How to calculate activity coefficient of iron oxides in BOS slag?

I am calculating ratio of FeO: Fe2O3 in Basic Oxygen Steelmaking slag CaO-SiO2-FeO-Fe2O3-MgO-Al2O3 based on the reaction 2FeO + 1/2O2 = Fe2O3, and equilibrium constant of this reaction. I got the...

27 July 2017 392 5 View