Concentration of a Sudanese low-grade iron ore

被引：24
|
作者：
Seifelnassr, Ahmed A. S. [1 ]
Moslim, Eltahir M. [2 ]
Abouzeid, Abdel-Zaher M. [3 ]
机构：
[1] Suez Canal Univ, Fac Engn, Dept Min, Suez, Egypt
[2] Omdurman Islamic Univ, Fac Engn Sci, Dept Min, Khartoum, Sudan
[3] Cairo Univ, Fac Engn, Dept Min, Giza 12613, Egypt
来源：
INTERNATIONAL JOURNAL OF MINERAL PROCESSING | 2013年 / 122卷
关键词：
Beneficiation of Wadi Halfa iron ore; Concentration of a low-grade iron ore; Magnetic separation; Gravity concentration; Combined gravity/magnetic beneficiation; SEPARATION;
D O I：
10.1016/j.minpro.2013.04.001
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The iron ore deposit of the Northern State of Sudan, at Wadi Haifa, is a huge deposit, but is low in grade. It assays 36% Fe and 48% silica. The present study is an attempt to investigate the amenability of this newly discovered ore for upgrading. Based on the appreciable differences in specific gravity and magnetic susceptibility between the desired iron minerals and the gangue minerals, it was suggested that gravity separation and/or magnetic separation may be useful to concentrate this type of low-grade ore. As a result of the fine dissemination of the iron minerals and the most abundant gangue mineral, quartz, the optimum degree of grind is around 150 mu m. Using two-stage separation, roughing and cleaning, it was possible to obtain a high grade concentrate assaying about 64% Fe at a recovery of 72%. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：59 / 62
页数：4
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