Optimization of thermodynamic properties of the K2O-SiO2 system at high temperatures |
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| Authors: | Stefan Forsberg |
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| Affiliation: | (1) Department of Chemistry, Inorganic Chemistry, Ume? University, SE-901 87 Ume?, Sweden;(2) Present address: Studsvik Nuclear AB, SE-611 82 Nyk?ping, Sweden |
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| Abstract: | An optimized set of thermodynamic functions for the K2O-SiO2 system at 105 Pa pressure was obtained by considering available phase diagram and thermodynamic data. KSi0.25O and SiO2 were selected as components for the liquid phase. With respect to these components, the highly non-ideal interactions of
potassium oxide and silica could be described by using only three temperature-independent Redlich-Kister coefficients for
the excess G of the liquid phase. The result is in good agreement with experimental data. |
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