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ANAMMOXNO2-NO3-NH4+-NN2[1-2]。ANAMMOXC/N。ANAMMOXSHARON-ANAMMOX[3-6]CANON[7-11]。ANAMMOXA2/O。ANAMMOXC/NC/N。ANAMMOXA2/OC/N。11.12A2/OA、B2.4L·h-1F/M0.12gBOD5·g-1MLSS·d-1NH4+0.03gNH3·g-1MLSS·d-16h、2h、2h21/2SRT20d2.5h28～34℃pH7.5～8。AA2/OB241DO0.5～1.0mg·L-1NO2--NNO2--NNH4+-NANAMMOX100dANAMMOX。1.2NH4ClC/NC/NANAMMOXA2/OC/N1121111.000622.211400C/NA2/OANAMMOXANAMMOX。C/NA2/OC/N=3.5C/N=1.2ANAMMOXA2/OC/NNH4+-N9%TN5%ANAMMOX、CODTP。A2/OANAMMOXX703.1A1000-3770(2009)06-092-032008-10-15200720070071983-13761124263E-mail51070802059@ecnu.cn13651814239E-mailmshuang@des.ecnu.edu.cn。 1Fig.1Schematicdiagramofpilotplant35620096TECHNOLOGYOFWATERTREATMENTVol.35No.6Jun.,200992DOI:10.16796/j.cnki.1000-3770.2009.06.0248.8～1.22C/NANAM-MOXA2/OC/N。1.31。1.4CODNH4+-NTPNO3--NTN[12]。22.1NH4+-N2C/N8.8～3.5NH4+-N85%A2/OC/NC/N3.51.2NH4+-NC/N3.5A2/O。C/N1.2～3.5ANAMMOXA2/ONH4+-N8%C/N。ANAMMOXCNH4+-NANAMMOXNH4+-NNH4+-N。2.2ANAMMOX3。3C/NANAMMOXA2/ONH4+-N9%ANAMMOXNH4+-NNH4+-NANAMMOXC/NANAMMOX。2.3TN4C/N3.5TNC/N3.5TNNH4+-NNH4+-NTN。SPSS2TN2TNt=-6.864p=0.000＜0.01TN。ANAMMOXA2/OTN5%。2.45C/NA2/OC/N2.3NO3--N[13]C/N1.5NO3--N0NH4+-N。NO3--NTNO3--Nt1Table1InfluentcharacteristicspHCOD/mg·L-1NH4+-N/mg·L-1TN/mg·L-17.8～8.48220～18020018～242138～4240NO3--N/mg·L-1TP/mg·L-10.2～0.60.41～4201234567891011121314150102030405060708090100C/N /dNH -N/%0123456789102C/NNH4+-NFig.2InfluenceoflowC/NonNH4+-Nremovalrate0246810121416182022-10-505101520253035NH -N/% /d 012345678910 C/N3C/NANAMMOXFig.3InfluenceoflowC/NonreactionofANAMMOX0246810121416182022-1001020304050607080TN/%/d 012345678910 C/N4C/NTNFig.4InfluenceoflowC/NonTNremovalrateANAMMOXA2/OC/N9398=1.505p=0.147＞0.05df=2195%NO3--N。ANAMMOXA2/O。2.5COD6C/N2.3CODCOD60mg·L-1BA2/OC/NC/N2.3COD75%40%COD100mg·L-1NO3--N。SPSSCODtdf=2195%t=0.258p=0.799＞0.05C/N。2.6TP7C/N3.5TPNH4+-NA2/OC/N1.7TP0。TPtdf=2195%t=-1.085p=0.290＞0.05C/NTP。3C/NA2/OC/N=3.5C/N=1.2。ANAMMOXA2/OC/NNH4+-N9%TN5%。C/N2.3NO3--NC/N1.5NO3--N0C/N2.3COD75%40%COD100mg·L-1C/N3.5TPC/N1.7TP0。ANAMMOX、CODTP。[1]StrousM,HeijnenJJ,KuenenJG,etal.Thesequencingbatchreactorasapowerfultoolforthestudyofslowlygrowinganaerobicammonium-oxidizingmicroorganisms[J].MocrobiolBiotechnol,1996,50(5):589-596.[2]VanDongenU,JettenMSM,VanLoosdrechtMCM.TheSHARON-ANAMMOXprocessfortreatmentofammoniumrichwastewater[J].WaterScienceandTechnology,2001,44(1):153-160.[3]HellingaC,SchellenAAJC,MulderJW,etal.TheSharon-process:aninnovativemethodfornitrogenremovalfromammoniumrichwasterwater[J].WaterScienceandTechnology,1998,37(9):135-142.