Vanadium passivation in a hydrocarbon catalytic cracking process

Details Vanadium passivation in a hydrocarbon catalytic cracking process Vanadium passivation in a hydrocarbon catalytic cracking process

1985-10-30

1987-11-17

Chaudhuri, Olik

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 69, 502250, 502521, 208113, 208120, B01J 2906

Patent

active

047074612

ABSTRACT:
Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive e.g. calcium corbonate dolomite and amorphous as a vanadium passivating calcium silicate agent.

REFERENCES:
patent: 3409541 (1968-11-01), Flanders et al.
patent: 3699037 (1972-10-01), Annesser et al.
patent: 4280895 (1981-07-01), Stuntz et al.
patent: 4481101 (1984-11-01), Yan

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