Passivation of metals contaminating a cracking catalyst with an

Details Passivation of metals contaminating a cracking catalyst with an Passivation of metals contaminating a cracking catalyst with an

1979-10-09

1981-04-21

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 48AA, 208113, 252411R, 252437, 252456, C10G 1105, C10G 916, C10G 3714

Patent

active

042631319

ABSTRACT:
A cracking catalyst is treated with an antimony tris(dihydrocarbyl phosphite) to passivate contaminating metals whenever these metals have been deposited on the catalyst. Unused or used catalyst can be treated. A process for cracking a hydrocarbon, e.g., a petroleum oil with such a catalyst is also disclosed.

REFERENCES:
patent: 2921018 (1960-01-01), Helmers et al.
patent: 3711422 (1973-01-01), Johnson et al.
patent: 4025458 (1977-05-01), McKay
patent: 4111845 (1978-09-01), McKay
patent: 4148712 (1979-04-01), Nielsen et al.
patent: 4148714 (1979-04-01), Nielsen et al.
patent: 4153536 (1979-05-01), McKay

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