Passivation of metals on cracking catalysts with an antimony tri

Details Passivation of metals on cracking catalysts with an antimony tri Passivation of metals on cracking catalysts with an antimony tri

1978-07-25

1980-02-26

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208119, 252430, 252439, 252456, 260446, C10G 916, C10G 1106, C07F 990

Patent

active

041905520

ABSTRACT:
A hydrocarbon cracking catalyst is treated with an antimony tris (hydrocarbyl sulfide) to passivate thereon contaminating metals, e.g., vanadium, iron, and/or nickel. Used or unused catalyst can be treated.

REFERENCES:
patent: 2129693 (1938-09-01), Houdry
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: 4031002 (1977-06-01), McKay
patent: 4036740 (1977-07-01), Readal et al.
patent: 4111845 (1978-09-01), McKay
Brill & Campbell, "Arsenites and Antimonites II," Inorganic Chemistry 12(8), 1884-1888 (1973).

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