Immobilization of vanadia deposited on catalytic materials...

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

C - Chemistry, Metallurgy

10

G

196/97

C10G 11/05 (2006.01) C10G 11/18 (2006.01)

Patent

CA 1174192

IMMOBILIZATION OF VANADIA DEPOSITED ON CATALYTIC MATERIALS DURING CARBO-METALLIC OIL CONVERSION Abstract A process is disclosed for catalytic cracking a hydro- carbon oil feed having a 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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