摘要
安徽某铜金铁矿含Cu、Au、Fe分别为2.09%、3.86g/t、24.60%,通过对原矿性质进行分析,确定采用优先浮选铜金银-磁选铁的工艺流程。试验确定的最佳工艺条件为:磨矿细度为-74μm粒级占90%,采用BK-404与1801组合作为捕收剂,通过闭路试验可以获得含Cu23.23%、Au40.81g/t、Ag91.50g/t的铜金银混合精矿,铜、金、银回收率分别达到了95.72%、89.45%与87.79%;同时获得了Fe品位66.90%、Fe回收率26.71%的铁精矿,实现了该矿石的充分回收与利用。
A polymetallic mine contains Cu 2.09%、Au 3.86 g/t and Fe 24.60%respectively in Anhui province,by analyzing the properties of the ore,a technological process of selective flotation of copper,gold and silver,then iron minerals recovered from sulfur tailing by magnetic separation was adopted.The optimum process conditions are as follows:the grinding fineness is 90%--74μum and the collector combination of BK-404 and 1801 is used.Copper-gold-silver mixed concentrate with Cur grade of 23.23%,Aur grade of 40.81 g/t,Ag-grade of 91.50 g/t can be obtained by closed-circuit tests and their recoveries are 95.72%,89.45%and 87.79%respectively.At the same time,an iron concentrate containing 66.90%Fe with recovery of 26.71%was obtained,realizing the full recovery and utilization of the ore.
作者
杜淑华
潘邦龙
夏亮
朱国庆
吴磊
DU Shuhua;PAN Banglong;XIA Liang;ZHU Guoqing;WU Leil(Institute of Geological Ex periments of Anhui Province,Hefei 230001,China;School of Environment and Energy Engineering,Anhui Jianzhu University,Hefei 230061,China)
出处
《有色金属（选矿部分）》
CAS
北大核心
2020年第5期47-52,共6页
Nonferrous Metals（Mineral Processing Section）
基金
安徽省自然科学基金(1708085MD90)
安徽省高校自然科学基金重点项目(KJ2017A500)
重要矿产资源节约集约利用监测与技术推广项目(121102000000160001)。
关键词
浮选
铜金铁多金属矿
组合捕收剂
flotation
Cu-Au Fe polymetallic ore
combined collectors
