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Iron Recovery Technology of Red Mud—A review

Author

Listed:
  • Hao Kong

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Tuo Zhou

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Xinhua Yang

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Yingli Gong

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Man Zhang

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Hairui Yang

    (State Key Laboratory of Power Systems, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

Abstract

RM (red mud), which comes from the Bayer process, has a huge annual output and is harmful to the environment. Because of the high iron content in RM, the process of iron recovery from RM can reduce the amount of RM well and create economic benefits, so it is a promising process. The paper focuses on the review on the research of the iron recovery method from RM, which includes the physical recovery method, chemical recovery method and emerging recovery method. By comparing the advantages and disadvantages of these processes, it is concluded that the fluidized bed reduction is a promising process that can be rapidly applied to the industry, but it still needs more investigation to overcome the current technical difficulties in the near future.

Suggested Citation

  • Hao Kong & Tuo Zhou & Xinhua Yang & Yingli Gong & Man Zhang & Hairui Yang, 2022. "Iron Recovery Technology of Red Mud—A review," Energies, MDPI, vol. 15(10), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:10:p:3830-:d:821902
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    References listed on IDEAS

    as
    1. Rita Khanna & Yuri Konyukhov & Dmitry Zinoveev & Kalidoss Jayasankar & Igor Burmistrov & Maksim Kravchenko & Partha S. Mukherjee, 2022. "Red Mud as a Secondary Resource of Low-Grade Iron: A Global Perspective," Sustainability, MDPI, vol. 14(3), pages 1-21, January.
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