Journal of Northeastern University(Natural Science)

Journal of Northeastern University ›› 2012, Vol. 33 ›› Issue (3): 431-434.DOI: -

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Effect of siderite on flotation separation of martite and quartz

Li, Li-Xia (1); Yin, Wan-Zhong (1); Wang, Yu-Bin (2); Tao, Shi-Jie (3)   

  1. (1) School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China; (2) College of Material Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; (3) China Railway Eryuan Engineering Group Co. Ltd., Chengdu 610031, China
  • Received:2013-06-19 Revised:2013-06-19 Published:2013-04-04
  • Contact: Li, L.-X.
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Abstract: It has been confirmed that the appearance of iron carbonate may seriously deteriorate the floatation indexes. The effect of siderite contents on flotation of martite and quartz was investigated with three flotation systems. The results show that, with mixing the siderite into martite and quartz, the flotation indexes decrease in the dodecylamine and sodium oleate systems while the concentrate grade increases in sodium dodecyl sulfate system. Thus, the influence of the fine particle siderite must be eliminated in order to achieve effective separation of iron ore containing carbonates.

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