Applicability of law of mass action to distribution of
manganese between slag melts and liquid iron
manganese between slag melts and liquid iron
(School of Metallurgical Engineering, University of
Science and Technology Beijing, Beijing 100083, P.R.China)
Science and Technology Beijing, Beijing 100083, P.R.China)
Abstract: According to the law of mass action and the coexistence theory of slag structure, the distribution of manganese between MnO-FeO-SiO2 and MgO-MnO-FeO-SiO2 slag melts as well as liquid iron was analyzed. It is shown that K ′Mn and K Mno are only dependent on temperature and don't change with basicities and compositions of slag melts. So the distribution of manganese between the above mentioned slag melts and molten iron obeys the law of mass action. But analysis of experimental results from other sources shows that K ′Mn and K Mno really change with basicities of slag, which is probably arisen from not approaching equilibrium under low basicity slag melts.
Key words: manganese distribution; the law of mass action; the coexistence theory of slag structure; mass action concentration