Cracking catalysts

Details Cracking catalysts Cracking catalysts

1979-08-13

1981-04-21

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455R, 252455Z, 208120, B01J 2116, B01J 2702, B01J 2906

Patent

active

042631726

ABSTRACT:
Prevention of detrimental effects of metals such as nickel, vanadium and iron on the activity of cracking catalysts is achieved by contacting the cracking catalyst with manganese selenide. The modifying treatment of the catalyst with manganese selenide increases octane rating of the gasoline produced.

REFERENCES:
patent: 3583903 (1971-06-01), Miale et al.
patent: 3772185 (1973-11-01), Chang et al.
patent: 4045331 (1977-08-01), Ward
patent: 4178267 (1979-12-01), McKay

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