低碳城市污水反硝化除磷试验8d37bb3e03020740be1e650e52ea551810a6

31,212(11,100022;21,510006)(SBBR),,(AO)2SBBR(AO)22SBBR,4,14182%63104%CODCr15614141643310830164mgPL,1106171554132mgPL,77115%46194%8519%,(AO)22SBBR3(50578044);(5300438);(062k4201)0(CODCr),,,[122],,[327],,SBBR,11111,,15cm,120cm,,17L,2L,,112,,,BODPTNBODPTP316,4620,1212111mgPL(pH)CODCrBODTNNH+42NTPpH136194731122615351723173114411451956187121568732162917511871122SBBR,,,,,4,2,201120082261©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(AO)22SBBR4,(AO)22SBBR,1,77(AO)22SBBRCODCr15614141643310830164mgPL,115h,CODCr,13117mgPL1,115h,41951814mgPL,81620158mgPL2h,,,,2131mgPL,6196mgPL,PHA,,2h,1106171554132mgPL,77115%46194%8519%1AO2SBBR,,25183%46194%,,(AO)22SBBR,,CODCrSBBR,213,Wachtmeister(qPn)(qPO)[8],(AO)2SBBR(AO)22SBBR,898,(AO)SBBR14182%,P,,,PP,9,(AO)22SBBR63104%PPPP,(AO)22SBBR,,3120082261©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(AO)2SBBR9(AO)22SBBR3(1)(AO)2SBBR(AO)22SBBR4,(AO)22SBBR,14182%63104%(2)(AO)22SBBRCODCr8513%7918%51126%9114%,CODCr,[1],,..,2000(4):3662370[2]SiebritzLP,EkamaGA,MaraisGR.Aparametricmodelforbiologicalexcessphosphorusremoval.Wat.Sci.Tech.,1983,15(34):1272152[3]KubaT,SmoldersG,LoosdrechtM,etal.Biologicalphosphorusremovalfromwastewaterbyanaerobic2anoxiicsequencingbatchreactor.Wat.Sci.Tech.,1993,27(5P6):2412252[4]DaeSungLee,CheOkJeon,JongMoonPark.Biologicalnitrogenremovalwithenhancedphosphateuptakeinasequencingbatchreactorusingsinglesludgesystem.Wat.Res.,2001,35(16):396823976[5]KubaT,VanLoosdrechtMCM,HeijnenJJ.Biologicaldephosphatationbyactivatedsludgeunderdenitrifyingconditions:pHinfluenceandoccurrenceofafull2scalewastewatertreatmentplant.Wat.Sci.Tech.,1997,36(12):75282[6],,,..,2003,19(1):33236[7]PengYongzhen,ZengWei,WangShuying.DOconcentrationasafuzzycontrolparameterfororganicsubstrateremovalinSBRprocess.EnvironmentalEngineeringScience,2004,21(5):6062616[8]WachtmeisterA,KubaT,VanLoosdrechtMCM,etal.Asludgecharacterizationassayforaerobicanddenitrifyingphosphorusremovingsludge.Wat.Res.,1997,31(3):[e-mail]2007-09-24(40)4(1),,(2),,,[1]..,2007,30(2):5[2],..:,2002:35257[3]..:,2004:1232124617000()(0812)[e-mail]2007-10-314120082261©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(7)AbstractInthispaper,enhancementofnutrientremovalfromdomesticwastewaterwasstudiedinahigh2ratealgalpondsystem(HRAP)inruralareaofTaihu.AtHRTof8dand4dforalgalpondandhydrophytepondrespectively,dissolvedCODCrinthetreatedeffluentwasbelow100mgPL.Theannualaverageremovalefficiencywas4616%fortotalnitrogenand9014%forammonia.Themajorremovalmechanismforammoniaremovalintwo2stageHRAPwasbiologicalassimilation,nitrificationandammoniaevaporation,amongwhichnitrificationdominated.Inhydrophytepond,totalnitrogenwasmainlyremovedthroughprecipitationofparticularorganicnitrogenanddenitrificationofinorganicnitrogen.Theannualaverageofeffluentphosphoruswas3133mgPL.AimedatunsatisfactorynutrientremovalinHRAPsystem,enhancementstrategieswereproposed,suchasloweringthewaterdepthinhydrophytepondandusingwastegypsumasplantingmediumtoconstructcomplexhydrophytepond.Afterthemodification,theHRTofhydrophytepondwasreducedto116dwhiletotalnitrogenandphosphorusinthetreatedeffluentwasmaintainedbelow5mgPLand1mgPLrespectively,whichmetthefirstclassofnationalwastewaterdischargelimit(GB1891822002).Keywordshigh2ratealgalpond,hydrophytepond,domesticwastewaterinruralareas,nutrientremovalandenhancementEXPERIMENTONDENITRIFYINGPHOSPHORUSREMOVALFROMLOWCARBONSOURCEURBANWASTEWATERRongHongweiPengYongzhenZhangChaosheng(11)AbstractAninnovativeanaerobic2aerobic2anoxic2aerobicsequencingbatchbiofilmreactor((AO)22SBBR)wasdevelopedbyintroducingananoxicphaseintheanaerobic2aerobicsequencingbatchbiofilmreactor((AO)2SBBR)basedonthetheoryofdenitrifyingphosphorusremovalintheexperiment.Theproportionofdenitrifyingphosphorusremovalbacteria(DPB)increasedfrom14182%to63104%oftotalPAOsbyfourstagesofselectionanddomestication.WhentheconcentrationofCODCr,TP,TNandNH+42Nofinfluentwas156141,4164,33108and30164mgPLrespectively,theconcentrationofTP,TNandNH+42Nofeffluentwas1106,17155and4132mgPL.TheefficiencyofTP,TNandNH+42Nremovalwasalternatively77115%,46194%and8519%.The(AO)22SBBRprocesswaseffectivetosolvetheaffectoflowCODCrconcentrationonsimultaneousbiologicalphosphorusandnitrogenremovalfromurbanwastewater.Keywordslowcarbonsourceurbanwastewater,simultane