Thermodynamics of PbO, ZnO and CuO0.5 IN CaO-SiO2-Al2O3 melts

Takaaki Ishikawa; Kenji Matsuzaki; Takayuki Tsukada; Kimihisa Ito

Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts

Takaaki Ishikawa^*, Kenji Matsuzaki, Takayuki Tsukada, Kimihisa Ito

^*Corresponding author for this work

School of Fundamental Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The distribution equilibria of lead, zinc and copper between CaO-SiO₂-Al₂O₃ melts and liquid copper were measured at 1623K under a controlled H₂-CO₂ atmosphere. The distribution ratios were plotted against the oxygen partial pressure, and reasonable oxide forms dissolved in the melts were estimated from the slopes of the plots. The activity coefficients of zinc oxide (ZnO), lead oxide (PbO) and cuprous oxide (CuO_0.5) increased with increasing slag basicity, defined by X_CaO/X_SiO2. The temperature dependence of the activity coefficients was also measured.

Original language	English
Title of host publication	Yazawa International Symposium
Subtitle of host publication	Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies
Editors	F. Kongoli, K. Itagaki, C. Yamauchi, H.Y. Sohn, F. Kongoli, K. Itagaki, C. Yamauchi, H.Y. Sohn
Pages	319-327
Number of pages	9
Publication status	Published - 2003
Event	Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Technologies; Materials Processing Fundamentals and New Technologies - San Diego, CA, United States Duration: 2003 Mar 2 → 2003 Mar 6

Publication series

Name	Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies
Volume	1

Conference

Conference	Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Technologies; Materials Processing Fundamentals and New Technologies
Country/Territory	United States
City	San Diego, CA
Period	03/3/2 → 03/3/6

ASJC Scopus subject areas

Engineering(all)

Cite this

Ishikawa, T., Matsuzaki, K., Tsukada, T., & Ito, K. (2003). Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts. In F. Kongoli, K. Itagaki, C. Yamauchi, H. Y. Sohn, F. Kongoli, K. Itagaki, C. Yamauchi, & H. Y. Sohn (Eds.), Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies (pp. 319-327). (Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies; Vol. 1).

Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts. / Ishikawa, Takaaki; Matsuzaki, Kenji; Tsukada, Takayuki et al.

Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies. ed. / F. Kongoli; K. Itagaki; C. Yamauchi; H.Y. Sohn; F. Kongoli; K. Itagaki; C. Yamauchi; H.Y. Sohn. 2003. p. 319-327 (Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ishikawa, T, Matsuzaki, K, Tsukada, T & Ito, K 2003, Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts. in F Kongoli, K Itagaki, C Yamauchi, HY Sohn, F Kongoli, K Itagaki, C Yamauchi & HY Sohn (eds), Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies. Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies, vol. 1, pp. 319-327, Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Technologies; Materials Processing Fundamentals and New Technologies, San Diego, CA, United States, 03/3/2.

Ishikawa T, Matsuzaki K, Tsukada T, Ito K. Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts. In Kongoli F, Itagaki K, Yamauchi C, Sohn HY, Kongoli F, Itagaki K, Yamauchi C, Sohn HY, editors, Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies. 2003. p. 319-327. (Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies).

Ishikawa, Takaaki ; Matsuzaki, Kenji ; Tsukada, Takayuki et al. / Thermodynamics of PbO, ZnO and CuO_0.5 IN CaO-SiO₂-Al₂O₃ melts. Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies. editor / F. Kongoli ; K. Itagaki ; C. Yamauchi ; H.Y. Sohn ; F. Kongoli ; K. Itagaki ; C. Yamauchi ; H.Y. Sohn. 2003. pp. 319-327 (Yazawa International Symposium: Metallurgical and Materials Processing: Principles and Techologies; Materials Processing Fundamentals and New Technologies).

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abstract = "The distribution equilibria of lead, zinc and copper between CaO-SiO2-Al2O3 melts and liquid copper were measured at 1623K under a controlled H2-CO2 atmosphere. The distribution ratios were plotted against the oxygen partial pressure, and reasonable oxide forms dissolved in the melts were estimated from the slopes of the plots. The activity coefficients of zinc oxide (ZnO), lead oxide (PbO) and cuprous oxide (CuO0.5) increased with increasing slag basicity, defined by XCaO/XSiO2. The temperature dependence of the activity coefficients was also measured.",

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