METHOD OF PREPARING HYDROFORMYLATION CATALYSTS Russian patent published in 1999 - IPC

Abstract RU 2131771 C1

FIELD: petrochemistry and hydrogenation catalysts. SUBSTANCE: catalyst is prepared via interaction of aqueous solutions of C_1-3-organic acid cobalt salts with higher organic acids formed in the course of regeneration of acetic acid cobalt salt and having boiling temperature above 160 C at 50-200 mm Hg. Solution is pretreated with air or oxygen-containing gas at 80-140 C for 3-6 hr. EFFECT: reduced cost due to utilization of hydroformylation bottom residue according to simplified technology. 5 ex

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RU 2 131 771 C1

Authors

Khvorov A.P.

Gavrilova V.M.

Gvozdovskij G.N.

Shmelev R.A.

Dates

1999-06-20—Published

1998-04-01—Filed