Passivation of metals on cracking catalyst with a crude antimony

Details Passivation of metals on cracking catalyst with a crude antimony Passivation of metals on cracking catalyst with a crude antimony

1979-03-15

1980-06-10

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 48AA, 208 52CT, 208114, 252417, 252437, 252464, 260446, 423617, B01J 2120, B01J 2718, C10G 916, C10G 1106

Patent

active

042072042

ABSTRACT:
A hydrocarbon cracking catalyst is treated with a crude antimony tris(O,O-dihydrocarbyl phosphorodithioate) to passivate thereon contaminating metals, e.g., vanadium, iron and/or nickel. Used or unused catalyst can be treated.

REFERENCES:
patent: 2921018 (1960-01-01), Helmers et al.
patent: 3506567 (1970-04-01), Barger et al.
patent: 3711422 (1973-01-01), Johnson et al.
patent: 4025458 (1977-05-01), McKay
patent: 4031002 (1977-06-01), McKay
patent: 4036740 (1977-07-01), Readal et al.
patent: 4111845 (1978-09-01), McKay

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