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Mathematical description of the thermodynamic properties of the systems Fe-0 and Fe-O-SiO2

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Abstract

The thermodynamic properties of the liquid slag and iron phases in the system Fe-O-SiO2 and the solid and liquid phases in the system Fe-O have been correlated by mathematical relations that describe the solution phases in terms of hypothetical solution species in equilibrium with each other, and behaving in a nonideal manner, described by a form of the Margules equations. Parameters that describe the properties of the species, and their nonideal behavior, are determined empirically from existing thermochemical measurements. The correlations are, for the most part, as accurate as the data on which they are based. The method supplies a much needed practical description of slag chemistry that can be extended to complex slags of four or more components.

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Authors and Affiliations

  1. Asarco Inc., Central Research Laboratories, South Plainfield, NJ

    R. P. Goel (Senior Research Engineer)

  2. Henry Krumb School of Mines, Columbia University, 10027, NY

    H. H. Kellogg (Stanley-Thompson Professor of Chemical Metallurgy) & J. L Rrain (Associate Professor of Mineral Engineering)

Authors
  1. R. P. Goel
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  2. H. H. Kellogg
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  3. J. L Rrain
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Formerly Graduate Student, Henry Krurab School of Mines, Columbia University

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Goel, R.P., Kellogg, H.H. & Rrain, J.L. Mathematical description of the thermodynamic properties of the systems Fe-0 and Fe-O-SiO2 . Metall Trans B 11, 107–117 (1980). https://doi.org/10.1007/BF02657179

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  • DOI: https://doi.org/10.1007/BF02657179

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