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Regularities of interaction of zinc sulfide with the arsenate ion in sulfuric acid solutions

  • Metallurgy of Non-Ferrous Metals
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Abstract

Regularities of interaction of zinc sulfide with the arsenate ion in a sulfuric acid medium are investigated. The rates of dissolution of zinc sulfide and precipitation of arsenic increase proportionally to an increase in the concentration of sulfuric acid. However, on attaining the critical value (∼0.1 mol), they vary insignificantly. The experimental activation energies of dissolution of zinc sulfide and precipitation of arsenic are 9.7 and 16.5 kJ/mol, respectively. Based on the investigations carried out, it is concluded that the limiting stage of interaction is the diffusion of reagents and reaction products through a gas veil consisting of hydrogen sulfide bubbles that is formed on the surface of zinc sulfide particles.

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Authors and Affiliations

  1. OAO Uralelectromed’, Verkhnyaya Pyshma, Sverdlovsk oblast, Russia

    A. A. Khrennikov & A. B. Lebed’

  2. Ural State Technical University (UGTU-UPI), ul. Mira 19, Yekaterinburg, 620002, Russia

    S. S. Naboichenko (Chair of Metallurgy of Heavy Non-Ferrous Metals)

Authors
  1. A. A. Khrennikov
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  2. A. B. Lebed’
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  3. S. S. Naboichenko
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Additional information

Original Russian Text © A.A. Khrennikov, A.B. Lebed’, S.S. Naboichenko, 2007, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2007, No. 3, pp. 7–12.

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Khrennikov, A.A., Lebed’, A.B. & Naboichenko, S.S. Regularities of interaction of zinc sulfide with the arsenate ion in sulfuric acid solutions. Russ. J. Non-ferrous Metals 48, 164–168 (2007). https://doi.org/10.3103/S1067821207030029

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  • DOI: https://doi.org/10.3103/S1067821207030029

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