Journal article
Electrochemical oxidation of iron (II) ions on lead alloy anodes
Hydrometallurgy, Vol.131-132, pp.81-88
2013
Abstract
The anodic oxidation of iron(II) ions on Pb-Ca-Sn anodes in sulphate solutions has been studied using cyclic voltammetry and potentiostatic methods. The oxidation of iron(II) on these anodes does not occur on a lead sulphate surface but occurs readily on a lead dioxide surface. The rate of the oxidation of iron(II) at the anodes is controlled by mass transport to the anode surface. Chemical reaction between iron(II) and PbO2 on the surface of the anodes is rapid. In the presence of manganese ions, oxidation of iron(II) also occurs on the surface of manganese oxides which can also rapidly oxidise iron(II). The presence of iron(II) in the electrolyte will increase the rate of "sulfation" of anodes during power disruptions in copper tankhouses. Limited experiments with a Pb-Ag anode showed very similar results.
Details
- Title
- Electrochemical oxidation of iron (II) ions on lead alloy anodes
- Authors/Creators
- V. Tjandrawan (Author/Creator)M.J. Nicol (Author/Creator)
- Publication Details
- Hydrometallurgy, Vol.131-132, pp.81-88
- Publisher
- Elsevier BV
- Identifiers
- 991005544037107891
- Copyright
- © 2012 Elsevier B.V
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.210 Corrosion & Deposition Chemistry
- 2.210.2222 Lead-Acid Battery
- Web Of Science research areas
- Metallurgy & Metallurgical Engineering
- ESI research areas
- Materials Science