Recovery of cadmium from hydrometallurgical zinc smelter ...
3.4. Cadmium electrolysis. Cadmium was then electrolytically deposited on aluminium cathodes in cells with insoluble Pb anodes (International Symposium on Hydrometallurgy 1973). Electrolysis was performed in cells identical to zinc electrolysis at 2.3 volts and with a current density of 50–60 A/m 2. Purified cadmium sulphate solution was ...
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