废气治理的低温等离子体催化协同净化技术

2(,510640)2(VOC),,Catalysis2assistednon2thermalplasmatechniqueforexhaustgascontrolGuoYufangYeDaiqi(DepartmentofEnvironmentalScienceandEngineering,CollegeofPaperMakingandEnvironmentalEngineering,SouthChinaUniversityofTechnology,Guangzhou510640)AbstractCatalysis2assistednon2thermalplasmatechniquebecomessignificantduetoitsadvantages,suchaslessenergyconsumption,lowercost,higherremovalefficiency,nosecondarypollution,etc.Theresearchandapplica2tiondevelopmentofthetechniqueinVOCsdisposal,NOxremoval,engineoff2gasespurificationorelsearesummedup.Theapplicationprospectofthistechnologyinthefieldofenvironmentalprotectionisproposed.Keywordsnon2thermalplasma;catalysis;synergisticeffect;exhaustgascontrol;VOCs:2002-11-21;:2003-01-14:(1980),,,,:1,(SO2NOxVOCsH2S)[13](non2thermalplasmacatalysis):,,,;,;,;;:,5%,;,,2,2ShigeruFu2tamura[4],O3MnO2;,,K1P1Franeke[5],,20%DCE()CO2;,70%DCE,CO2,,;,90%47Vol.4,No.720037TechniquesandEquipmentforEnvironmentalPollutionControlJul.2003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.DCE,CO2StefanBrÊer[6],140,,NOx;,70%NOx,,,:,,(),,,,[7],,1s,,,()300,2[8],(),,,,,,COCO2NONO2N2OO3,,,,,,,CoCuCrNiVPtPAl2O3PdPAl2O3RhRhZnO2FeOFe2O3,5,BaTiO3SrTiO3NbTiO3[9],(afterglow)(),,,,,,[10],,,(5500nm,100m2Pg),,,,,:;;,;,,,-3,,,,,,,[1114][15]244©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.[1618],,,,2311(VOC)ShigeruFutamura[4](HAP),O3,MnO2O3,MnO2,30%,,MnO2,94%BaTiO3COxCO2,N2O,N2O1HAPCO2,COCO2,BaTiO3O2,COCOxHAPMisookKang[19]PTiO2,3%,1000mgPm3,13kV,TiO2,40%;TiO2PO2,,13kV120min,70%;O2,TiO22Al2O380%120,[3],CuOPdPt,50500mLPmin,200020000mgPm3,70%95%,110mgPh;,90%9918%,CO,93%,250;,1HAPCO2HAPHAP(mol%)CO2P(CO+CO2)HAP(mol%)CO2P(CO+CO2)PhH320151790146CH2=CH2300146980138CH3Cl210133760128CCl4320122590113Cl3C2CH3210146960132Cl2C=CHCl430139990130Cl2C=CCl2290145980130CH3Br160137730132CH2Br2170127950125CH3CH2Br210145610137K1P1Francke[20],,,50;,VC()75%99%,DCE()44%69%,34%,120,17%VC,DCE6%10WhPm3(STP),,VCDCE80%,90%PLAZCAT2,90%98%:7000m3Ph;80%;1420mm1027mm990mm;90%98%;700Pa;420kg;50;2500W;4500,2,,,,312B1S1Rajanikanth[21]NOx,NO(Al2O3BaTiO3Al2O3+Pd),BaTiO3347:2©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.NOO2N2NON2NO265mgPm3,NO99%(NOO2CO2N2),,PdAl2O3NO,,NO300,,,4050,,StefanBrÊer[6]100250,V2O52WO3PTiO2(82%N213%O25%H2O500mgPm3NOx500mgPm3NH3)140,NOx;,70%NOx,100170mgPm3NO,110mgPm3NO2,60mgPm3NH3NONO2,:4NO+4NH3+O24N2+6H2O(1)6NO2+8NH37N2+12H2O(2)2NO2+2NH3N2+H2O+NH4NO3(s)(3)N+NON2+O(4)NH2+NON2+H2O(5)NH2+NO2N2O+H2O(6)O+NONO2(7)K1P1Franeke[5],12053