After long-range research on rutile, satisfying index was obtained by unite technologic process—discarding tailing via gravity concentration and the flotation of rough concentrate.
通过长期对金红石选别工艺的研究，采用联合选别工艺，即重选抛尾-粗精矿浮选工艺流程，可以获得满意的指标。
参考来源 - 细粒金红石的浮选分离研究First, the conventional method was used in the test to reclaim the iron ore in the BF. Which include magnetism separation, gravity concentration, reverse flotation.
试验首先采用常规的选矿方法对回收高炉瓦斯泥中的铁矿进行了探索性试验，其中包括磁选试验、重选试验以及反浮选试验，经比较选择螺旋溜槽重选来回收铁矿。
参考来源 - 攀钢高炉瓦斯泥资源综合利用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
STL jacket centrifugal concentrator is a kind of gravity concentration equipment.
式离心选矿机是一种新型重选设备。
Nowadays, gravity concentration is used to recover fine wolframite, but the recovery of wolframite is lower than 45%.
现阶段，我国细粒级黑钨矿的回收主要采用重选法，其中钨的回收率一般在45%以下，损失率较大。
Gravity concentration effect and can be reduced gravity concentration, equipment simple structure, easy maintenance, low energy consumption.
重力浓缩效果好，可缩短重力浓缩区，设备构造简单，维护容易，能耗低。
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