Passivation of metals contaminating a used cracking catalyst wit

Details Passivation of metals contaminating a used cracking catalyst wit Passivation of metals contaminating a used cracking catalyst wit

1978-07-25

1980-12-09

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208120, 208121, 208 52CT, 208113, 252411R, 252456, 423446, C10G 1102, C10G 1118

Patent

active

042383625

ABSTRACT:
A used cracking catalyst is treated with antimony carbonate and its thio analogues to passivate contaminating metals whenever these metals have been deposited on the catalyst.

REFERENCES:
patent: 2129693 (1938-09-01), Houdry
patent: 2229992 (1941-01-01), Schmidt
patent: 3506567 (1970-04-01), Barger et al.
patent: 3711422 (1973-01-01), Johnson et al.
patent: 3756989 (1973-09-01), Ventura et al.
patent: 3979472 (1976-09-01), Butter
patent: 4025458 (1977-05-01), McKay
patent: 4031002 (1977-06-01), McKay
patent: 4036740 (1977-07-01), Readal et al.
patent: 4083807 (1978-04-01), McKinney et al.
patent: 4111845 (1978-09-01), McKay

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