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40220122CHEMICALENGINEERINGCHINAVol．40No．2Feb．20122011-05-23-200905991971-E-mailzhanglanhe@163．com。A2SBR121111．1320122．150090A2SBR。COD200mg/L4—11mg/L25mg/L55mg/L“2．5h-1h-3．5h-1h”31dA2SBRCOD、77%90%84．96%。92%91%COD80%0。X703．1A1005-9954201202-0012-05Quickstart-upandsteadyoperationofdenitrifyingdephosphorizationprocessbyusinganaerobic/anoxicsequencingbatchreactorZHANGLan-he12LIUQiang1JIAYan-ping1LIJun11．SchoolofChemicalEngineeringNortheastDianliUniversityJilin132012JilinProvinceChina2．NationalEngineeringResearchCenterofUrbanWaterResourcesHarbin150090HeilongjiangProvinceChinaAbstractInordertoachievethesimultaneousdenitrificationanddephosphorizationfromwastewateralong-termlabexperimentwascarriedoutbyusingananaerobic/anoxicsequencingbatchreactorA2SBRtoinvestigatethestart-upandoperationperformanceofdenitrifyingdephosphorizationprocess．TheresultshowsthatundertheconditionsofinfluentCODmassconcentration200mg/LPO3－4—Pmassconcentration4-11mg/LandNO－3—Nmassconcentrationinanoxicphasefrom25mg/Lto55mg/LA2SBRprocesscanbesuccessfullystartedupwithin31dbyusingaperiodicaloperationmodeofanaerobicoperation2．5h-sludgesedimentationandwaterdischarge1h-anoxicoperation3．5h-sludgesedimentationandwaterdischarge1h．TheremovalefficiencyofCODNO－3—NandPO3－4—Pinanaerobicphaseare77%90%and84．96%respectively．WhentheA2SBRwasoperatedsteadilytheremovalefficiencyofNO－3—NandPO3－4—Pare92%and91%respectivelyandthatofCODishigherthan80%withtheeffluentmassconcentrationofPO3－4—Pnearlyzero．Thewholesystemshowsagoodperformanceofdenitrificationanddephosphorizationafterasteadyoperation．Keywordsdenitrifyingphosphorusremovalbacteriaquickstart-updenitrifyingdephosphorizationPAO1。PAO2-9。DPBPHA。DPB。。。。Lee10/TOC、92%88%100%DPBPAO64%。HwanAhn11A2-MLSS。NO－3MLSSNO－2MLSS。、12A2SBR、250∶60∶8、。13NO－2NO－2—N35±5mg/L、pH8．0±0．1pH7．2±0．1COD400mg/L。14ρNO－3—N/ρCOD0．04ρNO－3—N/ρCOD0．095。。A2SBR-COD、A2SBR。11．11。2．5L1．7L。SBR38h15①2．5h②40min10min10min③3．5h④10min⑤30min10min10min。。。38h4①2．5h②3．5h55mg/L③10min④90min10min10min。1-2-3-4-pH5-DO6-ORP7-8-9-10-11-12-1A2SBRFig．1SchematicdiagramofA2SBRsystem。2．5g/L。20—30℃pH6．8—820d。1．2、ρCOD200mg/LρPO3－4—P4—6mg/LNO－3—NρNO－3—N25—55mg/LNH4Cl0．02g/LMgSO4·7H2O0．6g/LCaCl2·2H2O0．07g/LEDTA0．01g/L。L2mLFeCl3·6H2O1．5g/LH3BO30．15g/LCuSO4·5H2O0．03g/LKI0．03g/LMnCl2·4H2O0．12g/LCoCl2·6H2O0．15g/LZnSO4·7H2O0．12g/L。1．3ρCODρPO3－4—PρNO－3—NMLSSpHpHs-2CpH。22．1A2SBR2A2SBR。13．32mg/L4．35mg/L·31·A2SBRDPB。PAODPB。PAOPAO。。1010．89mg/L2020．17mg/L。3134．53mg/L0．89mg/L84．96%NO－3—N。2Fig．2VariationlawofreleaseanduptakeofPO3－4—P2．