2002•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Applicability of mass action law to sulphur distribution between slag melts and liquid iron

JianZhang

Abstract

According to the mass action law and the coexistence theory of slag structure, the calculating models of mass action concentration for CaO-MgO-FeO-Fe2O3-SiO2, CaO-MgO-MnO-FeO-Fe2O3-P2O5-SiO2 and CaO-MgO-MnO-FeO-Fe2O3-Al2O3-P2O5-SiO2 slag melts are formulated and sulphur distribution between the slag melts and liquid iron is treated. It is found that CaO, MnO and FeO promote desulphurization, while MgO is detrimental to desulphurization. In addition, the sulphur distribution coefficients between the slag melts and liquid iron are presented.

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Available abstract

Key concepts: Slag (welding), Coexistence theory, Sulfur, Law of mass action, Metallurgy, Mass action law, Materials science, Chemistry