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  1. No Access

    Article

    Processing Finely Dispersed Technogenic Raw Materials for Aluminum Production in Order to Extract Valuable Components

    The results of experimental work on the hydrometallurgical processing of finely dispersed technogenic raw materials for primary aluminum production in electrolyzers with self-baking anodes (using the example o...

    N. V. Nemchinova, A. E. Barauskas, A. A. Tyutrin… in Russian Journal of Non-Ferrous Metals (2021)

  2. No Access

    Article

    Kinetic Evaluation of the Possibility of Aluminum and Magnesium Recovery from Aqueous Solutions of Their Salts as an Alternative to the Electrolysis of Melts

    Electrolytic production, which is one of the most power-consuming and environmentally dangerous technologies, occupies a special place in nonferrous metallurgy. For example, aluminum production by the electrol...

    N. V. Nemchinova, A. A. Yakovleva in Russian Journal of Non-Ferrous Metals (2019)

  3. No Access

    Article

    Optimizing the Charge Pelletizing Parameters for Silicon Smelting Based on Technogenic Materials

    The pelletizing parameters for fine technogenic raw materials generated in the production of metallurgical silicon (Simet) are optimized. The technogenic waste of Simet production in ore-smelting furnaces (OSF) i...

    N. V. Nemchinova, M. S. Leonova, A. A. Tyutrin, S. S. Bel’skii in Metallurgist (2019)

  4. No Access

    Article

    Experiment for Use of Bratsk Aluminum Plant Technogenic Waste as a Reducing Agent During Cast Iron Smelting

    The fundamental possibility of recycling fluorocarbon-containing waste generated in producing primary aluminum is demonstrated. Technogenic waste of electrolytic production may be used as raw material for othe...

    N. V. Nemchinova, P. A. Yakushevich, A. A. Yakovleva, L. V. Gavrilenko in Metallurgist (2018)

  5. No Access

    Article

    Evaluation of the Effect of Nepheline Sinter Structure on Hydration Activity During Alumina Production

    Under conditions for maintaining a stable demand for aluminum in the world, the problem of providing basic high-quality raw material for its preparation, i.e., alumina, remains unresolved. In this connection, ...

    A. V. Aleksandrov, N. V. Nemchinova, G. G. Mineev, A. A. Yakovleva in Metallurgist (2018)

  6. No Access

    Article

    Effect of Charge Composition on Metallurgical Silicon Smelting Indices in Electric-Arc Furnaces

    It is shown that preparation of silicon at high temperature from silicon-containing resources by reduction with carbon in electric-arc furnaces is accompanied by the occurrence of complex physicochemical trans...

    N. V. Nemchinova, A. K. Timofeev, V. M. Salov in Metallurgist (2017)

  7. No Access

    Article

    Engineering Solutions for Cooling Aluminum Electrolyzer Exhaust Gases

    During aluminum production by self-fi ring anode technology, complete combustion of anode gas components (carbon monoxide, resin substances) is accomplished in electrolyzer burner units. With the aim of reduci...

    S. G. Shakhrai, N. V. Nemchinova, V. V. Kondrat’ev, V. V. Mazurenko… in Metallurgist (2017)

  8. No Access

    Article

    Acidic-Ultrasonic Refining of Silicon by Carbothermic Technology

    Results are presented from the refining of metallurgical grades of silicon on the basis of hydrochloric-acid leaching with ultrasound. Such refining makes it possible to obtain silicon powder that is 99.90% pu...

    N. V. Nemchinova, A. A. Tyutrin, E. V. Zelinskaya in Metallurgist (2015)

  9. No Access

    Article

    New Production Solutions for Processing Silicon and Aluminum Production Waste

    Results are presented for application of new approaches to the problem of processing silicon and aluminum production waste with achievement of almost total waste utilization and preparation of some commercial ...

    V. V. Kondrat’ev, N. V. Nemchinova, N. A. Ivanov, V. A. Ershov… in Metallurgist (2013)

  10. No Access

    Article

    Basic physicochemical model of carbothermic smelting of silicon

    Using a Selektor software package, a basic four-reservoir physicochemical model of silicon smelting in ore-smelting furnaces (OSF), which describes the process of Si production, is developed. In forming the mo...

    N. V. Nemchinova, V. A. Bychinskii, S. S. Bel’skii… in Russian Journal of Non-Ferrous Metals (2008)