Using pure magnesium desulfuration comes up some problems,such as slag is lack and watery,slag-off is difficult,using air brick help slag-off of molten iron tank is developed,material and installation site of air brick are selected and optimized in the practice,application of air brick is introduced in the paper.

Application of Mg-basic desulphuration at Baogang hot metal desulphuration station;

Application of Mg-desulfurization in Plant Flue Gas Treatment;

this paper introduces the production principles and methods of high-purity magnesium sulfate,and expounds its application in the aspects of foodt,health care,clinic,veterinary,and chemical reagent,etc.