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Calculation of the solubility of TiO2 and titanates in sulfuric acid solutions

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Abstract

The Gibbs energies of formation of Ti(IV) hydrolysis forms have been obtained, and they can be used to calculate the TiO2 solubility as a function of the hydrogen ion concentration (pH). The dependence of the change of the Gibbs energy during dissolution of various ilmenites on mole fraction of TiO2 in compounds is established. A method to increase the rate of dissolution of low soluble titanates by their conversion into compounds with a higher solubility is proposed.

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Authors and Affiliations

  1. Moscow State University of Mechanical Engineering (MAMI), Moscow, Russia

    S. M. Kramer, I. G. Gorichev, I. V. Artamonova & M. V. Terekhova

  2. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia

    Yu. A. Lainer

Authors
  1. S. M. Kramer
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  2. I. G. Gorichev
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  3. Yu. A. Lainer
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  4. I. V. Artamonova
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  5. M. V. Terekhova
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Corresponding author

Correspondence to S. M. Kramer.

Additional information

Original Russian Text © S.M. Kramer, I.G. Gorichev, Yu.A. Lainer, I.V. Artamonova, M.V. Terekhova, 2014, published in Metally, 2014, No. 5, pp. 28–31.

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Kramer, S.M., Gorichev, I.G., Lainer, Y.A. et al. Calculation of the solubility of TiO2 and titanates in sulfuric acid solutions. Russ. Metall. 2014, 704–707 (2014). https://doi.org/10.1134/S0036029514090109

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  • DOI: https://doi.org/10.1134/S0036029514090109

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