臭氧氧化脱除硫化氢的动力学

28520099ENVIRONMENTALCHEMISTRYVol.28,No.5September20092008108.3(No150476059);973(No.2006CB200303);(No150525620).31112(1,,330031;2,,310027),,247411,25,3,93%1,2s,1,150200125,1,20s,H2S9019%1,,,.,1H2S,,,1,1[1,2][3,4],1,1,[5,6],1,H2S,111,(5010-6,N2)U,1U13,11O3INUSAIN2000,02114gm-3,2114mgm-31H2S12O3,O2,H,O,OH,H2O,H2O2,HO2,N2,H2,N,NO,NO2,NO3,N2O,HNO2,HNO,HNO3,N2O5,SO,SO2,SO3,H2S,S24,74,SandiaCHEMKINAURORA13125,H2S5010-6,2s,1,1[O3]0/[H2S]0()3,H2S93%15:745O3,,H2S,,,O312,[O3]out/[O3]0,1100,:=(1-[O3]out/[O3]0)100%(1)(4400250)10-612150,,[O3]out/[O3]0,10s,[O3]out/[O3]00172,28%.200,,10s,[O3]out/[O3]001133,8617%1250,2s11Fig11Comparisonbetweensimulationandexperiment2Fig12Ratesofozonethermo2decomposition,(2)(3)O3,,1,,,(3);,1O3+O=2O2(2)O3+H2S=H2O+SO2(3),313,1,2s,H2S150200,92188%1,,O314,,50,3O3,O3;250,(2)(3)O3,O313Fig13Variationsofhydrogensulfideconcentrationwithtemperature4Fig14Sensitivityanalysisofozone5,,1,20sH2S9019%,,1746285Fig15Variationsofhydrogensulfideconcentrationwithresidencetime,(1)25,2s,3,H2S93%1,1(2)(4400250)10-6,150,,10s28%1200,,10s8617%1250,2s1(3)2s,1H2S150200,92188%1.[1]ParkDH,ChaJM,RyuHWetal1,HydrogenSulfideRemovalUtilizingImmobolizedThiobacillussp1IWwithCa2alginateBead.BiochemicalEngineeringJournal,2002,11167173[2],,.,2004,4(3)214217[3],,,.,2005,24(3)278282[4]JarvisJB,DayAT,SuchakNJ,LoTOxTMProcessFlexibilityandMulti2PollutantControlCapability.TheMegaSymposiumandAir&WasteManagementAssociation’sSpecialtyConference,2003,1922[5]MokYS,LeeHJ,RemovalofSulfurDioxideandNitrogenOxidesbyUsingOzoneInjectionandAbsorption2ReductionTechnique,FuelProcessingTechnology,2006,87(7)591597[6],,,.,2006,26(4)563567KINETICMODELINGOFHYDROGENSULFIDEREMOVALBYOZONEOXIDATIONWEILin2sheng1ZHANGYa2fang1HUZhao2ji1WANGZhi2hua2(1SchoolofEnvironmental&ChemicalEngineering,NanchangUniversity,Nanchang,330031,China;2StateKeyLaboratoryofCleanEnergyUtilization,ZhejiangUniversity,Hangzhou,310027,China)ABSTRACTAnewremovaltechnologyofhydrogensulfidebyozoneoxidationisinvestigated1Adetailedkineticmodelconsidering24speciesand74reactionswasconstructedforhydrogensulfideoxidationbyozone1Theagreementbetweentheresultspredictedbythemodelandtheexperimentaldataissatisfactory1Themodelprovidesbetterinsightintotheoxidationprocess1TheexperimentalresultsshowthatH2Soxidizationefficiencyisabout93%at25and[O3]0/[H2S]0=31Thesimulatedresultsshowthattheoptimumtemperatureis150200at[O3]0/[H2S]0=1in2s,andtheH2Soxidizationefficiencyis9019%at25and[O3]0/[H2S]0=1in20s1Keywords:ozone,hydrogensulfide,reactionmechanism,oxidation