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本文在分析常规铜电积法缺点的基础上,利用电位—pH图讨论了铜的SO_2电积法的有关理论问题,确认把阳极反应改成SO_2氧化使槽电压降低一半的节能电积新工艺是可行的。
Based on the analysis of the shortcomings of the conventional copper electrowinning method, the theoretical problem of copper SO_2 electrowinning method is discussed based on the potential-pH diagram, and the new energy-saving electrowinning process that changes the anode reaction to SO_2 oxidation to reduce the tank voltage by half It works.