Process for extracting vanadium from deactivated catalysts

Details Process for extracting vanadium from deactivated catalysts Process for extracting vanadium from deactivated catalysts

B - Operations, Transporting

01

J

53/142, 53/303,

B01J 23/94 (2006.01) C22B 23/00 (2006.01) C22B 34/22 (2006.01)

Patent

CA 1110221

A B S T R A C T A process for recovering vanadium from a deactivated catalyst, in which process a catalyst which has become deactiv- ated in the catalytic hydrotreatment of a vanadium-containing hydrocarbon oil is treated with steam under specified con- ditions followed by extraction with an aqueous solution of a mineral acid, after which vanadium is isolated from the vana- dium-containing solution thus obtained.

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