mgPm3,20%;,40%;,80%,,,NONO2;,,20%NO;,NONO2;,50%NO;,80%NON2313KathiEpping[22],(EPA)NOx90%,(plasma2assistedcatalystsystems),NOx65%,,92%96%,(EPA)40%[23],,,;,,:,,,;,,,,22NOx(mgPm3)HC(mgPm3)CO(%)NOx(mgPm3)HC(mgPm3)CO(%)1000900680200110[24],,NOO2NO2NO2N2,:+NO+O2+HCNO2+HC(8)+NO2+HCN2+CO2+H2O(9)HansMiessner[25],SCR,,NOxAl2O3ZrO2,NO30eV,444©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.300,20000Ph,500mgPm3NO3,C3H6,NOx32CO(mgPm3)CO2(%)HC(mgPm3)O2(%)NOx(mgPm3)2498131391543408120914428C3H62071201017404C3H6207190917190:600LPh(STP)(GHSV10000Ph);:15WhPm3;:250;:112LPh(STP)314,,,Fujitsu2,1001gPm3,99%,Plasmacat,80000OU(),100OU,9919%;,800mgPm3,,,[26]10-9sCO2CO,,,SO2700LPh,90%,217WhPm3[27],CO2COCO2,CO2;,,,COCO2;,CO2COO2,,COO2,O2;COO24,,,;,,,,,,[1],,..,2001,21(6):324327[2],,..,2001,22(2):201210[3],,..,1999,12():179185[4]ShigeruFutamura,AihuaZhang,HisahiroEinaga,etal.In2volvementofcatalystmaterialsinnonthermalplasmachemicalprocessingofhazardousairpollutants.CatalysisToday,2002,72:259265[5]K.P.Francke,H.Miessner,R.Rudolph.Plasmacatalyticpro2cessesforenvironmentalproblems.CatalysisToday,2000,59:411416[6]StefanBrÊer,ThomasHammer.Selectivecatalyticreductionofnitrogenoxidesbycombininganon2thermalplasmaandaV2O52WO3PTiO2catalyst.AppliedCatalysisB:Environmental,2000,28:101111[7]UnikoUrashima,Jen2ShihChang.Removalofvolatileorganiccompoundsfromairstreamsandindustrialfluegasesbynon2thermalplasmatechnology.IEEETransactionsonDielectricsandElectricalInsulation,2000,7(5):602614547:2©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.[8]ToshiakiYamamoto,ChapelHill,N.C.Methodsandappara2tusforcontrollingtoxiccompoundsusingcatalysis2assistednon2thermalplasma.UnitedStatesPatent,5609736,Mar.11,1997[9],,..,1997,9(5):449454[10]Chang2junLiu,GheorghiP.Vissokov,BenW.2L.Jang.Cata2lystpreparationusingplasmatechnologies.CatalysisToday,2002,72:173184[11],,.SO2NOxCO2.,1996,36(1):4750[12],,.SO2NO.,1994,22(1):1722[13],..,1995,21(3):2529[14],,.NO.,1997,17(4):369372[15],,.NO.,2002,3(3):5659[16],,..(),2001,40(4):364367[17],M.ArifMalik,.CFC2113CCl4.,1999,20(5):5354[18],.CH2Cl2.,1997,18(5):6295[19]MisookKang,Bum2JoonKim,SungM.Cho,etal.Decomposi2tionoftolueneusinganatmosphericpressureplasmaPTiO2cat2alyticsystem.JournalofMolecularCatalysisA:Chemical,2002,180:125132[20]K.P.Francke,H.Miessner,R.Rudolph.Cleaningofairstre2amsfromorganicpollutantsbyplasma2catalyticoxidation.PlasmaChemistryandPlasmaProcessing,2000,20(3):393403[21]B.S.Rajanikanth,SatyabrataRout.Studiesonnitricoxidere2movalinsimulated