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Thin-layered electrolysis in molten electrolytes

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Abstract

Generalized results of research in the field of high-temperature electrochemistry that are devoted to solving applied problems of metallurgy of nonferrous metals by methods of thin-layered electrolysis are presented. It is demonstrated that, by applying thin porous dielectric materials, it is feasible to realize electrolysis at an interelectrode distance equal to the thickness of the porous dielectric and that the electrolyte amount contained in the pores of the dielectric is sufficient enough to ensure stable mass exchange between liquid electrodes. Thin-layered electrolysis ensures not only the reduction of the specific energy and electrolyte consumption. It also ensures better quality of refined nonferrous metals. Model notions that make it possible to predict the results of thin-layered electrolysis as a function of its parameters and the porous-material characteristics are offered. The refinement indicators are presented for assorted metals. Various methods are compared.

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Authors and Affiliations

  1. Vernadskii Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, pr. akademika Palladina 32/34, Kyiv, 03680, Ukraine

    A. A. Omel’chuk

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  1. A. A. Omel’chuk
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Original Russian Text © A.A. Omel’chuk, 2007, published in Elektrokhimiya, 2007, Vol. 43, No. 9, pp. 1060–1070.

The paper was submitted for the special issue devoted to high-temperature electrochemistry.

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Omel’chuk, A.A. Thin-layered electrolysis in molten electrolytes. Russ J Electrochem 43, 1007–1015 (2007). https://doi.org/10.1134/S1023193507090042

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  • DOI: https://doi.org/10.1134/S1023193507090042

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