某低品位镁硅质磷矿石选矿试验研究

Nonferrous Metals Mieral Processing Section(2015)

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Abstract
采用新型捕收剂TF-64对某低品位镁硅质磷矿石进行了深入研究,采用正—反浮选工艺进行除镁降硅试验,正浮选采用碳酸钠和水玻璃作调整剂,反浮选采用硫酸作为抑制剂,捕收剂均采用TF-64药剂,闭路试验可得到P2O5品位31.04%、回收率81.28%的磷精矿,尾矿中含Si02 25.82%,去除率为57.72%.扩大试验连续稳定运行了72 h,可得到磷精矿产率56.15%、P205品位30.45%、回收率80.68%的较好指标.本试验所获的选矿指标,为该低品位镁硅质磷矿石的开发利用提供了技术支撑.
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