Electrochemical preparation of lead from lead-containing waste in molten alkali-carbonate is described. The dust studied forms during shaft smelting of lead battery scrap being a technogenic resource with a high lead content. An ecologically clean process is developed for electrochemical processing of technogenic lead-containing raw material in molten electrolyte consisting of 60–95% NaOH and 5–40% Na2CO3. A large laboratory electrolyzer is constructed and prepared and tested with a current strength of 200–600 A. The use of plant shaft furnace dust from lead battery treatment makes it possible to obtain molten lead at a cathode and oxygen at an anode. There is no rapid evaporation of lead metal, lead compounds, and molten alkali-carbonate with an electrolysis temperature of 490–550°C.
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Translated from Metallurg, No. 5, pp. 70–72, May, 2017.
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Barbin, N.M., Barbina, T.M. Electrolytic Preparation of Lead from Lead Battery Recycling Plant Shaft Furnace Dust. Metallurgist 61, 414–417 (2017). https://doi.org/10.1007/s11015-017-0509-6
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DOI: https://doi.org/10.1007/s11015-017-0509-6