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本专利是关于含铅的多金属矿石的浮选方法,采用不对称的二甲基尿素(CH_3)2N-C(=O)-NH_2作捕收剂,用量为20～60克/吨,对含铅多金属矿石进行浮选,铅的回收率提高9.39～10.64％。
This patent is about the flotation process of lead-bearing polymetallic ores, using asymmetric dimethyl urea (CH 3) 2N-C (= O) -NH 2 as the collector, in an amount of 20-60 g / Lead-bearing polymetallic ore flotation, lead recovery rate increased 9.39 ~ 10.64%.