四川某低品位硫化铜镍矿选矿试验研究

四川某低品位铜镍矿含铜0.18%、含镍0.43%，脉石以蛇纹石、滑石类的含镁矿物为主。在对矿石进行充分的工艺矿物学研究的基础上，针对性地选用脉石矿物的有效抑制剂WL-001，在实验室不预先脱泥的条件下，采用1粗2扫4精铜镍混浮、1粗1扫3精铜镍分离、中矿顺序返回闭路流程处理该矿石，可以获得铜品位20.11%、含镍0.67%、铜回收率55.86%的铜精矿和镍品位5.57%、含铜0.60%、镍回收率73.96%的镍精矿。

Experimental Study on a Low Grade Copper-nickel ore from Sichuan

A low grade copper-nikel ore in sichuan contains Cu 0.18%，Ni 0.43%.Gangue minerals mostly is magnesium silicate，for example，talc and serpentine.Based on process mineralogy characteristics of this special low grade ore，adopting the closed circuit flowsheet by no removing talc in advance one roughing，two cleaning and four stages of scavenging for bulk flotation of Cu and Ni,one roughing，one cleaning and three scavenging for separating Cu and Ni returning of middling in turn，and a new special depressant WL-001 was added.Then，copper concentrate with Cu and Ni grade of 20.11% and 0.67% at a 55.86% Cu recovery，nickel concentrate with Ni and Cu grade of 5.57% and 0.60% at a 73.96% Ni recovery were respectively achieved by laboratory test.