Catalytic cracking process

Details Catalytic cracking process Catalytic cracking process

1980-10-27

1982-08-24

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 208153, 208164, 252417, 252418, C10G 4700, C10G 4724, B01J 3712, B01J 3718

Patent

active

043459927

ABSTRACT:
In a cracking process wherein used catalyst is regenerated, contacted with reducing gas to counter effects of contaminating metals, and recycled to the cracking zone, the improvement comprising using a gas seal to assure that a major portion of the unconsumed reducing gas is also passed into the cracking zone.

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patent: 2684927 (1954-07-01), Bergstrom
patent: 2694036 (1954-11-01), Myers
patent: 2741603 (1956-04-01), Fahnestock
patent: 2880170 (1959-03-01), Savoca et al.
patent: 2922757 (1960-01-01), Oliver et al.
patent: 3030300 (1962-04-01), Flanders et al.
patent: 3247100 (1966-04-01), Haddad
patent: 3652231 (1972-03-01), Greenwood et al.

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