The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.

研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.

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The research results of recovering copper by electrowinning from concentrated cyanide solution were described.

叙述了从富集氰化废液中电解回收铜的试验研究结果.

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Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously.

传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.

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The power consumption in process of traditional zinc electrowinning effects directly ( production ) cost of electrolytic zinc.

传统的湿法炼锌过程中,电积能耗直接影响冶炼的生产成本.

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The new technology of production of Zn powder by alkaline leaching and electrowinning is described.

介绍碱浸-电解湿法直接生产金属锌粉的新工艺.

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