反硝化过程中温室气体N2O产生和积累的影响因素陈庆伟

N2O*200092N2O。N2ON2O。C/N、、pH、、NO2－-NN2ONosN2O。C/NN2OX169A0517－6611201119－11667－02InfluenceFactorsofN2OProductionandAccumulationduringDenitrificationCHENQing-weietalArchitecturalDesignandResearchInstituteblocCo．Ltd．TongjiUniversityShanghai200092AbstractThedenitrificationtreatmentofsewageproducesnotonlythefinalproductN2butalsotheintermediateproductofNitrousOxideN2Owhichisoneoftheimportantpotentgreenhousegases．Ithasimportanttheoreticalandpracticalsignificancetounderstandingthepro-ductionmechanismandinfluencefactorsofN2O．InfluencefactorsofN2OaccumulationduringdenitrificationaresummarizedandanalyzedinthispaperincludingC/NratioDOpHvaluetemperatureandNO2－-N．TherelationshipbetweenthenitrousoxidereductaseNosactiv-ityandN2Oaccumulationduringdenitrificationhasalsobeendiscussed．KeywordsDenitrificationC/NratioDissolvedoxygenN2OGreenhousegas2006BAJ04A072008ZX07421-002。1978－。*[e-mail]。2011-03-28N2OCO2CH41N2O。N2O3102。N2ON2OC/N、、pH、、NO2－-N。NosN2O。1N2ON2ON2O3。N2ON2ON2O4。N2O。2N2O2．1C/NC/NN2O。N2ON2O。SunjinHwangC/N3N2OC/N2130mg/LN2ON2O5HanakiC/NN2O6。ParkN2OC/N7KishidaNaohiroBOD5/N2．6N2OBOD5/N4．52708AlinsafiCOD/NO3－N2ON2ON2ONos9。2．2DON2O。GaelleN2O10。SchulthessN2O0．5mg/LN2O1%4mg/LN2O6%11。N2ONos12N2ON2N2O。N2O。2．3pHpH、、HNO2pHN2O。HanakipH＜6．5N2OpHN2O6。ThomsenJensK13pHN2O。1pH=5．5NO2－-NNO2－-NN2ON2N2O。pHN2O。pH=9．5NO2－-N67%NO2－-NN2O33%N2N2O。pHpHN2O。pHN2O6。YanZhoupHHNO2JournalofAnhuiAgri．Sci．2011391911667－11668DOI:10.13989/j.cnki.0517-6611.2011.19.058IINO2－-NIIIN2O。。NotePhaseIIreferstothetransformationofallNO2－-NphaseIIIreferstothetransformationofallN2O．Thefigureabovethear-rowreferstothetransformationrate．1pHN2OFig．1InfluenceofpHvalueonthereductionofN2O14。pHNO2。2．4。Gejls-bergN2O15。N2OGe-jlsberg。2．5NO2－-NNO2－-NN2ON2ONO2－-N16。N2ONO2－-NNO2－-NN2ONO2－N2O17。AlinsafiNO2－N2O9。NO2－N2O3h75mg/LNO2－5mg/L18。LemaireNO2－-NN2O19。2．6H2S、、、20NosN2O。3、N2ONos。N2ONosN2ON2O。NosC/N、DO、pH、、NO2－-N。NosN2ON2O。N2ON2O。1IPCC．Climatechange2007ThephysicalsciencebasisSummaryforpoli-cymakersM．CambridgeCambridgeUniversityPress200745－47．2IPCC．2006IPCCguidelinesfornationalgreenhousegasinventoriesR．IPCC2006102－103．3．N2OJ．20103635－9．4FOLEYJdeHAASDYUANZGetal．Nitrousoxidegenerationinfull－scalebiologicalnutrientremovalwastewatertreatmentplantsJ．WaterResearch2010443831－844．5HWANGSJANGKSONGHetal．Factorsaffectingnitrousoxidepro-ductionacomparisonofbiologicalnitrogenremovalprocesseswithpartialandcompletenitrificationJ．Biodegradation200617119－29．6HANAKIKZHENGHMATSUOZ．ProductionofnitrousoxidegasduringdenitrificationofwastewaterJ．WaterScienceandTechnology1992261/121027－1036．7PARKKYINAMORIYMIZUOCHIMetal．Emissionandcontrolofni-trousoxidefromabiologicalwastewatertreatmentsystemwithintermittentaerationJ．JournalofBioscienceandBioengineering2000903247－252．8KISHIDANKIMJHKIMOCHIYetal．EffectofC/NratioonnitrousoxideemissionfromswinewastewatertreatmentprocessJ．WaterScienceandTechnology2004495/6359－371．9ALINSAFIAADOUANINBELINEFetal．NitriteeffectonnitrousoxideemissionfromdenitrifyingactivatedsludgeJ．ProcessBiochemistry2008436683－689．10TALLECGGARNIERJBILLENGetal．NitrousoxideemissionsfromdenitrifyingactivatedsludgeofurbanwastewatertreatmentplantsunderanoxiaandlowoxygenationJ．BioresourceTechnology20089972200－2209．11SCHULTHESSRVWILDDGUJERW．NitricandnitrousoxidefromdenitrifyingactivatedsludgeatlowoxygenconcentrationJ．WaterSci-enceandTechnology1994306123－132．12WANGPLIUJWANGBetal．TheimpactsofpHandDOonN2Opro-ductionduringwastewateraerobicnitrogenremovalprocessR．BeijingChinaInternationalSymposiumonBiotechnologyforEnvironmentalPol-lutionControl2004．13THOMSENJGEESTKTCOXRP．MassSpectrometricStudiesoftheEffectofpHontheAccumulationofIntermediatesinDenitrificationbyParacoccusdenitrificansJ．AppliedandEnvironmentalMicrobiology1994602536－541．14ZHOUYPIJUANMRAYMONDJetal．FreenitrousacidinhibitiononnitrousoxideReductionbyadenitrifying－enhancedbiologicalphosphor-usremovalsludgeJ．EnvironmentalScience＆Technology200842228260－8265．15GEJLSBJERGBFRETTELWESTERMANNP．DynamicsofN2Opro-ductionfromactivatedsludgeJ．WaterResearch19983272113－2121．16ZENGRJLEMAIRERYUANZetal．Simultaneousnitrificationdeni-trificationandPremovalinalab-scalesequencingbatchreactorJ．JournalofBiotechnologyandBioengineering2003842170－178．17ASMAALINSAFINOUCEIBAADOUANIFABRICEBELINEetal．Ni-triteeffectonnitrousoxideemissionfromdenitrifyingactivatedsludgeJ．ProcessBiochemistry200843683－689．18．N2OJ．200423437－40．19LEMAIRERMEYERRTASKEAetal．IdentifyingcausesforN2Oac-cumulationinalab-scalesequencingbatchreactorperformingsimultane-ousnitrificationdenitrificationandphosphorusremovalJ．JournalofBi-otechnology2006122162－72．20GARRIDOJMMORENOJMNDEZ-PAMPNRetal．NitrousoxideproductionundertoxicconditionsinadenitrifyinganoxicfilterJ．WaterResearch19983282550－2552．866112011