Calculation of ternary Si-Fe-Al phase equilibrium in vacuum distillation by molecular interaction volume model

Liu K.; Wu J.J.; Ma W.H.; Yang B.; Yang X.; Kong L.X.; Zeng X.F.; Dai Y.N.

doi:10.2298/JMMB140508021L

Journal of Mining and Metallurgy. Section B: Metallurgy (Jan 2014)

Calculation of ternary Si-Fe-Al phase equilibrium in vacuum distillation by molecular interaction volume model

Liu K.,
Wu J.J.,
Ma W.H.,
Yang B.,
Yang X.,
Kong L.X.,
Zeng X.F.,
Dai Y.N.

Affiliations

Liu K.: The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China + Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan P
Wu J.J.: State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming, P.R. China + The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and
Ma W.H.: State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming, P.R. China + The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and
Yang B.: State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming, P.R. China + The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and
Yang X.: The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China + Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan P
Kong L.X.: The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China
Zeng X.F.: The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China + Engineering Research Center for Silicon Metallurgy and Silicon Materials of Yunnan P
Dai Y.N.: State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization in Yunnan Province, Kunming University of Science and Technology, Kunming, P.R. China + The National Engineering Laboratory for Vacuum Metallurgy, Faculty of Metallurgical and

DOI: https://doi.org/10.2298/JMMB140508021L
Journal volume & issue: Vol. 50, no. 2
pp. 171 – 176

Abstract

Read online

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.

Published in Journal of Mining and Metallurgy. Section B: Metallurgy

ISSN: 1450-5339 (Print); 2217-7175 (Online)
Publisher: Technical Faculty, Bor
Country of publisher: Serbia
LCC subjects: Technology: Mining engineering. Metallurgy
Website: http://www.doiserbia.nb.rs/journal.aspx?issn=1450-5339

About the journal

Abstract

Keywords