Passivation of FCC catalysts

Details Passivation of FCC catalysts Passivation of FCC catalysts

1984-12-27

1986-07-22

Dixon, Jr., William R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 502521, C10G 1105

Patent

active

046018158

ABSTRACT:
This invention is directed to a method of using tin to passivate cracking catalysts contaminated with vanadium. The improvement resides in the use of tin alone without the need for synergists such as antimony, phosphorus, and/or sulfur compounds.

REFERENCES:
patent: 4101417 (1978-07-01), Mitchell et al.
patent: 4255287 (1981-03-01), Bertus et al.
patent: 4324648 (1982-04-01), Roberts et al.
patent: 4326990 (1982-04-01), Mark et al.
patent: 4466884 (1984-08-01), Occelli et al.
patent: 4489169 (1984-12-01), Bertus et al.

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