[4],,,.[J].,2005,25(1):43-46.[5],,,.－CANON[J].,2005,19(1):21-24.0246810121416182022-1001020304050607080NO -N/% /d 012345678910 C/N5C/NFig.5InfluenceoflowC/Nondenitrification02468101214161820220102030405060708090COD/%/d 012345678910 C/N6C/NCODFig.6InfluenceoflowC/NonCODremovalrate0246810121416182022-10010203040506070TP/%/d 012345678910 C/N7C/NTPFig.7InfluenceoflowC/NonTPremovalrate3569494!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!STUDYONPHOSPHATEANDAMMONIUM-NITROGENREMOVALFROMRETURNFLOWINSLUDGESYSTEMOFMUNICIPALWASTEWATERTREATMENTPLANTBYMAPLiangLing1,2,ChengGuanwen1,2,ZhuZongqiang1,2,LiangBin1,2,LuoJiejun1,2,WeiRongrong1,2(1.TheGuangxiKeyLabofEnvironmentalEngineering,ProtectionandAssessment,GuilinUniversityofTechnolog,Guilin541004,China;2.DepartmentofResourcesandEnvironmentalEngineering,GuilinUniversityofTechnology,Guilin541004,China)Abstract:AmethodofMAPwasusedforthereturnflowinsludgesystemofmunicipalwastewatertreatmentplant.PrincipalordersoffactorswhichaffectMAPprecipitationprocess,concludedbyorthogonalexperimentandtheoptimaltestarepHvalue,n(Mg):n(P)andreactiontime.TheoptimumreactionconditionsarepH=9,n(Mg):n(P)=1andt=30min.Thebestremovalefficiencyofphosphateandammonium-nitrogenwerebeyond85%and75%undertheoptimumconditions.ConcentrationofSShasimpactonremovalefficiencyofphosphateandammonium-nitrogen.Keywords:MAP;phosphate;ammonium-nitrogen;wastewaterofsludgecentrifuge75%85%SS。[1],,,.[J].,2006,26:115-118.[2].[M].4.:,2002.[3],,,.、[J].,2006,7(7):128-132.[4]LStratful,SerimshawMD,LesterJN.Conditionsinflueneingthepreeipitationofmagnesiumammoniumphosphate[J].WatRes.,2001,35(17):4191-4199.[5],,,.[J].,2007,26(3):371-377.EXPERIMENTALSTUDYONTHESHOCKINGIMPACTOFLOWC/NWATERONA2/OPROCESSSTRENGTHENEDANAMMOXLinJianbo1,DaiXingchun1,2,HuangMinsheng1,ZhuYong1,ZhaoFeng1(1.SchoolofResourceandEnvironmentalSciences,EastChinaNormalUniversity,Shanghai200062,China;2.YizhengWaterAuthorityJiangsuProvince,Yangzhou211400,China)Abstract:TheshockingexperimentastoANAMMOXsystemandnormalsystemwasconductedbyusingartificialpreparationofthelowC/Nratioofwastewater.Theshockingtolerancelimitwasdeterminined,andthemeritsofANAMMOXtechnologywascompared.Theresultsshowedthat,lowC/NwastewaterhasobviousinhibitiontotheA2/Osystemfornitrogenremoval.TheC/Nratioof3.5couldreducethefunctionofnitrificationeffectivelyandC/Nratioof1.2couldstopthefunctionofdenitrificationcompletely.However,thenitrogenremovalof