Titanomagnetite and ilmenite ores are promising raw materials for the extraction of iron, titanium and vanadium. It is shown that the two-stage method of processing is the most effective in terms of extracting all valuable elements and does not contribute to the formation of man – made waste as with the hydrometallurgical method and the ‘Blast furnace – BOF’ scheme. At a temperature of 900, 1000 °C in the CO atmosphere, the kinetics of the reduction process is small and the metal phase is not fixed by X-ray phase analysis methods, but some grains have a metal phase. It is shown that the extraction of iron from the ilmenite crystal lattice is accompanied by the release of the TiO2 phase. At a low temperature of 900, 1000, 1100 °C, the dissolution kinetics of TiO2 is small. At a higher temperature of 1200, 1300 °C, the TiO2 phase is dissolved in the ilmenite phase, and the crystal lattice changes to form the FeTi2O5 phase.
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18 January 2022
PROCEEDINGS OF THE 16TH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANUFACTURING AND METALLURGY (ICIMM 2021)
17–19 June 2021
Nizhny Tagil, Russia
Research Article|
January 18 2022
Specific features of metal reduction from ilmenite concentrate
K. Smirnov;
K. Smirnov
a)
1
Department of Pyrometallurgical processes, Institute of Engineering and Technology, Faculty of Materials Science and Metallurgy Engineering, South Ural State University (NRU)
, 76 Lenina prospect, Chelyabinsk, 454080, Russia
a)Corresponding author: smirnovk@susu.ru
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P. A. Gamov
P. A. Gamov
b)
1
Department of Pyrometallurgical processes, Institute of Engineering and Technology, Faculty of Materials Science and Metallurgy Engineering, South Ural State University (NRU)
, 76 Lenina prospect, Chelyabinsk, 454080, Russia
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a)Corresponding author: smirnovk@susu.ru
AIP Conf. Proc. 2456, 020052 (2022)
Citation
K. Smirnov, P. A. Gamov; Specific features of metal reduction from ilmenite concentrate. AIP Conf. Proc. 18 January 2022; 2456 (1): 020052. https://doi.org/10.1063/5.0074718
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