Method of processing cobalt-containing catalysts used in...

Details Method of processing cobalt-containing catalysts used in... Method of processing cobalt-containing catalysts used in...

C - Chemistry, Metallurgy

07

C

252/80, 260/528.

C07C 53/00 (2006.01) B01J 23/94 (2006.01) B01J 31/40 (2006.01) C07C 51/48 (2006.01)

Patent

CA 1178611

ABSTRACT A method is disclosed of processing spent cobalt-containing catalysts for re-use in hydrocarboxylation reactions. The cobalt-containing residue from the reaction mixture is hydrated and the resulting metallic cobalt- containing product is treated with an acid to form a cobalt salt. This salt may, if necessary, be converted to a different salt soluble in the hydro- carboxylation reaction mixture, and is returned to the reaction mixture for re-use.

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