KnE Engineering

ISSN: 2518-6841

The latest conference proceedings on all fields of engineering.

Iron Ore Dephosphorization of Gara Djebilet Deposit By Hydrometallurgical Method

Published date:Jul 17 2018

Journal Title: KnE Engineering

Issue title: VII All-Russian Scientific and Practical Conference of Students, Graduate Students and Young Scientists (TIM'2018)

Pages:168–176

DOI: 10.18502/keg.v3i5.2666

Authors:
Abstract:

For industrial use, iron-ore concentrates shall correspond to definite requirements regarding both basic substance content – iron as well as phosphorus content. Decreased phosphorus content in iron-ore concentrate can be received by the method of hydrometallurgy (desalinization of phosphorus by mineral acid). On the
experimental base of OJSC VNIIMT, a laboratory research was carried out regarding iron ore dephosphorization; as a result maximum possible content of phosphorus was obtained in a final product. The optimal technological parameters of sulphuric acid desalinization were defined that have an effect on quality of phosphorus removal of iron ore magnetite concentrate: size degradation of roasted concentrate; phosphorus removal duration; pulp heating temperature effect; sulphuric acid-specific consumption.


Keywords: desalinization, iron ore, concentrate, pulp, sulphuric acid, phosphorus content, optimal parameters

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] Karelin, V. G., Zainullin, L. A., and Epishin, A. Y. (2017). Kinetics of high-temperature dehydration of Lisakovsk iron ore concentrate. Izvestiya Vysshikh Uchebnykh Zavedenij. Chernaya Metallurgiya, vol. 60, no. 8, pp. 656–661.


[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.

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