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Effect of powerful nanosecond electromagnetic impulses on surface and flotation properties of carbonate-bearing pyrite and arsenopyrite

  • Mineral Dressing
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Abstract

The effect of powerful nanosecond electromagnetic impulses (PEMI) on the surface and flotation properties of arsenopyrite and carbonate gold-bearing pyrite from the Darasunsk deposit has been studied. X-ray-phase diffractometry, X-ray photoelectronic and IR Fourier-spectroscopy, and raster electronic microscopy were employed in investigations. It was established that the alteration of the phase composition of surface depends non-linearly on terms of treatment (dry or wet) and the number of electromagnetic impulses used and has appreciable influence on oxidation and hydrophobicity of minerals, thus allowing the selective separation of pyrite from arsenopyrite by flotation in the neutral medium.

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Authors and Affiliations

  1. Institute of Problems of Complex Development of Bowels, Russian Academy of Sciences, Moscow, Russia

    V. A. Chanturia, M. V. Ryazantseva & I. Zh. Bunin

  2. Lotharingia National Polytechnic Institute, Lotharingia, France

    I. V. Filippova, L. O. Filippov & M. V. Ryazantseva

  3. Moscow Institute of Steel and Alloys (State Technological University), Moscow, Russia

    I. V. Filippova & L. O. Filippov

Authors
  1. V. A. Chanturia
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  2. I. V. Filippova
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  3. L. O. Filippov
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  4. M. V. Ryazantseva
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  5. I. Zh. Bunin
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Translated from Fiziko-Tekhnicheskie ProblemyRazrabotki Poleznykh Iskopaemykh, No. 5, pp. 105–118, September–October, 2008.

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Chanturia, V.A., Filippova, I.V., Filippov, L.O. et al. Effect of powerful nanosecond electromagnetic impulses on surface and flotation properties of carbonate-bearing pyrite and arsenopyrite. J Min Sci 44, 518–530 (2008). https://doi.org/10.1007/s10913-008-0058-2

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  • DOI: https://doi.org/10.1007/s10913-008-0058-2

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