Process for cracking high-boiling hydrocarbons using continuous

Details Process for cracking high-boiling hydrocarbons using continuous Process for cracking high-boiling hydrocarbons using continuous

1983-03-11

1985-01-29

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Metal contaminant passivation

502 29, B01J 3300, B01J 2100

Patent

active

044966652

ABSTRACT:
A process for economically converting carbo-metallic oils to lighter products. The carbo-metallic oils contain 650.degree. F.+ material which is characterized by containing material which will not boil below about 1025.degree. F., a carbon residue on pyrolysis of at least about 2, and a nickel plus vanadium content of at least about 4 parts per million. This process comprises adding an additive to the feedstock consisting of a compound containing titanium, zirconium, or aluminum so as to restore cracking activity of high metal contaminated and deactivated, zeolite containing catalysts, resulting from processing of these carbo-metallic oils.

REFERENCES:
patent: 3354078 (1967-11-01), Miale et al.
patent: 3696025 (1972-10-01), Chessmore et al.
patent: 4337144 (1982-06-01), Yoo
patent: 4421637 (1983-12-01), Grenoble et al.

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