白云鄂博尾矿优先浮选稀土的试验研究  

Experimental Study on the Preferential Flotation of Rare Earth from Bayan Obo Tailings

作　　者：李梅[1,2] 张栋梁[1,2] 柳召刚[1,2] 高凯[1,2] 韩超[1,2] 郭财胜 

机构地区：[1]内蒙古科技大学材料与冶金学院,内蒙古包头014010 [2]内蒙古自治区稀土现代冶金新技术与应用重点实验室,内蒙古包头014010

出　　处：《有色金属（选矿部分）》2014年第5期58-61,共4页Nonferrous Metals（Mineral Processing Section）

基　　金："十二五"国家科技支撑计划项目(2012BAE01B01);国家高技术研究发展计划(863计划)项目(2012AA061904);国家杰出青年基金资助项目(51045216);国家重点基础研究发展计划(973计划)项目(2011CB411911)

摘　　要：对白云鄂博尾矿进行了优先浮选稀土的试验研究。在磨矿细度-74μm占97%以上和最优的浮选药剂制度下,采用"一次粗选、三次精选、三次扫选"的闭路浮选流程从白云鄂博尾矿中回收稀土。试验获得了稀土品位为2.35%、回收率91.28%的稀土精矿,同时试验所产生的浮选尾矿中稀土含量仅为0.70%,得到了良好的技术指标。Preferential flotation test was conducted on Bayan Obo tailings to recover rare earth. When the tailings was ground at 97% below 74 μm and the optimal reagent system was selected, rare earth was recycled from tailings by adopting the closed-circuit flowsheet of one roughing, three cleaning and three scavenging. The rare earth concentrate was obtained with grade and recovery of 2.35% and 91.28% respectively, and the rare earth content in the tailings was only 0.70%, good results was achieved.

关 键 词：白云鄂博尾矿 稀土精矿 优先浮选 

分 类 号：TD955[矿业工程—选矿]