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首页> 外文会议>International mineral processing congress;IMPC 2010 >PROCESS STUDY ON SOME AG-CU-PB-ZN POLYMETALLIC ORE IN SOUTH CHINA
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PROCESS STUDY ON SOME AG-CU-PB-ZN POLYMETALLIC ORE IN SOUTH CHINA

机译：华南部分AG-CU-PB-ZN多金属矿的过程研究

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摘要

The ores of Ag-Cu-Pb-Zn polymetallic ore in South China have variety of valuable metallic elementssuch as siver, copper, lead and zinc, etc. The main recoverable target minerals are galena, sphalerite,chalcopyrite, native siver, acanthite, which are finely disseminated within the grain size range of0.01 ～ 0.16 mm, especially for galena and chalcopyrite, the fractions less than 0.02 mm account foraround 30 per cent, therefore fine grinding is needed for the optimum liberation of them. And thepolymetallic ores have high silver dispersivity, and the gangue minerals are mainly feldspar, quartz,calcite.Based on the process mineralogy research and the characteristics of ores, a rational process flowsheet applied is ‘Cu-Pb bulk flotation-- zinc flotation of the bulk flotation tailing, Cu-Pb separationafter the regrinding of Cu-Pb bulk concentrate’. For the raw ores containing Cu 0.18 per cent, Pb1.08 per cent, Zn 0.87 per cent, Ag 156.7 g/t, the copper concentrate obtained contains Cu 23.08 percent and Ag 8872 g/t with Cu recovery 62.91 per cent and silver recovery 27.02 per cent; the leadconcentrate obtained contains Pb 45.33 per cent and silver 3953 g/t with Pb recovery 71.10 per centand Ag recovery 42.54 per cent; the zinc concentrate contains Zn 47.46 per cent and Ag 438 g/t withzinc recovery 62.21 per cent and Ag recovery 3.17 per cent. The total recovery of silver is 72.73 percent. The beneficiation indexes obtained for Cu, Pb, Zn and silver are good.
机译：华南地区的Ag-Cu-Pb-Zn多金属矿石具有多种有价值的金属元素，例如：银，铜，铅和锌等。主要可回收目标矿物为方铅矿，闪锌矿，黄铜矿，天然银，钙钛矿，其中在0.01〜0.16 mm的粒径范围内可以很好地散布，特别是方铅矿和黄铜矿，小于0.02 mm的碎屑占30％左右，因此需要进行细磨以使其最佳释放。并且多金属矿石具有较高的银分散性，脉石矿物主要是长石，石英，方解石。基于工艺矿物学研究和矿石的特性，合理的工艺流程是采用'Cu-Pb浮选-锌浮选'。浮选尾矿，铜-铅块精矿再磨后分离铜-铅'。对于含Cu 0.18％，Pb1.08％，Zn 0.87％，Ag 156.7 g / t的原矿，所得铜精矿含Cu 23.08％和Ag 8872 g / t，Cu回收率62.91％，银回收率27.02％;得到的铅精矿含铅量为45.33％，银为3953 g / t，铅的回收率为71.10％，银的回收率为42.54％；锌精矿含锌47.46％，银438 g / t，锌回收率62.21％，银回收率3.17％。银的总回收率为72.73％。铜，铅，锌和银的选矿指标良好。

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  • 会议地点 Brisbane(AU);Brisbane(AU)
  • 作者

    X Xu; L Wang; C Luo; X He; X Zhou;

  • 作者单位

    Guangzhou Research Institute of Nonferrous Metals 363 Changxing Road Tianhe District Guangzhou 510651 China. Email: conggan65@163.com;

    Guangzhou Research Institute of Nonferrous Metals 363 Changxing Road Tianhe District Guangzhou 510651 China. Email: wanglieve@126.com;

    Guangzhou Research Institute of Nonferrous Metals 363 Changxing Road Tianhe District Guangzhou 510651 China. Email: 11208208@163.com;

    Guangzhou Research Institute of Nonferrous Metals 363 Changxing Road Tianhe District Guangzhou 510651 China. Email: hxjgd@163.net;

    Guangzhou Research Institute of Nonferrous Metals 363 Changxing Road Tianhe District Guangzhou 510651 China. Email: zxtonghao@126.com;

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  • 关键词

    Ag-Cu-Pb-Zn polymetallic ore; ; flotation; ; Cu-Pb bulk flotation; ; regrinding; ; Cu-Pb separation;

    机译：银-铜-铅-锌多金属矿; ;浮选; Cu-Pb浮选； ;再研磨;铜铅分离;

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