A Beneficiation Study on a Low Grade Iron Ore by Gravity and Magnetic Separation

被引：0
|
作者：
Hossein Akbari
Mohammad Noaparast
Sied Ziaedin Shafaei
Abdolmotaleb Hajati
Sajjad Aghazadeh
Hassan Akbari
机构：
[1] University of Tehran,School of Mining Engineering
[2] Arak University of Technology,Mining Engineering Department
[3] Amirkabir University of Technology,Department of Mining and Metallurgical Eng.
来源：
Russian Journal of Non-Ferrous Metals | 2018年 / 59卷
关键词：
Tange-zagh; iron; low grade; gravity concentration; magnetic separation;
D O I：
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中图分类号：
学科分类号：
摘要：
In this paper, a sample from Tange-zagh iron mine was characterized by gravity and magnetic separation methods. The mineralogical studies showed that hematite and goethite are the main iron-bearing minerals with insignificant amounts of FeO. The results indicated that spiral separation yields higher separation efficiency than others. The combination of spiral and multi gravity methods showed that the grade and recovery could be obtained 58.7 and 55.6%, respectively. Scrubbing and de-sliming stages increased the recovery in the wet high intensity magnetic process. With a four-stage process of separation, the WHIMS by scrubbing and de-sliming was applied to achieve a final concentrate with grade of 62.6% Fe and recovery of 57.1% Fe.
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页码：353 / 363
页数：10
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