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Establishment of product morphology during the initial stages of wustite reduction

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An Erratum to this article was published on 01 December 1985

Abstract

The product morphologies obtained on the reduction of wustite in CO/CO2 gas mixtures between 1073 and 1373 K are reported. Three types of product morphology are identified, namely, type A (porous iron), type B (porous wustite covered with dense iron), and type C (dense wustite covered with dense iron). The reactions which occur during the reduction of wustite in CO/CO2 and H2/H2O systems both before and after iron nucleation are examined. The product morphologies obtained on reduction are explained qualitatively in terms of the relative rates of the chemical reaction with the gas and the mass transport processes both in and on the solid.

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Authors and Affiliations

  1. Department of Metallurgy and Mining, Royal Melbourne Institute of Technology, Melbourne, Australia

    D. H. St. John (Lecturer)

  2. Department of Mining and Metallurgical Engineering, University of Queensland, St. Lucia, Brisbane, Australia

    S. P. Matthew (Graduate Student) & P. C. Hayes (Senior Lecturer)

Authors
  1. D. H. St. John
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  2. S. P. Matthew
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  3. P. C. Hayes
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Additional information

Formerly Postdoctoral Fellow at the Department of Mining and Metallurgical Engineering, University of Queensland, St. Lucia, Brisbane, Australia

An erratum to this article is available at http://dx.doi.org/10.1007/BF02686993.

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John, D.H.S., Matthew, S.P. & Hayes, P.C. Establishment of product morphology during the initial stages of wustite reduction. Metall Trans B 15, 709–717 (1984). https://doi.org/10.1007/BF02657293

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  • DOI: https://doi.org/10.1007/BF02657293

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