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Determination of optimal conditions for obtaining a mixture of associated dioxides of zirconium and silicon by sintering of ZrSiO4 with MgO

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Abstract

Obtaining dissociated zircon (a mixture of associated dioxides of zirconium and silicon (ZrO2, SiO2) by sintering ZrSiO4 with MgO and the subsequent leaching of the forming pitch by concentrated hydrochloric acid is studied. The mechanism of sintering of the ZrSiO4 + MgO mixture is established based on laboratory investigations. The optimal parameters of the process (the molar ratio of components and the temperature and duration of heating at the final temperature) for the maximal transformation of zircon into zirconium dioxide are determined.

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Authors and Affiliations

  1. OAO Giredmet, ul. Petrova 59, Verkhnyaya Pyshma, Sverdlovsk oblast, 624091, Russia

    Yu. A. Simonov, A. A. Kritskii & V. A. Tomashov

  2. Ural State Technical University, ul. Mira 19, Yekaterinburg, 620002, Russia

    A. A. Kritskii & V. N. Rychkov

Authors
  1. Yu. A. Simonov
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  2. A. A. Kritskii
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  3. V. N. Rychkov
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  4. V. A. Tomashov
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Corresponding author

Correspondence to Yu. A. Simonov.

Additional information

Original Russian Text © Yu.A. Simonov, A.A. Kritskii, V.N. Rychkov, V.A. Tomashov, 2010, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2010, No. 2, pp. 52–56.

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Simonov, Y.A., Kritskii, A.A., Rychkov, V.N. et al. Determination of optimal conditions for obtaining a mixture of associated dioxides of zirconium and silicon by sintering of ZrSiO4 with MgO. Russ. J. Non-ferrous Metals 51, 140–143 (2010). https://doi.org/10.3103/S1067821210020124

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  • DOI: https://doi.org/10.3103/S1067821210020124

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