To some difficult to choose the hematite to carry on has chosen the iron experimental study.Used the weak magnetism-strong magnetism-strong magnetism-positive ion counter-flotation circuit to obtain the ideal target, might obtain the hulk concentrate production rate 41.89％, personal status (TFe)62. 07％, returns-ratio (TFe) 65.01％ targets.%对某难选赤铁矿进行了选铁试验研究.采用弱磁-强磁-强磁-阳离子反浮选流程,获得了较理想的指标,可以取得混合精矿产率 41.89%、品位(TFe)62.07%、回收率(TFe)65.01%的指标.
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