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The role of trivalent antimony was investigated in removing As, Sb, and Bi impurities from a copper electrolyte. Purification experiments were carried out by adding a various concentrations of Sb(III) ions in a synthetic electrolyte containing 185 g/L sulfuric acid, 45 g/L Cu2+, 10 g/L As, and 0.5 g/L Bi under stirring at 65°C for 2 h. The electrolyte was filtered, and the structure, morphology and...
A synthetic copper electrolyte containing Cu 2+ , H 2 SO 4 , As(III), Sb(V) and Bi(III) ions was purified at 65°C and 300rpm stirring for 2h. It was found that the removal rates of As, Sb and Bi reached 40.6%, 82% and 43.3%, respectively in this electrolyte. The electrolyte was filtered and the precipitate structure, morphology and composition were analyzed by means of chemical...
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