黑色冶金中,在处理含硫化物的磁铁矿矿石时仅仅回收铁。而其中含有的其价值是铁价值50%的有色和贵重金属的硫化物,则不可挽回地损失在磁选尾矿中。结果使经过勘探、开采和磨矿的千百万吨湿式磁选尾矿作为废物排掉,同时,这种硫化物的淋滤和风化产物又污染水域和空气。因此,从含硫化物的磁铁矿矿石的湿式磁选尾矿中浮选黄铁矿-钴精矿并从中回收有色 In black metallurgy, iron is recovered only when dealing with sulphide-containing magnetite ore. Which contains non-ferrous and precious metal sulphides whose value is 50% of the value of iron, is irreparably lost in the magnetic tailings. As a result, millions of tons of wet magnetic tailings, which have been explored, mined and milled, are disposed of as waste while leachate and weathering products of such sulphides pollute waters and air. Therefore, flotation of pyrite-cobalt concentrate from the wet magnetic tailing of sulphide-containing magnetite ore and recovery of colored