赞比亚某冶炼铜渣的综合利用  

Comprehensive Utilization of Copper Slag from a Smelting Plant in Zambia

作　　者：袁喜振 尹明水 单志强 Yuan Xizhen;Yin Mingshui;Shan Zhiqiang(Non-ferrous Corporation Africa Mining Public Limited Company,Kitwe,Zambia;Solvay Cytec industries in Shanghai,Shanghai,China;Liuzhou Vocational&Technical College,School of Environmental and Food Engineering,Guilin,Guangxi,China)

机构地区：[1]中国有色矿业集团非洲矿业有限公司,赞比亚基特韦22592 [2]索尔维氰特化工(上海)有限公司,上海201108 [3]柳州职业技术学院环境与食品工程学院,广西桂林541004

出　　处：《矿产综合利用》2021年第2期49-51,43,共4页Multipurpose Utilization of Mineral Resources

摘　　要：赞比亚某地堆存大量的火法冶炼铜渣,含铜品位约为2.12%,主要以硫化铜、金属铜的形式存在。为了减少资源的浪费,充分利用这部分资源,进一步提高经济效益,对铜渣进行了常规的浮选实验优化。结果表明:在磨矿细度-0.074 mm 75%,石灰用量为500 g/t、硫化钠用量为200 g/t、丁黄用量为90 g/t、2^(#)油用量为25 g/t的条件下,按照一粗-两精-两扫、中矿依序返回的浮选闭路流程,获得了含铜品位28.64%、铜回收率91.28%的铜精矿。There are lots of copper smelting slags in stock in Zambia.The grade of copper is about 2.12%.It was constituted by the type of copper sulfide and single copper.In order to reduce the waste of resources,make full use of these resources and further improve economic benefits,the conventional flotation test optimization of copper slag was carried out..The result shows that under the grinding fineness of-0.074 mm accounting for 75%,lime dosage of 500 g/t,sodium sulfide dosage of 200 g/t,butyl yellow dosage of 90 g/t and 2#oil dosage of 25 g/t,the copper concentrate with copper grade of 28.64%and copper recovery of 91.28%was obtained by the closed-circuit flotation process of one roughing two cleaning two scavenging and middling ore returning in sequence.

关 键 词：含铜废渣 浮选 回收率 资源利用 

分 类 号：TD989[矿业工程—选矿]