Passivation process

Details Passivation process Passivation process

1980-05-19

1982-03-16

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 46, 208520CT, 208106, 208108, 208118, 208119, 208120, 252412, 252414, 252420, 252437, C10G 1118, C10G 4712

Patent

active

043199836

ABSTRACT:
A passivation process for decreasing the poisonous effects from contamination by metals, such as vanadium, iron, nickel or copper that can occur during a catalytic conversion of a hydrocarbon feedstock containing such metals is disclosed. The process employs compositions of organic or aqueous media containing one or more, at least partially soluble species of silicon, alone or in combination with phosphorus and/or aluminum-containing materials or species.

REFERENCES:
patent: 2579123 (1951-12-01), Pardee
patent: 2758097 (1956-08-01), Doherty et al.
patent: 2850462 (1958-09-01), Plank
patent: 2921018 (1960-01-01), Helmers et al.
patent: 4098678 (1978-07-01), Schwarzenbek
patent: 4101444 (1978-07-01), Burk et al.
patent: 4198320 (1980-04-01), Chester et al.

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