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  1. 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)

  2. 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)

  3. 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)

  4. 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)

  5. 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)

  6. 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)

  7. 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)