Three-stage catalyst regeneration

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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Details

110345, 110347, 208148, 208164, 252411S, 252418, 252419, 422142, 422144, 423239, B01J 2938, B01J 2120, C10G 1118, C01B 2100

Patent

active

043258336

ABSTRACT:
Coke-containing catalyst is regenerated in a three-stage system to provide complete coke removal while avoiding carbon monoxide and nitrogen oxides contamination of the flue gas formed in burning the coke.

REFERENCES:
patent: 2454373 (1948-11-01), Blanding
patent: 3902990 (1975-09-01), Lukenbach
patent: 3909392 (1975-09-01), Horecky, Jr. et al.
patent: 3926843 (1975-12-01), Owen
patent: 4064039 (1977-12-01), Penick
patent: 4115251 (1978-09-01), Flanders et al.
patent: 4180454 (1979-12-01), Luckenbach
patent: 4199435 (1980-04-01), Chessmore et al.

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