Flotation studies of copper ore Majdanpek to enhance copper recovery and concentrate grade with different collectors

Journal of Mining and Metallurgy Section A Mining Pub Date : 2019-01-01 DOI:10.5937/jmma1901053s

J. Sokolović, R. Stanojlović, L. Andric, Z. Štirbanović, N. Ćirić

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引用次数: 2

Abstract

This paper presents the results of mineralogical and flotation studies on the copper ore from the deposit „North Revir“ in the Copper Mine Majdanpek, using different collectors. XRD and ore mineralogical analysis showed that the most common minerals are pyrite and chalcopyrite. Chemical analysis confirm that it is a complex low-grade copper ore with average copper content of 0,273%. The content of precious metals (Au and Ag) was 0.2 g/t and 1.2 g/t, respectively. The main aim of flotation studies have been the effect of collector type on the recovery and concentrate grade in the copper flotation process. Various collectors and combinations of them were used in the rough flotation tests of copper ore. The copper recovery was in the range from 79.43% (test no. 4) to 84.96% (test no. 7). The best flotation results were obtained with mixture collectors of sodium isopropyl xanthate (Z11), dialkyl dithiophosphinates (Aerophine 3404) and SKIK BZ 2000. The collector’s dosages of 20 g/t Z11, 8 g/t AP3404 and 8 g/t SKIK BZ 2000 produced the copper recovery (84.96 %) with copper concentrate grade of 1.52%

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不同捕收剂对马伊丹佩克铜矿提高铜回收率和精矿品位的浮选研究

采用不同的捕收剂对马伊丹佩克铜矿“North Revir”矿床的铜矿石进行了矿物学和浮选研究。XRD和矿石矿物学分析表明，矿石中最常见的矿物为黄铁矿和黄铜矿。化学分析证实为复杂低品位铜矿石，平均铜含量为0.273%。贵金属(Au和Ag)的含量分别为0.2 g/t和1.2 g/t。浮选研究的主要目的是在铜浮选过程中，捕收剂类型对回收率和精矿品位的影响。采用多种捕收剂及其组合对某铜矿石进行粗浮选试验，铜回收率为79.43%(试验号为70.43%)。4)至84.96%(试验号:采用异丙基黄药钠(Z11)、二烷基二硫代膦酸盐(Aerophine 3404)和SKIK BZ 2000混合捕收剂浮选效果最佳。捕收剂Z11用量为20 g/t、AP3404用量为8 g/t、skk BZ 2000用量为8 g/t时，铜回收率为84.96%，铜精矿品位为1.52%

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Journal of Mining and Metallurgy Section A Mining

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4 weeks