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Decomposing the Titaniferous Magnetite Concentrate with Hydrochloric Acid

  • Chemical and Metallurgical Processing of Ores and Technogenic and Secondary Raw Materials
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Abstract

The decomposition of TMC with hydrochloric acid solutions (15–25% HCl) at the boiling point of the reaction mixture and atmospheric pressure has been investigated. The processing conditions have been determined for efficient recovery of titanium (up to 99.3%) as photocatalytically active anatase and for extracting Fe (up to 99.6%) and V (98.8%) into the leaching solution. Subsequent treatment of the leach liquor with aqueous ammonia affords 99.3 wt % Fe2O3 and an iron-vanadium product containing 3.2 wt % V2O5.

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Authors and Affiliations

  1. Tananaev Institute of Rare Element and Mineral Chemistry and Technology, Kola Research Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184200, Russia

    T. A. Sedneva, E. P. Lokshin, P. B. Gromov, E. K. Kopkova & E. A. Shchelokova

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  1. T. A. Sedneva
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  2. E. P. Lokshin
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  3. P. B. Gromov
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  4. E. K. Kopkova
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  5. E. A. Shchelokova
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Correspondence to T. A. Sedneva.

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Original Russian Text © T.A. Sedneva, E.P. Lokshin, P.B. Gromov, E.K. Kopkova, E.A. Shchelokova, 2010, published in Khimicheskaya Tekhnologiya, 2010, Vol. 11, No. 6, pp. 349–359.

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Sedneva, T.A., Lokshin, E.P., Gromov, P.B. et al. Decomposing the Titaniferous Magnetite Concentrate with Hydrochloric Acid. Theor Found Chem Eng 45, 753–763 (2011). https://doi.org/10.1134/S0040579511050125

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  • DOI: https://doi.org/10.1134/S0040579511050125

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