AO生物接触氧化反应器的挂膜与启动崔鹏

A/O1211111．7300702．100124A/OCOD、NH+4－N、PO3－4－PNO－3－N。COD、NH+4－N、PO3－4－PNO－3－N179、45．8、3．610．93mg/L22～25℃DO2～3mg/L22d。6HＲT12hCOD、NH+4－NPO3－4－P64．29%、38．38%18．25%NO－3－N16．21mg/L15HＲT9hSＲT30dCOD、NH+4－NPO3－4－P78．51%、67．71%36．49%NO－3－N17．67mg/L22HＲT6hSＲT10dCOD、NH+4－NPO3－4－P86．84%、78．20%73．79%NO－3－N10．79mg/L。A/[e-mail]rt-upofA/OBiologicalContactOxidationＲeactorCUIPeng1PENGYong-zhen2ZENGLi-yun1ZHANGYong-hui1MAJuan1CHENYong-zhi11．SchoolofEnvironmentalandMunicipalEngineeringLanzhouJiaotongUniversityLanzhou730070China2．KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124ChinaAbstractTheremovalperformanceofCODNH+4－NPO3－4－PandNO－3－Nduringthebio-filmformationandstart-upinacontinuousflowA/Obiologicalcontactoxidationreactorwasinvestigatedusingrealdomesticsewage．WhentheaverageinfluentconcentrationsofCODNH+4－NPO3－4－PandNO－3－Nwere179mg/L45．8mg/L3．61mg/Land0．93mg/Lrespectivelythewatertemperaturewasabout22to25℃theDOwasmaintainedataround2to3mg/Lthebiofilmwasformedwithin22dbyusingcontinuousflowartificialinoculation．AttheHＲTof12htheremovalratesofCODNH+4－NandPO3－4－Pwere64．29%38．38%and18．25%respectivelyandtheconcentrationofNO－3－Nintheeffluentwas16．21mg/Lonthesixthday．AttheHＲTof9handSＲTof30dthere-movalratesofCODNH+4－NandPO3－4－Pwere78．51%67．71%and36．49%respectivelytheconcentrationofNO－3－Nintheeffluentwas17．67mg/Landalayerofbrownbiofilmwasdevelopedon·52·32920165CHINAWATEＲ＆WASTEWATEＲVol．32No．9May2016bio-filleronthe15thday．AttheHＲTof6handSＲTof10dtheremovalratesofCODNH+4－NandPO3－4－Pwere86．84%78．20%and73．79%respectivelytheconcentrationofNO－3－Nintheefflu-entwas10．79mg/Landthedarkbrownbiofilmbecamethickenonthe22nddaywhichindicatedthesuccessfulstart-upofthesystem．KeywordsA/Obiologicalcontactoxidationreactorartificialinoculationbiofilmformationdomesticsewagenitrogenandphosphorusremoval12。BCO3。、、、、、、45。6A/O。7。A/O。11.1A/O12．1m×0．6m×1m0．682m30．204m30．248m30．230m3。75%。1A/OFig．1SchematicdiagramofA/O－BCOprocess200%～300%50%～100%。1.28。、9。、、、1000～2500m2/m3。1.31。1Tab．1QualityofrawwastewaterCOD/mg·L－1NH+4－N/mg·L－1NO－3－N/mg·L－1PO3－4－P/mg·L－1pH84～24427．4～64．80．02～2．772．49～6．566．89～7．8117945．80．933．617．55APHA10COD、NH+4－N、NO－3－N、PO3－4－PpH、DOMulti3420。1.411。12。3000mg/LSV30=30%·62·329．watergasheat．com。22～25℃DO2～3mg/L1～6HＲT12h7～15HＲT9hSＲT30d16～22HＲT6hSＲT10d。22.1NH+4－N、NH+4－N2。1NH+4－N42．6mg/LNH+4－N39．9mg/L6．43%。6NH+4－N38．38%。7～15HＲT12h9hNH+4－N101567．71%。2NH+4－NFig．