Advantages：

　　1.The suitable working temperature range is 420-650℃.

　　2.High DeNOx efficiency.

　　3.Good wear resistance .

　　4.Good resistance to sulfur poisoning .

　　5.Good resistance to water intoxication .

　　6.Good resistance to hydrogen chloride poisoning.

　　　4NH3+4NO+O2→N2+H2O

　　8NH3+6NO2→N2+H2O