浮选—磁选联合工艺处理新疆某铜镍矿

Treatment of a Copper Nickel Ore in Xinjiang by Flotation-Magnetic Separation Combined Process

以新疆某硫化铜镍矿为研究对象,采用铜优先浮选—铜优先浮选铜精矿磁选—铜优先浮选尾矿铜镍混合浮选联合流程,最终得到Cu品位25.43%、回收率52.08%、Ni品位0.19%、MgO含量2.32%的铜精矿和镍品位3.57%、镍回收率81.55%、含铜2.53%的铜镍混合精矿;全流程铜总回收率90.77%,镍总回收率82.10%。结果表明,该流程具有铜精矿品位高、镍损失率低、铜镍回收率高的优点。

A copper nickel sulfide ore in Xinjiang is taken as the research object,the combined process of copper selective flotation-magnetic separation of copper concentrate-copper/nickel bulk flotation of tailings for selective flotation was adopted to finally obtain a copper concentrate with Cu grade of 25.43%,recovery of 52.08%,Ni grade of 0.19%,MgO content of 2.32%and a copper nickel mixed concentrate with nickel grade of 3.57%,recovery of 81.55%and copper content of 2.53%;The total recovery of copper and nickel in the whole process is 90.77%and 82.10%.The results show that the process has the advantages of high grade of copper concentrate,low nickel loss rate and high copper nickel recovery rate.