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Solid State Reduction of Iron, Manganese and Chromium Oxide Ores with Methane

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Book cover Applications of Process Engineering Principles in Materials Processing, Energy and Environmental Technologies

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Sustainable development requires less energy consumption with lower carbon footprint. In this review the solid state reduction behaviour of three oxide ores using methane gas are briefly summarized based on experimental work conducted in our laboratories. The discussion concentrates mainly on mechanisms of the reduction studied through SEM-EDAX and X-ray diffraction techniques. Limited preliminary kinetic input is also mentioned. Iron ore containing titanium and vanadium could be reduced significantly in the solid state with methane-hydrogen mixture up to 400 °C lower than is needed in ordinary solid state carbothermic process. The reduction of chromite and manganese ores were possible similarly at lower temperatures with potential energy savings lower carbon footprint.

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Acknowledgements

The research summarized in this presentation has been supported and financed both: by the “Finland Distinguished Professor” project awarded to Professor R H Eric by Tekes; the Finnish Funding Agency for Innovation, and the Ferro Alloy Producers Association of South Africa. The authors are deeply grateful to both of these organizations.

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Authors and Affiliations

  1. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa

    R. H. Eric & A. Bhalla

  2. Department of Materials Science and Engineering, Aalto University, Espoo, Finland

    R. H. Eric, P. Halli & P. Taskinen

Authors
  1. R. H. Eric
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  2. A. Bhalla
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  3. P. Halli
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  4. P. Taskinen
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Corresponding author

Correspondence to R. H. Eric .

Editor information

Editors and Affiliations

  1. Rio Tinto Kennecott Utah Copper , Magna, Utah, USA

    Shijie Wang

  2. University of Utah , Salt Lake City, Utah, USA

    Michael L Free

  3. The University of Saskatchewan , Saskatoon, Saskatchewan, Canada

    Shafiq Alam

  4. ArcelorMittal Global R&D , Schereville, Indiana, USA

    Mingming Zhang

  5. Colorado School of Mines, George S. Ansell Chair Colorado School of Mines, Golden, Colorado, USA

    Patrick R. Taylor

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© 2017 The Minerals, Metals & Materials Society

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Eric, R.H., Bhalla, A., Halli, P., Taskinen, P. (2017). Solid State Reduction of Iron, Manganese and Chromium Oxide Ores with Methane. In: Wang, S., Free, M., Alam, S., Zhang, M., Taylor, P. (eds) Applications of Process Engineering Principles in Materials Processing, Energy and Environmental Technologies. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51091-0_29

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