Summary:Chinaisacoal-basedenergystructuretothecountry,airpollutionisasoot-basedpollution,dust,sulphurdioxide(SO2),nitrogenoxides(NOx)isthemajoratmosphericpollutants.Currentandmoreeffectivemeansofgasdesulfurizationis(FlueGasDesulfurizationshortfor"FGD").Gasdesulfurizationisthesulphurdioxideemissionsfromcoal-firedpowerplantsandothermajorcontrolmeasures.AndwetlimestonewashingFranceistheworld'slargestandmostmatureapplicationofthetechnology.StatePowerCorporationhasidentifiedaswetlimestonedesulfurizationprocessesgasdesulfurizationplantfireleadingtechnology.Limestone(lime)-gypsumwetdesulfurizationplantandthenonferrousmetalsindustryisthemainformofgasdesulfurization,whichhascraftsmaturereliable,highdesulfurizationefficiency,desulfurizationagentsrichsourcesofrawmaterialsandby-productssuchasgypsummayuseadvantages.