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Pyrometallurgical Processing of Desulphurization Slags

  • Conference paper
  • First Online:
Extraction 2018

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

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Abstract

A special desulphurization slag accrues during the processing of iron ore to steel , which is needed to generate high quality steel . Sulphur removing is done by different technologies, but the most common one is the generation of a high sulphur containing slag by sulphur affine elements. Currently, this desulphurization slag is partly recycled, however, huge amounts are still dumped. To utilize this desulphurization slag for future purposes, a recycling process must be established. Therefore, first characterization of this material started some years ago at the Chair of Nonferrous Metallurgy, Montanuniversität Leoben. Subsequent trials in lab scale size were performed, also some investigations for different treatment steps were evaluated, starting with a parameter study in a hot stage microscope at various gas-atmospheres. Finally, the developed recycling process concept was verified in pilot scale trials to confirm the new recycling technology. Due to the successful treatment process, also a patent was applied.

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Author information

Authors and Affiliations

  1. Chair of Nonferrous Metallurgy, Montanuniversitaet Leoben, Leoben, Austria

    Christoph Pichler & Jürgen Antrekowitsch

  2. Voestalpine Stahl GmbH, Linz, Austria

    Karl Pilz

Authors
  1. Christoph Pichler
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  2. Jürgen Antrekowitsch
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  3. Karl Pilz
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Corresponding author

Correspondence to Jürgen Antrekowitsch .

Editor information

Editors and Affiliations

  1. Kingston Process Metallurgy Inc., Kingston, Canada

    Boyd R. Davis

  2. Missouri University of Science and Technology, Rolla, USA

    Michael S. Moats

  3. Rio Tinto Kennecott Utah Copper Corporation, South Jordan, USA

    Shijie Wang

  4. RHI Magnesita, Leoben, Austria

    Dean Gregurek

  5. BBA Inc., Montreal, Canada

    Joël Kapusta

  6. Extractive Metallurgy Consultant, Kingston, Canada

    Thomas P. Battle

  7. Missouri University of Science and Technology, Rolla, USA

    Mark E. Schlesinger

  8. Aurubis, Hamburg, Germany

    Gerardo Raul Alvear Flores

  9. University of Queensland, Queensland, Australia

    Evgueni Jak

  10. XPS-Glencore, Falconbridge, Canada

    Graeme Goodall

  11. University of Utah, Salt Lake City, USA

    Michael L. Free

  12. University of British Columbia, Vancouver, Canada

    Edouard Asselin

  13. University of Lorraine, Vandœuvre-lès-Nancy, France

    Alexandre Chagnes

  14. University of British Columbia, Vancouver, Canada

    David Dreisinger

  15. Newmont Mining, Elko, USA

    Matthew Jeffrey

  16. University of Arizona, Tucson, USA

    Jaeheon Lee

  17. Miller Metallurgical Services Pty Ltd., Brisbane, Australia

    Graeme Miller

  18. University of Cape Town, Rondebosch, Australia

    Jochen Petersen

  19. Universidade Federal de Minas Gerais, Belo Horizonte, Brazil

    Virginia S. T. Ciminelli

  20. Shanghai University, Shanghai, China

    Qian Xu

  21. MetNetH20 Inc., Peterborough, Canada

    Ronald Molnar

  22. Hatch, Mississauga, Canada

    Jeff Adams

  23. University of British Columbia, Vancouver, Canada

    Wenying Liu

  24. SGS Minerals, Lakefield, Canada

    Niels Verbaan

  25. J.R. Goode and Associates Metallurgical Consulting, Toronto, Canada

    John Goode

  26. Avalon Rare Metals Inc., Toronto, Canada

    Ian M. London

  27. University of Toronto, Toronto, Canada

    Gisele Azimi

  28. SGS Minerals, Lakefield, Canada

    Alex Forstner

  29. Newmont Mining, Greenwood Village, USA

    Ronel Kappes

  30. Newmont Mining Corporation, Greenwood village, USA

    Tarun Bhambhani

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Pichler, C., Antrekowitsch, J., Pilz, K. (2018). Pyrometallurgical Processing of Desulphurization Slags. In: Davis, B., et al. Extraction 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-95022-8_9

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