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Kinetics of Oxidation of Pyrrhotite

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  • First Online:
Extraction 2018

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

Abstract

Pyrrhotite is an iron deficient, low nickel content sulfide mineral that is commonly associated with pentlandite, a nickel -rich sulfide ; and are both main components of the nickel ore mined in Sudbury. Pyrrhotite tailings generated in the concentration of Ni ores are stored in tailing reservoirs and presents serious environmental risks including acid mine drainage . This study investigated the potential of converting pyrrhotite into a valuable resource through the use of fluidized bed roasting , in which the mineral will be oxidized to produce iron oxide and SO2 gas. These products can then be used to create iron for high-grade steel and elemental sulfur . Thermogravimetric analysis of Sudbury pyrrhotite was performed to study the oxidation kinetics , supporting the feasibility of this process. Further, energy and materials balance was carried out to establish the basic parameters of a possible roasting process.

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Author information

Authors and Affiliations

  1. Department of Materials Science and Engineering, University of Toronto, Toronto, ON, M5S3E4, Canada

    Anastasia Alksnis, Richard Elliott & Mansoor Barati

  2. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, 650093, China

    Bo Li

Authors
  1. Anastasia Alksnis
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  2. Bo Li
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  3. Richard Elliott
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  4. Mansoor Barati
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Corresponding author

Correspondence to Anastasia Alksnis .

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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© 2018 The Minerals, Metals & Materials Society

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Cite this paper

Alksnis, A., Li, B., Elliott, R., Barati, M. (2018). Kinetics of Oxidation of Pyrrhotite. In: Davis, B., et al. Extraction 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-95022-8_32

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