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copper lead flotation

Nov 01, 2001 Bulk copperlead flotation is performed at natural pH using a NaS-NaCN-ZnS04 depressant system, combined with sodium isopropyl xanthate as the collector. The bulk rougher concentrate is cleaned three times before copperlead separation, using the flowsheet shown in Figure 6. The zinc circuit is a standard lime-CUSOq circuit with xanthate collector.

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