C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/02 (2006.01) C22B 3/04 (2006.01) C22B 3/20 (2006.01) C22B 11/00 (2006.01) C22B 15/00 (2006.01) C25C 1/00 (2006.01)
Patent
CA 2712274
The present invention relates, generally, to a method and apparatus for recovering metal values from a metal-bearing materials, and more specifically, a process for recovering copper and other metals through leaching, electrowinning using the ferrous/ferric anode reaction, and the synergistic addition of ferrous iron to the leach step.
La présente invention concerne généralement un procédé et un appareil de récupération de valeurs de métal depuis un matériau métallifère et, plus spécifiquement, un procédé de récupération du cuivre et d'autres métaux par lixiviation, par extraction électrolytique par réaction d'anode ferreuse/ferrique, et par l'ajout synergique de fer ferreux à l'étape de lixiviation.
Gillaspie James D.
Marsden John O.
Wilmot John C.
Freeport-Mcmoran Corporation
Gowling Lafleur Henderson Llp
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