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The Effect of Oxygen Potential on the Sulfide Capacity for Slags Containing Multivalent Species

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Abstract

The dependence of sulfide capacity on the oxygen partial pressure for slags containing multivalent species was investigated experimentally using a slag containing vanadium oxide. Copper–slag equilibration experiments were carried out at 1873 K (1600 °C) in the approximate oxygen partial pressure range 10−15.4 to 10−9 atm. The sulfide capacity was found to be strongly dependent on the oxygen potential in this slag system, increasing with the oxygen partial pressure. The sulfide capacity changed by more than two orders of magnitude over the oxygen partial pressure range. The effect of changing oxygen partial pressure was found to be much greater than the effect of changing slag composition at a fixed oxygen partial pressure.

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Acknowledgments

The authors are thankful to Professor Mats Hillert for his comments and interest in this work.

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Authors and Affiliations

  1. Department of Science and Engineering, Royal Institute of Technology (KTH), 100 44, Stockholm, Sweden

    Carl Allertz (Researcher), Malin Selleby (Professor) & Du Sichen (Professor)

Authors
  1. Carl Allertz
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  2. Malin Selleby
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  3. Du Sichen
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Corresponding author

Correspondence to Du Sichen.

Additional information

Manuscript submitted February 23, 2016.

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Allertz, C., Selleby, M. & Sichen, D. The Effect of Oxygen Potential on the Sulfide Capacity for Slags Containing Multivalent Species. Metall Mater Trans B 47, 3039–3045 (2016). https://doi.org/10.1007/s11663-016-0725-7

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  • DOI: https://doi.org/10.1007/s11663-016-0725-7

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