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  1. No Access

    Article

    Hydrometallurgical Processing of Spent Zinc-Manganese Batteries

    In this paper, the possibility of processing zinc-manganese batteries in alkaline solutions is studied. It is shown that three-stage washing can remove potassium chloride from the active mass of milled batteri...

    E. B. Kolmachikhina, K. D. Naumov, D. I. Bludova… in Russian Journal of Non-Ferrous Metals (2022)

  2. No Access

    Article

    Behavior of Indium during the Pressure Leaching of a Zinc Concentrate in the Presence of Lignosulfonate

    The behavior of indium during the pressure sulfuric acid leaching of zinc sulfide concentrates and hydrolytic recovery of indium from model zinc solutions is studied. Lignosulfonate (LSN) is shown to exert a p...

    E. B. Kolmachikhina, D. I. Bludova, T. N. Lugovitskaya… in Russian Metallurgy (Metally) (2021)

  3. No Access

    Article

    Physicochemical Regularities of the Pressure Leaching of a Zinc Sulfide Concentrate in the Presence of Lignosulfonate

    The physicochemical regularities of the pressure oxidation leaching of a zinc sulfide concentrate in sulfuric acid are studied. The effect of the concentration of lignosulfonate (CLSN = 0.2–0.8 g/dm3), duration o...

    E. B. Kolmachikhina, T. N. Lugovitskaya… in Russian Journal of Non-Ferrous Metals (2021)

  4. No Access

    Article

    Gold Cementation Kinetic Features Using Dendritic Zinc Powders

    Gold cementation kinetic features from cyanide solutions using zinc powders of various origins were studied. The first powder was obtained by distillation and is currently used in the vast majority of industri...

    K. D. Naumov, V. G. Lobanov, E. B. Kolmachikhina in Russian Journal of Non-Ferrous Metals (2020)

  5. No Access

    Article

    Investigation into the Influence of Sodium Lignosulfonate, Anionic Surfactants, and Their Mixtures on the Copper Cementation Rate by Zinc

    This article is devoted to the influence of sodium lignosulfonate (SL), anionic surfactants (sodium dodecylsulfate (SDS), sodium dodecylbenzene sulfonate (SDBS)), and their mixtures on the copper cementation r...

    E. B. Kolmachikhina, A.V. Sviridov, K. D. Naumov in Russian Journal of Non-Ferrous Metals (2020)

  6. No Access

    Article

    Choice of a Sorbent for Purification of Sulfate Zinc Solutions from Fluorine Ions

    S. V. Mamyachenkov, E. B. Kolmachikhina… in Russian Journal of Non-Ferrous Metals (2020)

  7. No Access

    Article

    Thermodynamic Analysis of Zinc Sulfide Dissolution Stoichiometry in Sulfuric Acid Solution with Oxygen Participation

    In this work, a thermodynamic study of zinc sulfide high temperature oxidative leaching was carried out. At the metals sulfides dissolution under oxidants action in acidic solutions several simultaneously proc...

    G. V. Solovyeva, E. B. Kolmachikhina… in Russian Journal of Non-Ferrous Metals (2020)

  8. No Access

    Article

    Hydrogasdynamic Regularities of Melt Blowing in “Ausmelt” Furnace by Cold Modeling Methods

    This work aimed to develop the cold modeling method of melt blowing in an “Ausmelt” top submerged lance (TSL) furnace for further optimization of the working conditions of the complex to decrease copper losses...

    V. P. Zhukov, B. V. Kolmachikhin, É. B. Kolmachikhina in Metallurgist (2020)