... dephosphorization in steelmaking. which can rise refining effective Calcium ferrite slags arises from their high capacity to absorb ... impurities (e.g., arsenic and antimony) while presenting a wide, homogeneous liquid area when mixed with iron oxides. ... concentrates and reduce bath contamination in the electrolytic refineries.Calcium ferrite is used as deoxidizer, desulfuration, dephosphorization in ...