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本文选用已大量生产的选矿药剂 C_(7～9)氧肟酸的煤油溶液,从湿法炼锌流程中进行萃取回收锗的研究。试验表明在氧肟酸浓度1.5%以上锗的萃取率已近完全。
In this paper, the kerosene solution of C_ (7 ~ 9) hydroxamic acid, which has been mass-produced, has been selected to recover germanium from the wet-process zinc smelting process. Tests show that the extraction rate of germanium is almost complete at a hydroxamate concentration of 1.5%.