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内蒙某含硫铁矿石选矿试验研究

Multipurpose Utilization of Mineral Resources(2017)

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Abstract
内蒙某铁矿石中硫含量为3.93%,针对该含硫铁矿石进行了旨在降低铁精矿中硫含量的选矿试验研究,试验采用磁选-浮选联合工艺流程.结果表明:在原矿磨至细度-0.074 mm 55%的条件下,通过弱磁选可获得铁品位66.52%、硫含量3.44%的铁精矿;对该铁精矿再磨,再磨细度-0.074 mm 65%的条件下,以丁黄药作为捕收剂,硫酸和硫酸铜作为调整剂,采用一次粗选四次精选反浮选工艺处理该铁精矿,铁精矿中硫含量可降至0.35%.
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