Experimental Study on the Mineral Processing of a Copper Cobalt Oxide Mine in the Democratic Republic of the Congo
A small-scale flotation process experiment was conducted on a difficult to treat copper cobalt oxide ore in the Democratic Republic of the Congo.The influence of single factor condition experiments on flotation efficiency was explored,and the rough-sweep open-circuit and closed-circuit flotation was conducted.The single factor condition experiments determined that NaHS was used as the sulfurizing agent,and a combination of butyl yellow medicine and amyl yellow medicine(1:1)was used as the collector.Under the optimal reagent system,after rough-sweep open-circuit floatation test,flotation indicators with Co and Cu recovery rates of 92.74％and 89.32％,respectively,were obtained for the concentrate;after semi closed-circuit flotation,flotation indicators were obtained with Co and Cu recovery rates of 90.22％and 83.21％,respectively,achieving effective recovery of copper and cobalt resources in difficult to treat oxidized copper cobalt ore.
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