采用共沉淀法从绿矾中磁选回收铁（英文）
发布时间：2019-05-23 05:40
【摘要】：通过共沉淀和磁选从绿矾中回收磁铁矿。在共沉淀阶段,研究反应条件对铁回收的影响,确定最佳反应参数如下:n(CaO)/n(Fe~(2+))1.4:1、反应温度80°C、亚铁离子浓度0.4 mol/L、反应终点溶液中Fe~(3+)/Fe~(2+)摩尔比1.9~2.1。在磁选阶段,研究球磨时间和磁感应强度对铁回收的影响。球磨可以破坏混合产物中磁铁矿的包裹和夹杂行为。结果发现,混合产物球磨20 min后,磁选精矿的铁品位和铁回收率分别从51.41%和84.15%提高到62.05%和85.35%。
[Abstract]:Magnetite is recovered from alum by coprecipitation and magnetic separation. In the coprecipitation stage, the effect of reaction conditions on iron recovery was studied. The optimum reaction parameters were determined as follows: n (CaO) / n (Fe~ (2) 1.4 鈮，
本文编号：2483648
[Abstract]:Magnetite is recovered from alum by coprecipitation and magnetic separation. In the coprecipitation stage, the effect of reaction conditions on iron recovery was studied. The optimum reaction parameters were determined as follows: n (CaO) / n (Fe~ (2) 1.4 鈮，
本文编号：2483648
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