... of the passivation magnesium powder.Content of granularity, loose density, Mg, CaO, CaF2, MgO, P, S and H2O is checked ... equipment processing of magnesium based desulfuratioin agent must be provided.Mg based desulfuration agent is generally mixed used with CaO based ... desulfuration agent is around 1280±30°C.After blowing in Mg based desulfuration agent, temperature of molten iron will drop 10 ...