Control of Oxygen Potential and Its Effect on Dephosphorization of Ferromanganese

查看全文 作　　者：Dong [1]Yuanchi; Guo [1]Shangxing; Chen [1]Erbao 机构地区：[1]East China University of Metallurgy 出　　处：《Journal of Iron and Steel Research(International)》索引1999年第6卷第1期,共4页 基　　金：This project is sponsored by the National Foundation of Natural Science of China 摘　　要：The relation of Lp(the ratio P content in slag to P content in ferromanganese) and L_(mn),(the ratio Mn content in slag to Mn content in ferromanganese) with C content[C]in ferromanganese were tested by means of the equilibrium experiments of P and Mn between ferromanganese and BaO-BaF_2-MnO slag system.The results show that there exists in ferromanganese an optimum C content[C]* corresponding to maximum L_P and minimum L_(Mn)> which is closely related to oxygen potential in the system and the activity of P in the alloy.The control limits of oxygen potential in dephosphorization of ferromanganese are then analyzed.The theoretical limits and measures to improve ferromanganese dephosphorization with BaO-based slag are studied comprehensively based on previous research. 关 键 词：BZ FERROMANGANESE DEPHOSPHORIZATION OXYGEN POTENTIAL ACTIVITY