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Surface activation and induced change of physicochemical and process properties of galena by nanosecond electromagnetic pulses

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Abstract

X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy are used to study the change of the surface layers and chemical state of atoms on galena surface after treatment by high-voltage nanosecond electromagnetic pulses. By XPS the induced structural changes of galena surface layer are associated with alteration of chemical state of sulfur atoms, which conditions the change of electrochemical and flotation properties of the semiconductor sulfide mineral: growth of electrode potential creates favorable conditions for adsorption of anion collector and promotes increased floatability of galena.

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Authors and Affiliations

  1. Institute of Problems of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Kryukovskii tupik 4, Moscow, 111020, Russia

    V. A. Chanturia, I. Zh. Bunin, M. V. Ryazantseva, I. A. Khabarova, E. V. Koporulina & N. E. Anashkina

Authors
  1. V. A. Chanturia
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  2. I. Zh. Bunin
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  3. M. V. Ryazantseva
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  4. I. A. Khabarova
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  5. E. V. Koporulina
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  6. N. E. Anashkina
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Corresponding author

Correspondence to I. Zh. Bunin.

Additional information

Original Russian Text © V.A. Chanturia, I.Zh. Bunin, M.V. Ryazantseva, I.A. Khabarova, E.V. Koporulina, N.E. Anashkina, 2014, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2014, No. 3, pp. 154–169.

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Chanturia, V.A., Bunin, I.Z., Ryazantseva, M.V. et al. Surface activation and induced change of physicochemical and process properties of galena by nanosecond electromagnetic pulses. J Min Sci 50, 573–586 (2014). https://doi.org/10.1134/S1062739114030181

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  • DOI: https://doi.org/10.1134/S1062739114030181

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