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Modern Mining ›› 2013, Vol. 29 ›› Issue (07): 1-6.

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Present Technology of High Phosphorus Oolitic Hematite Dephosphorization

Su Jianfang1,2,Zheng Guibing1,2,Zhu Yangge1,2,Zhang Yunhai1,2   

  1. 1.Beijing General Research Institute of Mining and Metallurgy;2.Science and Technology of Mineral Processing, State Key Laboratory
  • Online:2013-07-15 Published:2013-08-22

Abstract: The property of high phosphorus oolitic hematite ore and difficulties in its dephosphorylation was introduced. The process of physics, direct reduction-magnetic separation, magnetic roasting-low intensity magnetic separation-reverse flotation, reverse floatation, leaching, smelting and other processes for dealing with these type of ore by domestic worker was outlined. The current problems and future endeavors of dephosphorization with this type of ore for now was summarized.

Key words: Oolitic hematite with high grade of phosphorus, Dephosphorization, Reverse flotation, Magnetic separation, Leaching