C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 11/06 (2006.01) C25C 1/08 (2006.01) C25C 1/10 (2006.01) C25C 1/12 (2006.01) C25C 7/02 (2006.01)
Patent
CA 2641316
A lead calcium tin alloy to which cobalt has been added is described., The alloy is useful in the formation of anodes to be used in electrowinning cells. Electrowinning cells containing the cobalt alloys are particularly suited for electrowinning metals, such as copper, from sulfuric acid electrolytes. The cobalt-containing anodes improve the efficiency of oxygen evolution at the anode during electrowinning and reduce corrosion of the anode.
La présente invention concerne un alliage de plomb, calcium et étain auquel du cobalt a été ajouté. L'alliage est utile dans la formation d'anodes devant être utilisées dans des cellules d'extraction électrolytique. De telles cellules contenant les alliages de cobalt sont particulièrement adaptées à l'extraction électrolytique de métaux, tels que le cuivre, à partir d'électrolytes à base d'acide sulfurique. Les anodes contenant du cobalt améliorent l'efficacité de l'évolution de l'oxygène au niveau de l'anode lors de l'extraction électrolytique et réduisent la corrosion de l'anode.
David Prengaman R.
Siegmund Andreas
Rsr Technologies Inc.
Smart & Biggar
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