Immobilization of vanadia deposited on catalytic materials durin

Details Immobilization of vanadia deposited on catalytic materials durin Immobilization of vanadia deposited on catalytic materials durin

1981-04-28

1983-03-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 208113, 252411R, 252456, C10G 1104

Patent

active

043774709

ABSTRACT:
A process is disclosed for catalytic cracking a hydrocarbon oil feed having significant vanadium content to produce lighter products. The catalyst, from the cracking step, coated with coke and vanadium in an oxidation state less than +5, is regenerated in the presence of an oxygen-containing gas at a temperature high enough to burn off a portion of the coke under conditions keeping the vanadium in an oxidation state less than +5.

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Shankland and Schmitkons, "Determination of Activity and Selectivity of Cracking Catalyst", Proc. API 27 (III) 1947, pp. 57-77.

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