Catalytic production of metal carbonyls from metal oxides

Details Catalytic production of metal carbonyls from metal oxides Catalytic production of metal carbonyls from metal oxides

1984-01-06

1984-10-09

Kaplan, G. L.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C01G 104

Patent

active

044761031

ABSTRACT:
This invention relates to the formation of metal carbonyls from metal oxides and specially the formation of molybdenum carbonyl and iron carbonyl from their respective oxides. Copper is used here in admixed form or used in chemically combined form as copper molybdate. The copper/metal oxide combination or combined copper is utilized with a solvent, such as toluene and subjected to carbon monoxide pressure of 25 atmospheres or greater at about 150.degree.-260.degree. C. The reducing metal copper is employed in catalytic concentrations or combined concentrations as CuMoO.sub.4 and both hydrogen and water present serve as promoters. It has been found that the yields by this process have been salutary and that additionally the catalytic metal may be reused in the process to good effect.

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Hagen, et al., "High-Pressure Reactions of Small Covalent Molecules, Synthesis of Transition-Metal Cabonyls from Metal Oxides", Inorganic Chemistry, 17, No. 5, 1369, (1978).
Zelikman, et al., "The Reduction of Carbon of Kinetics of Calcium and Molybdate and an Isomorphous Mixture of These", Izv. Akad. Nauk SSSR, Neorgan. Mater., 2, 2204, (1966).

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