C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
C25C 5/02 (2006.01)
Patent
CA 2574863
This invention relates to a system and method for producing a metal powder product using conventional electrowinning chemistry (i.e., oxygen evolution at an anode) in a flow-through electrowinning cell. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes and/or direct electrowinning.
L'invention concerne un système et un procédé pour produire une poudre de métal au moyen d'un procédé chimique traditionnel d'électro-extraction (c'est-à-dire de l'évolution d'oxygène sur une anode) dans une cellule d'électro-extraction à écoulement continu. La présente invention permet de produire des poudres métalliques de qualité élevée, y compris la poudre de cuivre, à partir de solutions contenant des métaux, au moyen de processus traditionnels d'électro-extraction et/ou par électro-extraction directe.
Gilbert Stanley R.
Marsden John O.
Robinson Timothy G.
Sandoval Scot P.
Stevens Antonioni C.
Freeport-Mcmoran Corporation
Gowling Lafleur Henderson Llp
Phelps Dodge Corporation
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