Passivation of metal contaminants on cracking catalyst

Details Passivation of metal contaminants on cracking catalyst Passivation of metal contaminants on cracking catalyst

1981-01-19

1982-11-30

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 52CT, 208113, 208120, 252411R, B01J 2938, B01J 2120, C10G 1105, C10G 1104

Patent

active

043614965

ABSTRACT:
A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a methane gas at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone.

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Oil & Gas Journal--5/15/72--vol. 70; No. 20; pp. 112-122, "Deposited Metals Poison FCC Catalysts"--Cimbalo et al.

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