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Modeling of the kinetics of nickel reduction from a multicomponent oxide melt with a gaseous reducing agent

  • Chemical Kinetics and Catalysis
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Abstract

A model was suggested that allows the kinetics of bubbling of various reducing gases through an oxide melt to be described by thermodynamic equilibrium calculations without the use of experimental data. An algorithm for calculations was developed. The model is tested for the NiO-FeO-Al2O3-SiO2-CaO-Mg-CO-CO2 system. A comparative analysis of the calculation results and experimental data showed that the suggested technique could be used in a qualitative analysis of interactions between multicomponent oxide melts and gaseous reducing agents of various compositions. Calculations describing the kinetics of reduction of nickel oxide with hydrogen in the NiO-CaO-B2O3 system over the temperature range 1473–1973 K were performed.

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Authors and Affiliations

  1. Institute of Metallurgy, Ural Division, Russian Academy of Sciences, Yekaterinburg, Russia

    A. S. Vusikhis, D. Z. Kudinov & L. I. Leont’ev

Authors
  1. A. S. Vusikhis
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  2. D. Z. Kudinov
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  3. L. I. Leont’ev
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Correspondence to A. S. Vusikhis.

Additional information

Original Russian Text © A.S. Vusikhis, D.Z. Kudinov, L.I. Leont’ev, 2008, published in Zhurnal Fizicheskoi Khimii, 2008, Vol. 82, No. 11, pp. 2035–2038.

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Vusikhis, A.S., Kudinov, D.Z. & Leont’ev, L.I. Modeling of the kinetics of nickel reduction from a multicomponent oxide melt with a gaseous reducing agent. Russ. J. Phys. Chem. 82, 1824–1827 (2008). https://doi.org/10.1134/S003602440811006X

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  • DOI: https://doi.org/10.1134/S003602440811006X

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