Passivation of metal contaminants on cracking catalyst

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

1980-11-21

1982-12-21

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 52CT, 208113, 208120, 252411R, 252416, B01J 2938, B01J 2120, C10G 1118, C10G 1105

Patent

active

043648487

ABSTRACT:
A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone.

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Deposited Methls Poison Fee Catalysts, by R. N. Cimbhlo et al., Oil & Gas Journal-5/15/72-, vol. 70, No. 20, pp. 112-122.

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