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矿冶:2021,30(5):-
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某复杂含银硫化铜矿综合回收试验研究
(1.金诚信矿山设计研究院;2.西安西北有色地质研究院)
Experimental Study on Comprehensive Recovery of a Complex Silver Bearing Copper Sulfide Ore
Wang Gang1, Zhang Bin1, Yu Yunlong1, Cao Huan2,3,4
(1.JCHX Mine Engineering Design and Research Institute;2.Xi'3.'4.an Northwest Geological Institute Company of Nonferrous Metals Co., Ltd.)
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投稿时间:2020-10-15    修订日期:2020-11-09
中文摘要: 对某复杂含银硫化铜矿进行工艺矿物学分析,研究发现矿石中的有价元素主要有Cu、Ag、S,含量分别为0.81%、7.03g/t、4.28%,主要的金属矿物有磁黄铁矿、黄铜矿、方铅矿和黄铁矿,黄铜矿大部分与磁黄铁矿共伴生于一起,方铅矿主要与黄铜矿共伴生于一起,部分被黄铜矿包裹,银矿物则共伴生于这些金属矿物之间。超过88%的含铜矿物粒度大于0.075mm,其中96.83%的铜以硫化矿形式存在。在此基础上,采用优先选铜-抑铅浮铜-尾矿选硫的工艺,最终共获得两种精矿,铜精矿中Cu、Ag、S的品位分别为25.24%、140.06g/t、34.69%,回收率分别为92.95%、60.39%、24.48%,硫精矿中S的品位为45.18%、回收率为55.53%,实现了矿石中有价元素的综合回收。
Abstract:Process mineralogy analysis of a complex silver bearing copper sulfide ore, It was found that the valuable elements in the ore were mainly Cu、Ag、S, with contents of 0.81%, 7.03g/t and 4.28%. The main metallic minerals in ores are pyrrhotite, chalcopyrite, galena and pyrite. Chalcopyrite is mostly associated with pyrrhotite, galena is mainly associated with chalcopyrite and partly encased in chalcopyrite, and silver minerals are associated with these metallic minerals. More than 88% of the copper ore has a particle size greater than 0.075mm, of which 96.83% copper exists in the form of sulfide ore. Based on this, the ores was used by the technological process of preferential flotation of copper, lead depression and copper flotation and sulphur flotation from tailings. Finally, a total of 2 concentrate products were obtained. In the copper concentrate, the average grades of Cu, Ag and S were 25.24%, 140.06g/t and 34.69% with 92.95%, 60.39% and 24.48% recovery rates. In the sulphur concentrate, the average grades of S were 45.18% with 55.53% recovery rates, and this helped the effective enrichment of all valuable elements in the silver bearing copper sulfide ore.
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王刚,张斌,于云龙,曹欢.某复杂含银硫化铜矿综合回收试验研究[J].矿冶,2021,30(5):.

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