Analyzing the corrosion characteristics of anodes used for the sulphur acidic waste water treatment
Gvozdenović, Milica M.
Stevanović, Jasmina S.
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This paper addresses on investigation the possibility of electrolytic treatment the sulphur acidic waste solution, obtained in the conventional electrolytic copper refining process. The copper anodes with non-standard nickel, lead, tin and antimony content were specially prepared for the refining process. Nickel content of all anodes was approximately 7.5 mass %, and the content of lead, tin and antimony was varied. It was observed, that anodes with O2 content lower than 200 ppm, were not passivated. Results, obtained using the standard electrochemical techniques, have indicated that the anodes with non-standard chemical composition could be used under the same conditions as well as in the conventional copper refining process.
Keywords:non-standard copper anodes / electrorefining / sulphur acidic waste solution / alloying elements
Source:Proceedings of the 38th International Conference of Slovak Society of Chemical Engineering, 2011, 972-975
- Tatranské Matliare : Slovak Society of Chemical Engineering