Passivating metals on cracking catalysts

Details Passivating metals on cracking catalysts Passivating metals on cracking catalysts

1978-12-15

1980-01-15

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 208114, 252439, 252456, C10G 1102, B01J 824

Patent

active

041838033

ABSTRACT:
Metals such as nickel, vanadium and iron contaminating a cracking catalyst are passivated by contacting the cracking catalyst under elevated temperature conditions with antimony selenide, antimony sulfide, antimony sulfate, bismuth selenide, bismuth sulfide, or bismuth phosphate.

REFERENCES:
patent: 2129693 (1938-09-01), Houdry
patent: 2645605 (1953-07-01), Lang et al.
patent: 3417157 (1968-12-01), Pollitzer
patent: 3711422 (1973-01-01), Johnson et al.
patent: 3977963 (1976-08-01), Readal et al.
patent: 4025458 (1977-05-01), McKay
patent: 4036740 (1977-07-01), Readal et al.

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