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Determination of Viscosity and Surface Tension for CaO–SiO2–CaF2 Slags

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Abstract

Determination of the physicochemical properties of solutions is important for industrial applications. Geometrical models, specifically the “mass triangle model” and a new model, have been utilized to calculate the viscosity and surface tension of CaO–SiO2–CaF2 slags based on the corresponding ternary system boundary data within the partially soluble region. The two models are validated with available experimental data in terms of viscosity and surface tension. Results reveal that the models are capable of estimating the physicochemical properties of the ternary system with limited solubility with high accuracy. The new model predicts the viscosity better, but the mass triangle model may perform better for the surface tension predictions. It is expected that these two solution models could be applied to the calculation of physicochemical properties of more ternary systems with limited solubility, especially when the systems are with high melting points or/and volatile components and/or easily oxidized or reduced components.

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Acknowledgements

This work was financially supported by the China Postdoctoral Science Foundation (No. 2018M631339), the Fundamental Research Funds for the Central Universities (No. FRF-TP-18-008A1) and the Key Program of the National Natural Science Foundation of China (No. 51734002).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Metallurgy & School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China

    Cui Wang & Kuo-Chih Chou

  2. State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University, 99 Shangda Road, Baoshan District, Shanghai, 200444, China

    Kuo-Chih Chou & Zhi-Gang Yu

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  1. Cui Wang
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  2. Kuo-Chih Chou
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Correspondence to Kuo-Chih Chou.

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Wang, C., Chou, KC. & Yu, ZG. Determination of Viscosity and Surface Tension for CaO–SiO2–CaF2 Slags. J Solution Chem 49, 863–874 (2020). https://doi.org/10.1007/s10953-020-00998-w

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  • DOI: https://doi.org/10.1007/s10953-020-00998-w

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