Download fulltext HTML
Zajnullin, L., Karelin, V., Epishin, A., Belghait, T., & Kurt, E. (2018). Research of Magnetizing Roasting of Iron Ore Before Beneficiation and Dephosphorizing. KnE Engineering, 3(5), 161–167. https://doi.org/10.18502/keg.v3i5.2665

https://doi.org/10.18502/keg.v3i5.2665

statistics

  • 563 Abstract Views
  • 245 PDF Views
  • 0 HTML Views

authors

  • L Zajnullin
    No author data available.
  • V Karelin
    No author data available.
  • A Epishin
    No author data available.
  • T Belghait
    No author data available.
  • E Kurt
    No author data available.

Published Date

  • Jul 17, 2018

Research of Magnetizing Roasting of Iron Ore Before Beneficiation and Dephosphorizing

KnE Engineering / VII All-Russian Scientific and Practical Conference of Students, Graduate Students and Young Scientists (TIM'2018) / Pages 161–167

Abstract

There are quite a lot of iron ore deposits in the world with increased (0.75%) phosphorus content, which is an obstacle to their involving in production. Research of removal of detrimental impurities from such iron ores has a great prospect. On the experimental base of OJSC VNIIMT, it was studied dephosphorizing technology at which after preliminary magnetizing roasting and subsequent dephosphorization of iron ore with aqueous solution of sulfuric acid the least residual phosphorus content in concentrate was observed. Research of influence of temperature and duration of magnetizing roasting on iron content and residual phosphorus content in dephosphorized concentrate was studied. The influence of specific consumption of solid reductant (brown coal) on the quality of magnetite concentrate was also studied. Based on the results of the experiment, the optimal technological parameters of magnetizing roasting of iron ore before beneficiation and subsequent
dephosphorization were selected.



Keywords: magnetizing roasting, beneficiation, dephosphorizing, research, rotary furnace, optimal process parameters, iron content, residual phosphorus content

References
[1] Belikov, V. V., Ogorodov, V. B., Yadryshnikov, A. O., et al. (27 June 2002). Method of purification of iron ore concentrate from phosphorus impurities. Patent of the Russian Federation No. 2184158.


[2] Epishin, A. Yu. (2013). Improving technology of roasting Lisakovsky iron ore material in rotary kiln. Yekaterinburg.


[3] Epishin, A. Yu., Zainullin, L. A., and Karelin, V. G. (2011). On dephosphorizing of Lisakovsky brown ironstone with leaching methods with pre-roasting. Digest of the VIII Congress of Dressers of CIS countries, vol. I, pp. 83–86.


[4] Karelin, V. G., Zainulin, L. A., Epishin, A. Y., et al. (2013). The Modern Techniques of Involvement of Phosphorous. Containing Sedimentary Production. The 12th China– Russia symposium on Advanced Materials and Technologies, pp. 388–391. Kuming.


[5] Karelin, V. G., Zainulin, L. A., Epishin, A. Y., et al. (2015). Combined pyrohydrometallurgical technology of dephosphorizing brown ironstone of Lisakovsky deposit. Ferrous metallurgy, Bulletin of Scientific and Technical and Economic Information, no. 2, pp. 10–15.


[6] Karelin, V. G., Zainulin, L. A., Epishin, A. Y., et al. (2015). Features of pyrohydrometallurgical technology of dephosphorizing brown ironstone of Lisakovsky deposit. Steel, no. 3, pp. 8–11.