电子束辐射技术在大气环境保护中的应用3

3:,61,,:1997201221:199720420132Vol.32,Suppl.19985AtomicEnergyScienceandTechnologyMay19983(,,102201)X5111993,SO21800,NOx650,2000,SO22500,162%SO2,1985175km21993280km2SO2,NOx(SCR)N2H2O80%90%,,,,,,,1SO2NOx,,,SO2NOxSO3NO2,,1,,,,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.,,,SO2NOx,[1]11Fig.1Processflowdiagram:1)N2,O2,H2O+e-OH3,O3,HO23,N32)SO2H2SO4SO2+O3SO3+H2OH2SO4SO2+OH3HSO33+OH3H2SO43)NOxHNO3NO+O3NO2+OH3HNO3NO+HO32NO2+OH3+OH3HNO3NO2+OH3HNO34)H2SO4+2NH3(NH4)2SO4HNO3+NH3NH4NO302132©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],,45kGy,80%90%(2)[3],NOx(3)2Fig.2RelationbetweenabsorptiondoseandSOremovalefficiencyatdifferenttemperatures:a6264;b6466;c6672:w(SO2)=(6.5915)10-4;w(NOx)=(1.5213)10-4;:w(NH3)=0.3010-4;3Fig.3RelationbetweenabsorptiondoseandNOxremovalefficiencyatdifferentNOconcentrationw(NOx):a(116118)10-4;b(118210)10-4;c(210212)10-4;d(212214)10-4w(SO2)=(6.5915)10-4;:6372;w(NH3)=031010-5;(1051088cm),110Lm0.3töm3,9918%2[4]1),2,,2),3),4)5)3[5]1)1121:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.%100700120019001193002100300051001176004200490091001152)22Table2CapitalcostofelectronbeamtechnologyöMWöö%100820716141300183971212660034290111433)3300MWTable3Operationcostofelectronbeamprocesssystem1)122614303818113212368104915306810274619:1)15a274619115241)11ö32),,,3),80%,1FrankNW,HiranoS.TheHistoryofElectronBeamProcessingforEnvironmentalPollutionControlandWorkPerformedintheUnitedStates.In:PenetranteBM,SchultheisSE(edit).Non2thermalPlasma22132©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:PartB,NatoASISeries.Springer2Verlag,BerlinHeidelberg.1993.126.2FuchsP,RothS,SchwingU,etal.RemovalofSO2andNOxbytheElectronBeamProcess.RadiatPhysChem,1988,31(1-3):45.3NambaH,TokunagaO,HashimotoS,etal.Pliot2scaleTestforElectronBeamPurificationofFlueGasfromCoal2combustionBoiler.RadiatPhysChem,1995,46(4-6):1103.4FrankNW.StatusandPerspectivesfortheElectronBeamTechnologyforFlueGasesTreatment.RadiatPhysChem,1992,40(4):262.5.ö.:..1994.56-58.APPLICATIONOFELECTRONBEAMRADIATIONINTHEAIRENVIRONMENTPROTECTIONTaiDerongJinGuangyu(InstituteofNuclearEnergyTechnology,TsinghuaUniversity,Beijing,102201)ABSTRACTSomerespectsoffluegasprocessingtechniqueofde2SO2andde2NOxusingelectronbeamirradiation,suchastheprincipalchemicalandphysicalprocesses,flowsheetofpilotplant,technicalfeaturesandeconomicindex,etc,aredescribedbrieflyinthepaper.KeywordsCoal2firedElectronbeamSO2removalNOxremovalFertilizer321:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.