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广西某难选低品位铜铅锌银多金属硫化矿为了实现银的高效回收,通过矿石性质研究,采用硫酸铜作为活化剂,用量为100 g/t,丁黄药+丁铵黑药组合作为捕收剂,用量为(80+80)g/t,通过1粗2精2扫全硫浮选闭路试验流程,获得了银品位为8 067.63 g/t、银回收率为93.26%的银精矿,试验指标良好。
In order to achieve high efficiency recovery of silver, a refractory low-grade copper-lead-zinc-silver polymetallic sulfide ore in Guangxi was obtained by using copper sulfate as an activator in an amount of 100 g / t. The combination of butyl yellow + (80 + 80) g / t, a closed-circuit pilot process of full sulfur flotation was conducted by means of a crude 2-precision and 2-flotation process to obtain silver fineness of 8 067.63 g / t and silver recovery of 93.26% Mine, test indicators are good.