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Experimental Study on Phosphorus Vaporization for Converter Slag by SiC Reduction

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REWAS 2019

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

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Abstract

The phosphorus vaporization experiment of converter slag was carried out in laboratory with SiC as reducing agent. The results show that 2CaO·SiO2 and 3CaO·SiO2 are the main phases in the final slag . After phosphorus vaporization operation, the dendritic Fe phase and a large number of C phases were distributed in the phosphorus vaporization slag excepted the above phase. The experimental result shows that phosphorus vaporization rate decreased with increasing the basicity in the slag. Phosphorus vaporization rate first increased and then decreased with increasing FeO in the slag and reached the maximum when the content of FeO was 20–25%. Phosphorus vaporization rate showed an upward trend with the increase of nitrogen flow rate and tended to be slow when the nitrogen flow rate was 0.4 m3/h. Phosphorus vaporization rate increased with increasing the reaction temperature, and the growth rate became gentle when the temperature was more than 1600 °C. Excessive addition of SiC will not obviously increase the phosphorus vaporization rate.

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Author information

Authors and Affiliations

  1. College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, 063009, Hebei, China

    Y. K. Xue, S. H. Wang, D. G. Zhao & C. X. Li

  2. Tangshan City Special Metallurgy and Material Preparation Laboratory, Tangshan, 063009, Hebei, China

    Y. K. Xue, S. H. Wang, D. G. Zhao & C. X. Li

Authors
  1. Y. K. Xue
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  2. S. H. Wang
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  3. D. G. Zhao
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  4. C. X. Li
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Corresponding author

Correspondence to S. H. Wang .

Editor information

Editors and Affiliations

  1. Alfred University, Alfred, NY, USA

    Gabrielle Gaustad

  2. Gopher Resource, Eagan, MN, USA

    Camille Fleuriault

  3. Norwegian University of Science and Technology, Trondheim, Norway

    Mertol Gökelma

  4. Purdue University, West Lafayette, IN, USA

    John A. Howarter

  5. Massachusetts Institute of Technology, Cambridge, MA, USA

    Randolph Kirchain

  6. Colorado State University, Fort Collins, CO, USA

    Kaka Ma

  7. Umicore, Olen, Belgium

    Christina Meskers

  8. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

  9. Massachusetts Institute of Technology, Cambridge, MA, USA

    Elsa Olivetti

  10. Worcester Polytechnic Institute, Worcester, MA, USA

    Adam C. Powell

  11. Worcester Polytechnic Institute, Worcester, MA, USA

    Fiseha Tesfaye

  12. Johan Gadolin Process Chem Ctr, Abo Akademi University, Turku, Finland

    Dirk Verhulst

  13. ArcelorMittal Global R&D, Schererville, IN, USA

    Mingming Zhang

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© 2019 The Minerals, Metals & Materials Society

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Xue, Y.K., Wang, S.H., Zhao, D.G., Li, C.X. (2019). Experimental Study on Phosphorus Vaporization for Converter Slag by SiC Reduction. In: Gaustad, G., et al. REWAS 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-10386-6_46

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