Abstract: A fineness complex copper ore with copper grade of 2.69%,mainly contains bornite,a little chalcopyrite and malachite from D.R.Congo.Bornite is disseminated in gangue with the fine and microfine of irregular shape.The proportion of the secondary copper sulfide,native copper sulfide and copper oxide in total copper are 76.21%,13.38% and 7.43%,respectively.In order to get the way of the effective development and utilization of the mineral resources,the mineral processing tests were carried out.The results show that copper concentrate with copper grade is 38.52% and recovery is 97.52% with grinding fineness of -0.074 mm is 85.86%,BKD-1 as collector,Na2S as activator for copper oxide,Na₂CO₃ as pH regulator,by flowsheet of three roughing,two cleaning,two scavenging and scavenging cleaning on scavenging concentrate process.

Key words: Bornite, Chalcopyrite, Malachite, Flotation,Collector of BKD-1, Activator Na2S, pH regulator Na2CO3