Process for the reduction of the effect of contaminant metals in

Details Process for the reduction of the effect of contaminant metals in Process for the reduction of the effect of contaminant metals in

1981-06-18

1983-08-23

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252439, B01J 2916, B01J 3720

Patent

active

044003072

ABSTRACT:
The deleterious effects of contaminant metals present in feeds to a catalytic cracker can be reduced to a greater extent than that obtainable with conventionally practiced passivation techniques utilizing antimony treated catalysts by pretreating the catalyst with hydrogen sulfide.

REFERENCES:
patent: 3239451 (1966-03-01), Young
patent: 3471412 (1969-10-01), Miale et al.
patent: 4257919 (1981-03-01), Roberts et al.

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