Assessment of Aluminum-Oxygen Equilibrium in Liquid Iron and Activities in CaO-Al2O3-SiO2 Slags.

Abstract

Theequilibrium constant KAI for the reaction: 2~l + 3~=AI203(s) and the first-order interaction parameter e~1 were estimated at 1 873 K by using the values for the contents of oxygen, aluminumand other components obtained in slag-metal equilibrium experiments and those for activity of alumina, along with the respective interaction parameters. The values for log KAI and e~l were found to be 13.3~0.59 and -6.83~0.07.