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本文通过理论分析,提出以锌焙砂为原料的常规两段浸出湿法炼锌工艺中,制约铜回收率提高的主要因素是浸出液中Cu~(2+)的再次水解沉淀,并通过试验验证了这一结论。
Based on the theoretical analysis, the paper puts forward that the main factor that restricts the increase of copper recovery rate is the rehydrolysis precipitation of Cu ~ (2+) in the leachate in the conventional two-stage wet leaching process using zinc calcine as the raw material, This conclusion.