| 含金、银低品位铅锌硫化矿综合回收试验研究 |
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| 引用本文： | 田树国,崔立凤.含金、银低品位铅锌硫化矿综合回收试验研究[J].有色金属(选矿部分),2017(1):35-39,59. |
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| 作者姓名： | 田树国 崔立凤 |
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| 作者单位： | 1.紫金矿业集团股份有限公司；2.低品位难处理黄金资源综合利用国家重点实验室,1.紫金矿业集团股份有限公司；2.低品位难处理黄金资源综合利用国家重点实验室 |
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| 摘 要： | 针对某低品位铅锌硫多金属硫化矿石的性质特点,经过浮选工艺小型试验研究,采用粗磨—全硫混合浮选—混合精矿再磨—铅锌(硫)分离的原则流程,能获得较好的技术指标。最终获得含铅58.48%,含锌5.62%,含金15.97 g/t,含银12 896.75 g/t,铅回收率77.18%,金回收率35.23%,银回收率80.46%的铅精矿;含铅0.13%,含锌57.85%,含金0.87 g/t,含银196.79 g/t,锌回收率88.95%的锌精矿;含金3.91 g/t,硫42.36%,金、硫回收率分别为46.41%和59.15%的硫精矿,实现了资源综合回收,从而为合理开发该矿石资源提供了依据。
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| 关 键 词： | 方铅矿 闪锌矿 混合浮选 优先浮选 |
| 收稿时间： | 2016/8/31 0:00:00 |
| 修稿时间： | 2016/9/2 0:00:00 |
Experimental study on comprehensive recovery of low grade lead zinc sulfide ores containing gold and silver |
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| Authors: | TIan Shuguo and Cui li feng |
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| Abstract: | In view of a certain low-grade Pb-Zn poly-metallic sulfide ore nature characteristic, based on the small experimental research of flotation technology, a principled flowsheet of primary?grinding-bulk flotation-regrinding of rough concentrate-separation of Pb and Zn( S) is selected.The experimental research indicates that lead concentrate is 58.48% in lead grade, 5.62% in zinc grade, 15.97g/t in gold grade,12896.75g/t in silver grade,77.18% in lead recovery, 35.23% in gold recovery, 80.46% in silver recovery, zinc concentrate is 0.13% in lead grade, 57.85% in zinc grade, 0.87g/t in gold grade, 196.79g/t in silver grade , 88.95% in zinc recovery, and pyrite concentrate is 3.91g/t in gold grade, 42.36% in pyrite grade, 46.41% in gold recovery, 59.15% in pyrite recovery. In this way, resources can be recovered significantly.These may provide a basis for the proper development and utilization of resources in this district. |
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