Study on sulphide capacity of CaO-SiO2-Al2O3-MgO-FetO slags

Chengli Wang; Qing Lu; Shuhui Zhang; Fumin Li

doi:10.1016/S1005-8850(06)60045-5

Volume 13 Issue 3

Jun. 2006

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文章导航 > 矿物冶金与材料学报（英文版） > 2006 > 13(3) : 213-217. > DOI: 10.1016/S1005-8850(06)60045-5

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Chengli Wang, Qing Lu, Shuhui Zhang, and Fumin Li, Study on sulphide capacity of CaO-SiO₂-Al₂O₃-MgO-FetO slags, J. Univ. Sci. Technol. Beijing , 13(2006), No. 3, pp.213-217. https://dx.doi.org/10.1016/S1005-8850(06)60045-5

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Metallurgy

Study on sulphide capacity of CaO-SiO₂-Al₂O₃-MgO-FetO slags

Chengli Wang¹⁾,
Qing Lu^2), ,,
Shuhui Zhang¹⁾,
Fumin Li^1,2)

School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China
College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, China

基金项目:

This project was financially supported by the National Natural Science Foundation of China (No.50574036) and Natural Science Foun-dation of HeBei Province, China (No.502267).

通信作者:
Qing Lu E-mail: lq@heut.edu.cn

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中文摘要

The sulphide capacity of CaO-SiO₂-Al₂O₃-MgO-FetO slags was studied at 1773 K using gas-slag equilibrium techniques. Utilizing a Pt crucible, the slag was equilibrated with a mixture of gases, namely, CO, CO₂, SO₂ and N₂ to provide the partial pressure of oxygen and sulphur. It was shown that at fixed FetO and Al₂O₃ contents and a fixed {(%CaO)+(%MgO)}/(%SiO₂) ratio, the sulphide capacity decreases with increasing MgO content. At a constant (%CaO)/(%SiO₂) ratio and constant MgO and Al₂O₃ contents, increasing the FetO content of the slags also results in an increase of the sulphide capacity. The rising basicity of (%CaO)/(%SiO₂) from 1.0 to 1.4 at fixed MgO, FetO and Al₂O₃ contents significantly increases the sulphide capacity.

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Metallurgy

Study on sulphide capacity of CaO-SiO₂-Al₂O₃-MgO-FetO slags

Chengli Wang¹⁾,
Qing Lu^2), ,,
Shuhui Zhang¹⁾,
Fumin Li^1,2)

Author Affilications

School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China
College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, China

Funds:
This project was financially supported by the National Natural Science Foundation of China (No.50574036) and Natural Science Foun-dation of HeBei Province, China (No.502267).
Received: 16 June 2005;

Abstract:

Keywords:

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