A method of protecting a NOx reducing catalyst 140 from fouling, where the NOx reducing catalyst 140 is downstream of a circulating fluidized bed (CFB) boiler 120 and upstream of a particulate removal device 150. The method includes introducing a SOx removing reagent 212 in a calcium to sulfur molar...http://www.google.es/patents/US7910075?utm_source=gb-gplus-sharePatente US7910075 - System and method of protecting a NOx reducing catalyst
System and method of protecting a NOx reducing catalyst