2ＲemovalperformanceofNH+4－Nduringstart-up16～22HＲT9h6hNH+4－N22NH+4－N38．9mg/LNH+4－N8．5mg/L80%NH+4－N。2.2COD、COD3。1COD84mg/LCOD54mg/L35．71%COD。3COD60．02%51．61%。6COD64．29%。7～15HＲT12h9hCOD1578．51%。16～22HＲT9h6hCOD86．84%。COD。3CODFig．3ＲemovalperformanceofCODduringstart-upNH+4－N1567．71%COD664．29%13。。。22NH+4－NCOD78．20%86．84%A/O。2.3NO－3－N、NO－3－N4。4NO－3－NFig．4ＲemovalperformanceofNO－3－Nduringstart-up1NO－3－N·72·．watergasheat．comA/O329826．9mg/L。14NO－3－N7NO－3－N16NO－3－N2．5mg/L。16～22NO－3－N11．34mg/L。2.4PO3－4－P、PO3－4－P5。5PO3－4－PFig．5ＲemovalperformanceofPO3－4－Pduringstart-up1PO3－4－P75．34%PO3－4－P。2～6PO3－4－P19．57%。7～15SＲT30dPO3－4－PSＲTPO3－4－PPHBPO3－4－P15。16～22SＲT10dPO3－4－P2273．79%。2.51～364～1011～22、、。6Fig．6Changesofbiofilmonfilter3①COD、NH+4－N179、45．8mg/L22～25℃DO2～3mg/LA/O22dCOD86．84%78．20%。②HＲT。③1～6PO3－4－P19．57%7～15SＲT30dPO3－4－P33．19%16～22SＲT10dPO3－4－P63．29%SＲT。1．A/OJ．2013291720－23．2．J．201531336－40．3．J．201535194－98．4El-ShafaiSAZahidWM．Performanceofaeratedsub-mergedbiofilmreactorpackedwithlocalscoriaforcar-bonandnitrogenremovalfrommunicipalwastewaterJ．BioresourTechnol2013143476－482．5BassinJPDezottiMSant’AnnaGL．Nitrificationofindustrialanddomesticsalinewastewatersinmovingbed·82·329．watergasheat．combiofilmreactorandsequencingbatchreactorJ．JHaz-ardMater20111851242－248．6．A/OJ．201329314－16．7Leyva-DiazJCCalderonKＲodriguezFAetal．Com-parativekineticstudybetweenmovingbedbiofilmreac-tor-membranebioreactorandmembranebioreactorsys-temsandtheirinfluenceonorganicmatterandnutrientsremovalJ．BiochemEngJ20137728－40．8．J．201481178－183．9．J．2015351101－109．10APHA．StandardMethodsfortheExaminationofWaterandWastewaterM．WashingtonDCAmericanPublicHealthAssociation2007．11．J．20103081091－1096．12．J．20153131－4．13．AOJ．201339653－56．14．O/AJ．20132923139－142．15YangXMDengMWangYHetal．Effectofnitrifica-tionliquidrefluxratioondenitrificationphosphorusre-movalinanA2/O-MBBＲprocessJ．EnvironEng201533813－1641．1991－。[e-mail]櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2016－01－2424anammoxbacteriaJ．WaterＲes201587385－394．6．HＲTJ．2010304749－755．7．J．2004242220－224．8．J．2015312337－42．9．J．201162123532－3538．10OkunukiSKawaharasakiMTanakaHetal．Changesinphosphorusremovingperformanceandbacterialcom-munitystructureinanenhancedbiologicalphosphorusremovalreactorJ．WaterＲes20043892433－2439．11XuGJZhouYYangQetal．Thechallengesofmain-streamdeammonificationprocessformunicipalusedwa-tertreatmentJ．ApplMicrobiolBiotechnol20159962485－2490．1989－。[e-mail]2016－01－18·92·．watergasheat．comA/O329