短程反硝化除磷技术研究张少辉

430070NO2－、CODpH。、。DPAOsX703．1B0517－6611201120－12286－02StudyonShort-cutDenitrifyingPhosphorusRemovalZHANGShao-huietalSchoolofCivilEngineeringandArchitectureWuhanUniversityofTechnologyWuhanHubei430070AbstractShort-cutdenitrifyingphosphorusremovalissuitableforsimultaneousnitrogenandphosphorusremovalfromwastewaterlackingoforganiccarbonandrichinnitrogenandphosphorus．ThemaininfluencingfactorswerenitriteCODpHandsoon．Thetheorybaseeffectfac-torsandmainprocessofshort-cutdenitrifyingphosphorusremovalwerereviewed．Directionforfurtherstudywasproposed．KeywordsShort-cutdenitrifyingphosphorusremovalDPAOs2008CDB3712008ZX07317－002。[e-mail]。2011-04-18DenitrifyingPhosphate-AccumulatingOrgan-ismsDPAOs“”1。DPAOsO2、NO3－NO2－。COD、1、、COD2－3。11．1NO2－。NO2－2。3O2O2NO3－DPAOsO2、NO3－NO2－DPAOs。2DPAOs1DPAOs4。3。2①NO3－O2DPAOs5②O2、NO3－、NO2－gP/gVSS。32。1．2DPAOs。DPAOsβPHAO2NO2－NO2－PHA。22．1NO2－NO2－DPAOs6－7。/30dNO2－-N55mg/L28。NO2－9NO2－HNO210HNO2NO2－。NO2－DPAOs。A/A/OSBRNO2－。NO2－NO2－NO2－20d10．44mg/g·h11。NO2－HNO2。NO2－。2．2CODDPAOs3CODDPAOs2。CODDPAOs。CODJournalofAnhuiAgri．Sci．2011392012286－1228712289DOI:10.13989/j.cnki.0517-6611.2011.20.063CODNO2－DPAOsNO2－。CODCOD8。。811DPAOs＞＞12。。2．3pHpH、2。pHP/CpH＞8。HNO210pHpHHNO2。pH7～8。pH7．2±0．1813。TsunedaAOApH14pH、、pH15。2．4。DO、ORPORP－200～－300mV。ORPORP。DPAOs、ORP－80mVORP－150mVORP＞－80mV13。2．51C∶N∶P。C∶N∶P25∶3∶116。NO2－NO2－/MLSSNO2－17。NO2－MLSSMLSSNO2－NO2－。DPAOsPHA。MLSSNO2－PHANO2－。C∶N∶PMLSS。2DGAOs。DGAOsDPAOsDGAOs18。31//AOA14、、3。TsunedaAOADPAOs14。DPAOsPHA19。KishidaAOADPAOs20。DPAOsA2N/1。SBR2SBR21。22。1。。4。。。1KUBATVanLOOSDRECHTMCMHEIJNENJJ．Phosphorusandni-trogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo-sludgesystemJ．WatRes19963071702－1710．2HUJYONGSLNGWJetal．Anewmethodforcharacterizingdenitrif-yingphosphorusremovalbacteriabyusingthreedifferenttypesofelectronacceptorsJ．WatRes200337143463－3471．3．NO3－NO2－J．2010383419444－19445．4．J．200960171758－1766．5MEINHOLDJFILIPECDMDAIGGERGTetal．CharacterizationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologicalphosphateremovalJ．WatSciTech199939131－42．6SOEJIMAKOKIKTERADAAetal．Effectsofacetateandnitriteaddi-tiononfractionofdenitrifyingphosphate-accumulatingorganismsandnu-trientremovalefficiencyinanaerobic/aerobic/anoxicprocessJ．Biopro-cessandBiosystemsEngineering2006295/6305－313．7WANGYYPANMLYANMetal．CharacteristicsofanoxicphosphorsremovalinsequencebatchreactorJ．JournalofEnvironmentalSciences2007197776－782．8．J．2005255515－518．9．A/OJ．2008241999－100105．122897822139201Fig．1SurvivalrateofIpomoeacairicacuttingsindifferentcul-turesubstrates。。302Fig．2BiomassincreasecurveofIpomoeacairicacuttingindif-ferentculturesubstrates、0．89、0．82g0．07g。。45、1．50、1．29g、。。2．345d145。45、、36．96%、29．17%、37．59%。145dTable1CharacteristicsofIpomoeaCairicacuttingindifferentsub-stratesat45dCulturemedieumBiomass∥gNumberofbuds∥Numberofleaf∥Ganguesoil4．15±0．03a3．1±0．31a19．4±0．34aRegularsoil3．03±0．01b2．4±0．22a14．1±0．28b±。NoteDatawerepresentedasmean±standarderror．Datainacolumnwithdifferentlowercaselettersweresignificantlydifferent．Otherwisenosignificantdifferenceexisted．3、。6．730～45d100%。1530。45、、。。1．J．2000205808－814．2．M．1984檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪102－103．1228710ZHOUYGANDALLIMMetal．FreenitrousacidFNAinhibitionondenitrifyingpoly-phosphateaccumulatingorganismsDPAOsJ．ApplMicrobiolBiot2010881359－369．11．NO2－J．2006275930－934．12ZHANGSHHUANGYHUAYM．DenitrifyingdephosphatationovernitriteEffectsofnitriteconcentrationorganiccarbonandpHJ．Biore-sourceTechnology2010101113870－3875．13．J．200629714－1641．14TSUNEDASOHNOTSOEJIMAKetal．Simultaneousnitrogenandphosphorusremovalusingdenitrifyingphosphate-accumulatingorganismsinasequencingbatchreactorJ．BiochemEngJ2006273191－196．15．NO3－NO2－J．20093041073－1078．16．COD/TPNO2－-N/TPJ．2010331228－3155．17AHNJDAIDOUTTSUNEDASetal．Meatabolicbehaviorofdenitrif-yingphosphate-accumulatingorganismsundernitrateandnitriteelectronacceptorconditionsJ．JBiosciBioeng2001925442－446．18．J．200828121094－1099．19LEEDSJEONCOPARKJM．Biologicalnitrogenremovalwithen-hancedphosphateuptakeinasequencingbatchreactorusingsinglesludgesystemJ．WatRes200135163968－3976．20KISHIDANKIMJTSUNEDASetal．Anaerobic/oxic/anoxicgranularsludgeprocessasaneffectivenutrientremovalprocessutilizingdenitrif-yingpolyphosphate-accumulatingorganismsJ．WatRes20064022303－2310．21．SBRJ．2010261311－14．22．－－J．20092991806－1812．982213920