CALCULATION OF TERNARY Si–Fe–Al PHASE EQUILIBRIUM IN VACUUM DISTILLATION BY MOLECULAR INTERACTION VOLUME MODEL

  • Kai Liu The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;
  • Jijun Wu Kunming University of Science and Technology
  • Wenhui Ma State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming 650093, P.R. China The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China; Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan Provincial Universities, Kunming University of Science and Technology, Kunming 650093, P.R. China
  • Bin Yang a State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming 650093, P.R. China b The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;
  • Lingxin Kong a State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming 650093, P.R. China b The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;
  • Xianfei Zeng
  • Yongnian Dai a State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming 650093, P.R. China b The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China; c Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan Provincial Universities, Kunming University of Science and Technology, Kunming 650093, P.R. China

Abstract


The vacuum distillation of aluminum from Si-Fe-Al ternary alloy with high content of Al is studied by a molecular interaction volume model (MIVM) in this paper. The vapor-liquid phase equilibrium of the Si–Fe–Al system in vacuum distillation has been calculated using only the properties of pure components and the activity coefficients. A significant advantage of the model lies in its ability to predict the thermodynamic properties of liquid alloys using only binary infinite dilution activity coefficients. The thermodynamic activities and activity coefficients of components of the related Si-Fe, Si-Al and Fe-Al binary and the Si-Fe-Al ternary alloy systems are calculated based on the MIVM. The computational activity values are presented graphically, and evaluated with the reported experiment data in the literature, which shows that the prediction effect of the proposed model is of stability and reliability.

Author Biography

Xianfei Zeng
The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;

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Published
2014/12/17
How to Cite
Liu, K., Wu, J., Ma, W., Yang, B., Kong, L., Zeng, X., & Dai, Y. (2014). CALCULATION OF TERNARY Si–Fe–Al PHASE EQUILIBRIUM IN VACUUM DISTILLATION BY MOLECULAR INTERACTION VOLUME MODEL. Journal of Mining and Metallurgy, Section B: Metallurgy, 50(2), 171. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/6054
Issue
Vol. 50 No. 2 (2014)
Section
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