C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 23/06 (2006.01) C22B 5/08 (2006.01) C22B 5/12 (2006.01) C22B 5/20 (2006.01) C22B 9/05 (2006.01)
Patent
CA 2585541
An improved method of reducing a mixed metal oxide composition comprising oxides of nickel, cobalt, copper and iron in a hydrogen atmosphere to produce a mixture of the respective metals, the improvement wherein the atmosphere further comprises water vapour at a concentration, temperature and time to effect selective reduction of the oxides of nickel cobalt and copper relative to the iron oxide to produce the metallic mixture having a reduced ratio of metallic iron relative to metallic nickel, cobalt and copper.
Curlook Walter
Emmanuel Nanthakumar Victor
Kotvun Sergiy
Olurin Olujide Babatunde
Terekhov Dmitri S.
Chemical Vapour Metal Refining Inc.
Cvmr Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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