Experimental Study on Beneficiation of a Refractory High Secondary Copper Sulfide Ore and Field Technical Reform
Through the process mineralogy analysis of a high secondary copper sulfide ore and the study of ore characteris-tics,the appropriate flotation flow was determined,and the beneficiation tests under different conditions were carried out.The test results show that better technical indexes can be obtained by using high efficiency collector ester-305,adding ap-propriate amount of Na2 S to activate copper,and adopting the process of central ore return and regrinding.On the basis of the test,a simple process transformation was carried out on site.For the raw ore containing 0.92%Cu,after grinding and grading,and after two coarse flotation flotation,the flotation coarse concentrate was selected twice,and a copper concen-trate with a Cu grade of 22.16%was obtained.At the same time,the total recovery rate of Cu reached 92.72%,and a good separation index was obtained.
flotationhigh secondary copperester-305sodium sulfidecentral return to grinding
万方数据
维普
