Mesh-on-lead anodes for copper electrowinning

Mesh-on-lead anodes for copper electrowinning

The main technological advantages of a MOL anode come from the electro-catalytic coating on the titanium mesh. The coating has a lower overpotential for the evolution of oxygen than the lead dioxide formed on the Pb-Ca-Sn anodes.5 This advantage is clearly seen in Figure 2, where plots of cell volta...

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Veröffentlicht in:JOM (1989) 2003-07, Vol.55 (7), p.46-48
Hauptverfasser: Moats, Michael, Hardee, Kenneth, Brown, Carl
Format: Artikel
Sprache:eng
Schlagworte:
Cobalt
Copper
Corrosion
Efficiency
Electrodes
Electrolytes
Laboratories
Lead
Metallurgy
Sludge
Titanium
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Zusammenfassung:The main technological advantages of a MOL anode come from the electro-catalytic coating on the titanium mesh. The coating has a lower overpotential for the evolution of oxygen than the lead dioxide formed on the Pb-Ca-Sn anodes.5 This advantage is clearly seen in Figure 2, where plots of cell voltage versus current density from short-term laboratory experiments for MOL and Pb-Ca-Sn anodes in commercial copper electrowinning electrolyte are presented.
ISSN:1047-4838
1543-1851
DOI:10.1007/s11837-003-0125-8