Immobilization of vanadia deposited on sorbent materials...

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

C - Chemistry, Metallurgy

10

G

196/208, 196/228

C10G 25/00 (2006.01) C10G 25/09 (2006.01)

Patent

CA 1175375

ABSTRACT A process is disclosed for the treatment of a hydro- carbon oil feed having a significant content of vanadium to provide a higher grade of oil products by contacting the feed under treatment condition in a treatment zone with sorbent material. Treatment conditions are such that coke and vanadium in an oxidation state less than +5 are deposi- ted on the sorbent in the treatment zone. Coked sorbent is regenerated in the presence of an oxygen containing gas at a temperature sufficient to remove the coke and under condi- tions keeping vanadium in an oxidation state less than +5 and regenerated sorbent is recycled to the treatment zone for contact with fresh feed.

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