2A2SBRCODDPBPHB。PHBDPB。3COD。CODρCOD=200mg/LρCOD=178mg/L24%。CODρCOD=46mg/L77%。4。13．32mg/L。。3135．42mg/L。34COD。COD。CODDPBCOD。2．3A2SBRDPBPHB。5ρNO－3—N25mg/L166．32%NO－3—N。588．84%ρNO－3—N=2．79mg/LNO－3—N6ρNO－3—N35mg/LρNO－3—N=9．53mg/L77．7%。ρNO－3—N55mg/L90%。·41·20124025Fig．5VariationlawofNO－3—Ninanoxicphase2．4A2SBR6。31A/OA2SBRDPB23DPB。6A2SBRρPO3－4—PFig．6VariationofPO3－4—Pmassconcentrationatdifferentoperationtimeduringstart-upofA2SBR3—6、2。126466686。8h。1DPBCODPHB。1Table1Statisticsofabnormalcyclesduringexperimentaloperationmg/LρPO3－4—P2563．245．442610．42．634．62275．126．458．97285．637．9610．03294．5312．1714．19455．2410．0413．61469．923．556．42475．6515．7319．75484．2112．4814．52495．0915．3818．79655．4220．4224．426610．245．637．32676．0626．7331．22855．7428．2132．828610．318．3910．34875．9225．4230．151294727．96mg/L12．17mg/L3．55mg/L15．73mg/L。。Loosdrecht15。47872。。31dA2SBR5．03mg/L94．29%COD80．52%。2．5A2SBRA2SBR32“2．5h-3．5h-10min-110min”。720dρPO3－4—P、ρNO－3—NρCOD。ρCOD0．5h200mg/L105．7mg/LρPO3－4—P4．67mg/L20．5mg/LDPBCODPHB。ρCOD·51·A2SBRρPO3－4—P48．74mg/L37．56mg/L。1hρNO－3—NρPO3－4—P55mg/L37．56mg/L20．87mg/L16．57mg/L。CODNO－3—NPO3－4—P80．17%92%91%。10minρCODρNO－3—NρPO3－4—P100%。7A2SBRρCODρPO3－4—PρNO－3—NFig．7VariationofCODPO3－4—PandNO－3—Nmassconcentrationsatdifferenttimeafterstart-upofA2SBR31ρCOD200mg/LρPO3－4—P4—11mg/LρNO－3—N25mg/L55mg/L“---”31dA2SBRNO－3—N5．03mg/L94%。2A2SBRρCOD200mg/LρNO－3—N55mg/L2．5h3．5h92%91%COD80%ρPO3－4—P0。3。1WENTZELMCEKAMAGALOEWENTHALREetal．Enhancedpolyphosphateorganismsculturesinactivatedsludgesystems．PartⅡExperimentalbehaviourJ．WaterSA198915271-81．2AKINBSUGURLUA．TheeffectofananoxiczoneonbiologicalphosphorusremovalbyasequentioalbatchreactorJ．BioresourceTechnology20049411-7．3PENGYongzhenWANGXiaolianLIBaikun．AnoxicbiologicalphosphorusuptakeandtheeffectofexcessiveaerationonbiologicalphosphorusremovalintheA2OprocessJ．Desalination20061891/2/3155-164．4PATELJNAKHLAG．InteractionofdenitrificationandPremovalinanoxicPremovalsystemsJ．Desaliena-tion20062011/2/382-99．5CARVALHOGLEMOSPCOEHMENAetal．Deni-trifyingphosphorusremovallinkingtheprocessperform-ancewiththemicrobialcommunitystructureJ．WaterResearch200741191-14．6ZOUHuaDUGuochengRUANWenquanetal．RoleofnitrateinbiologicalphosphorusremovalinasequencingbatchreactorJ．WorldJournalofMicrobiologyandBio-technology2006227701-701．7TSUNEDASatoshiOHNOTakashiSOEJIMAKoichi．Simultaneousnitrogenandphosphorusremovalusingdeni-trifyingphosphate-accumulatingorganismsinasequen-cingbatchreactorJ．BiochemicalEngineeringJournal2006273191-196．8WANGYayiPANmianliYANMin．Characteristicsofanoxicpho