Experimental Study on Recovering Copper and Cobalt Resources from Cobalt Leaching Residue
For a cobalt leaching residue grading 1.31%Cu and 0.20%Co,a flowsheet consisting of grinding and a flotation process of one stage of roughing,one stage of scavenging and two stages of cleaning was proposed based on the occurrence of copper and cobalt therein.A closed-circuit test employing this processing technique can result in a bulk copper-cobalt concentrate grading 16.16%Cu and 2.06%Co with recoveries of 80.56%Cu and 68.29%Co,with the yield of 6.63%.It is concluded that with this approach,copper and cobalt resources in the cobalt leaching residue can be enriched and recovered efficiently.
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