Abstract
A kind of complex Pb-Zn ore has been studied. The run-of-mine grade of Lead was 2.84%, with the oxidation rate of 90.95%. And the grade of Zinc was 3.22%, with the oxidation rate of 87.9%. The optimal grinding fineness was about to 94.6%. Use the best reagent combination which obtained by condition test, the final results was that the grade of Lead concentrate was 23.41% and the recovery rate was 86.75%, included silver 805.76 g/t; the grade of the Zinc concentrate was 32.65%, and the recovery rate was 80.11%.
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