Papers by Keyword: Copper Electrowinning

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Authors: Xue Tao Yuan, Xu Dong Lv, Zhi Qiang Hua, Lei Wang, Tao Li
Abstract: Anodic polarization behavior of ternary alloy Pb-0.08%Ca-1%Sn is studied by potentiodynamic polarization measurements, corrosion rate, the products on electrode surface after polarization, and microstructure of anode mud after polarization in electrowinning cell. The results show that Pb-Ca-Sn anode is easy to be passivated in electrolyte for copper electrowinning, the maintaining passivity current density is 97.72 µA•cm-2 and the corrosion products on the surface of Pb-Ca-Sn electrode present loose scaly, being composed of α-PbO2, β- PbO2 and PbSO4 after polarization.
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