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Elemental Distributions Between Spinel and Liquid Phases in Vanadium-Bearing Slags at High Temperatures

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Abstract

Herein the elemental distributions (V2O3, Cr2O3, Al2O3, and MgO) between spinel and liquid phases were identified in vanadium-bearing slags at 1200 °C to 1600 °C. The methodology includes melting, quenching and EPMA. We found upon increasing temperatures, V2O3 concentration in spinel decreased while that in liquid phase increased; and more CaO induced the transfer of V2O3 from spinel to liquid phase. This study provided important clues to target adjust elemental distributions among key phases in vanadium-bearing slags.

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Acknowledgments

The authors thank the PANYAN-UQ Collaborative Research Project (2019001288), The National Science Fund for Overseas Excellent Young Scholars (21FAA01748) and the National Natural Science Foundation of China (52274415) for financial support. The authors acknowledge the facilities and the scientific and technical assistance of the Australian Microscopy & Microanalysis Research Facility, Centre for Microscopy and Microanalysis, The University of Queensland.

Conflict of interest

On behalf of all authors, the corresponding author state that there is no conflict of interest.

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Authors and Affiliations

  1. Pangang Group Panzhihua Steel Research Institute Co., Ltd. (PANYAN), Panzhihua, 617000, P.R. China

    Lian Chen & Mao Chen

  2. State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua, 617000, P.R. China

    Lian Chen & Mao Chen

  3. School of Metallurgy and Environment and National Center for International Cooperation of Clean Metallurgy, Central South University, Changsha, 410083, P.R. China

    Yongqi Sun

  4. Sustainable Minerals Institute, University of Queensland, Brisbane, 4072, Australia

    Xiaodong Ma

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  1. Lian Chen
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  2. Mao Chen
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  3. Yongqi Sun
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  4. Xiaodong Ma
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Correspondence to Yongqi Sun.

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Chen, L., Chen, M., Sun, Y. et al. Elemental Distributions Between Spinel and Liquid Phases in Vanadium-Bearing Slags at High Temperatures. Metall Mater Trans B 54, 1618–1623 (2023). https://doi.org/10.1007/s11663-023-02807-3

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  • DOI: https://doi.org/10.1007/s11663-023-02807-3

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