利用干破、擦洗脱泥联合工艺提升低品位磷矿石价值

Phosphate & Compound Fertilizer(2023)

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Abstract
随着晋宁磷矿矿层开采深度增加,低品位磷矿石采出量逐年增加.晋宁磷矿利用干破、擦洗脱泥的联合生产方式,先将低品位磷矿原矿进行破碎筛分,生产低磷高硅黄磷矿,再用筛下矿进行擦洗脱泥,提高品质后生产低磷酸法矿.该生产方式共利用低品位磷矿石157.73万t,低品位磷矿石资源得到合理利用,实现了低品位磷矿由原矿到较高价值产品矿的价值提升,还有效减轻了低品位磷矿石库存压力.
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