Activities of lead and zinc oxides in CaO-SiO2-FeO x-AlO1.5 slag

Katsunori Yamaguchi; Masami Kudo; Yusuke Kimura; Shigeru Ueda; Yoichi Takeda

Activities of lead and zinc oxides in CaO-SiO₂-FeO _x-AlO_1.5 slag

Katsunori Yamaguchi^*, Masami Kudo, Yusuke Kimura, Shigeru Ueda, Yoichi Takeda

^*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

The zinc, lead and alumina contents in copper smelting slag are increasing with the increase in waste recycling. The recovery of base metals such as lead and zinc from copper converter slag is important from both an economical and environmental perspective. As a fundamental study of the metal recovery by reduction process, activity coefficients of ZnO and PbO in the CaO-SiO ₂-FeO_x-5mass%AlO_1.5 slag under iron saturation at 1573K are derived from the data of slag-metal equilibrium experiments. On the basis of the obtained data, the activity coefficients of ZnO and PbO in the CaO-SiO₂-FeO_x-5mass%AlO_1.5 slag were compared with those of the CaO-SiO₂-FeO_x ternary system. Addition of alumina increases activities coefficient of ZnO and PbO in SiO₂ rich side of the slag, and decreases them in CaO rich side.

Original language	English
Title of host publication	Sohn International Symposium
Subtitle of host publication	Advanced Processing of Metals and Materials - Proceedings of the International Symposium
Pages	199-208
Number of pages	10
Publication status	Published - 2006 Dec 1
Externally published	Yes
Event	2006 TMS Fall Extraction and Processing Division: Sohn International Symposium - San Diego, CA, United States Duration: 2006 Aug 27 → 2006 Aug 31

Publication series

Name	2006 TMS Fall Extraction and Processing Division: Sohn International Symposium
Volume	1

Conference

Conference	2006 TMS Fall Extraction and Processing Division: Sohn International Symposium
Country/Territory	United States
City	San Diego, CA
Period	06/8/27 → 06/8/31

Keywords

Activity coefficient
Copper smelting
Slag cleaning

ASJC Scopus subject areas

Engineering(all)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Cite this

Activities of lead and zinc oxides in CaO-SiO₂-FeO _x-AlO_1.5 slag. / Yamaguchi, Katsunori; Kudo, Masami; Kimura, Yusuke et al.
Sohn International Symposium: Advanced Processing of Metals and Materials - Proceedings of the International Symposium. 2006. p. 199-208 (2006 TMS Fall Extraction and Processing Division: Sohn International Symposium; Vol. 1).

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

Yamaguchi, K, Kudo, M, Kimura, Y, Ueda, S & Takeda, Y 2006, Activities of lead and zinc oxides in CaO-SiO₂-FeO _x-AlO_1.5 slag. in Sohn International Symposium: Advanced Processing of Metals and Materials - Proceedings of the International Symposium. 2006 TMS Fall Extraction and Processing Division: Sohn International Symposium, vol. 1, pp. 199-208, 2006 TMS Fall Extraction and Processing Division: Sohn International Symposium, San Diego, CA, United States, 06/8/27.

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abstract = "The zinc, lead and alumina contents in copper smelting slag are increasing with the increase in waste recycling. The recovery of base metals such as lead and zinc from copper converter slag is important from both an economical and environmental perspective. As a fundamental study of the metal recovery by reduction process, activity coefficients of ZnO and PbO in the CaO-SiO 2-FeOx-5mass%AlO1.5 slag under iron saturation at 1573K are derived from the data of slag-metal equilibrium experiments. On the basis of the obtained data, the activity coefficients of ZnO and PbO in the CaO-SiO2-FeOx-5mass%AlO1.5 slag were compared with those of the CaO-SiO2-FeOx ternary system. Addition of alumina increases activities coefficient of ZnO and PbO in SiO2 rich side of the slag, and decreases them in CaO rich side.",

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AU - Yamaguchi, Katsunori

AU - Kudo, Masami

AU - Kimura, Yusuke

AU - Ueda, Shigeru

AU - Takeda, Yoichi

PY - 2006/12/1

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N2 - The zinc, lead and alumina contents in copper smelting slag are increasing with the increase in waste recycling. The recovery of base metals such as lead and zinc from copper converter slag is important from both an economical and environmental perspective. As a fundamental study of the metal recovery by reduction process, activity coefficients of ZnO and PbO in the CaO-SiO 2-FeOx-5mass%AlO1.5 slag under iron saturation at 1573K are derived from the data of slag-metal equilibrium experiments. On the basis of the obtained data, the activity coefficients of ZnO and PbO in the CaO-SiO2-FeOx-5mass%AlO1.5 slag were compared with those of the CaO-SiO2-FeOx ternary system. Addition of alumina increases activities coefficient of ZnO and PbO in SiO2 rich side of the slag, and decreases them in CaO rich side.

AB - The zinc, lead and alumina contents in copper smelting slag are increasing with the increase in waste recycling. The recovery of base metals such as lead and zinc from copper converter slag is important from both an economical and environmental perspective. As a fundamental study of the metal recovery by reduction process, activity coefficients of ZnO and PbO in the CaO-SiO 2-FeOx-5mass%AlO1.5 slag under iron saturation at 1573K are derived from the data of slag-metal equilibrium experiments. On the basis of the obtained data, the activity coefficients of ZnO and PbO in the CaO-SiO2-FeOx-5mass%AlO1.5 slag were compared with those of the CaO-SiO2-FeOx ternary system. Addition of alumina increases activities coefficient of ZnO and PbO in SiO2 rich side of the slag, and decreases them in CaO rich side.

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