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Recovery of Manganese Ferrite in Nanoform from the Metallurgical Slags

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Abstract

The present work investigates the formation of manganese ferrite of nanosize by oxidation of MnO- and FeO-containing slag. A horizontal resistance furnace was used as an experimental setup. The experiment was conducted in the temperature range of 1573 K to 1673 K (1300 °C to 1400 °C) in an oxidizing atmosphere. The samples were quenched to the cold end of the furnace and were analyzed by X-ray diffraction (XRD). The XRD patterns of the products showed the presence of two phases—manganese ferrite and calcium silicate. The particle size of the manganese ferrite was estimated by the Scherrer formula to be in the range of nanometers.

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The authors are thankful to the Swedish Foundation for Strategic Environmental Research (MISTRA) for financial support through the project Eco-Steel Production (Sub project no.: 88035) administered by Swedish Steel Producers Association (Jernkontoret).

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Authors and Affiliations

  1. Royal Institute of Technology, SE-100 44, Stockholm, Sweden

    Anna Semykina (Senior Researcher)

  2. National Metallurgical Academy of Ukraine, Dnipropetrovsk, 49600, Ukraine

    Anna Semykina (Senior Researcher)

  3. Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm, Sweden

    Seshadri Seetharaman (Professor, Head)

  4. Materials Process Science Division, Royal Institute of Technology, Stockholm, Sweden

    Seshadri Seetharaman (Professor, Head)

Authors
  1. Anna Semykina
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  2. Seshadri Seetharaman
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Correspondence to Anna Semykina.

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Manuscript submitted September 2, 2010.

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Semykina, A., Seetharaman, S. Recovery of Manganese Ferrite in Nanoform from the Metallurgical Slags. Metall Mater Trans B 42, 2–4 (2011). https://doi.org/10.1007/s11663-010-9457-2

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