Process for recovering cobalt carbonyl catalysts used in the...

Details Process for recovering cobalt carbonyl catalysts used in the... Process for recovering cobalt carbonyl catalysts used in the...

B - Operations, Transporting

01

J

B01J 31/40 (2006.01) B01J 31/20 (2006.01) C07F 15/06 (2006.01)

Patent

CA 2192263

The present invention relates to a process for recovering the cobalt carbonyl catalyst used, in which a water-soluble cobalt salt is first prepared by addition of acid and this is subsequently precipitated as cobalt hydroxide. This cobalt hydroxide is then reacted with the N-acyl-.alpha.-amino acid derivative for whose preparation the cobalt carbonyl catalyst is intended, and the resulting cobalt-containing melt is converted into the cobalt carbonyl catalyst in the presence of a mixture of carbon monoxide and hydrogen.

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