不同污泥负荷厌氧好氧间歇式活性污泥工艺除磷田晓燕

PAOs、-A/O、Phostrip、VIP、--A2O、Bardenpho、UCTUniversityofcitytown、SBR[1]。PAOs、DO、、NO3--N、[2-9]。CODA/O-SBR。1.1A/O-SBR1。40cm、10cm14L。10cm1。。25℃。DO、ORPpHDO、ORPpH。θc10d。MLSS2500mg·L-1。2min3h。4hA/O-SBR0.5h。－121331.1300212.3100123.130021--15、25℃COD。TP(10±0.5)mg·L-1TP。2CODTPCOD≥0.46mg·mg-1·d-1TP1mg·L-1CODy1=0.72+71.91x125℃y2=2.81+73.33x215℃COD15℃TP25℃5%。CODX703.1A1000-3770(2010)02-0095-032009-06-09“”[e-mail]1A/O-SBRFig.1TheconfigurationofAn/OSBRprocess36220102TECHNOLOGYOFWATERTREATMENTVol.36No.2Feb.,201095DOI:10.16796/j.cnki.1000-3770.2010.02.0261.2、CODNaHCO3NH4ClNH4+-NKH2PO4MgSO4CaCl2PAOsMg2+Ca2+。。1。UCTMUCT。10。1.3。COD5B-1CODTPNH4+-NNO3--NNO2--NN-1--MLSSSVISV30/MLSS。22325、15℃CODTP、COD。2COD≥0.46mg·mg-1·d-125、15℃TP1mg·L-190%SBRCOD≤0.40mg·mg-1·d-184.7%、88.6%。3COD。PAOs、CODPAOsβPHB。25℃15℃COD2y1=0.72+71.91x11y2=2.81+73.33x2。2xCODy。4CODCOD。2500mg·L-1PAOsCODCOD。PHBPAOsCODCODPHB。PHB。2～4CODCODBODρ/mg·L-1pHTNNH4+-NNO3--NNO2--NTP200～500118～3157～175.5～161110.0±0.56.9～7.11Tab.1Themajorcharacteristicsoftheinfluent2CODTPFig.2TheprofileofeffluentTPconcentrationandthepercentageofTPremovalunderconditionsthatinfluentCODloadarevarious4050607080901000.20.30.40.50.601234

TP

TPmgLCOD mgmgd

3CODFig.3RelationbetweenamountofanaerobicphosphatereleaseratioandinfluentCODload0.10.20.30.40.50.601020304050
mgLm(C)/m(P)

CODmgmgdCODmgLCOD
mgL4CODCODFig.4RelationbetweenCODconcentrationandamountofCODconsumedatendofanaerobicperiodandCODload3629615℃TP25℃5%。COD0.46mg·mg-1·d-125℃15℃TP0.89mg·L-10.41mg·L-1TP91.1%95.88%。PAOs20℃PHB[10-11]。25℃15℃PAOs33.6135.23mg·L-1COD168.94183.31mg·L-1。TPTP。CODCODCOD90%65%～85%COD。3COD≥0.46mg·mg-1·d-125、15℃TP1mg·L-190%SBRCOD≤0.40mg·mg-1·d-12TPTP1mg·L-1。25、15℃COD2y1=0.72+71.91x125℃、y2=2.81+73.33x215℃。COD15℃TP25℃5%15℃、COD。:[1],.[M].:,2003:318-366.[2],,.[J].,2003,18(7):24-27.[3],,.-[J].,2004,13(4):506-507,511.[4],.[J].,2003,16(2):13-16.[5]PengYongzhen,WangXiaolian,LiBaikun.AnoxicbiologicalphosphorusuptakeandtheeffectofexcessiveaerationonbiologicalphosphorusremovalintheA2Oprocess[J].Desalination,2006,189:155-164.[6]DMulkerrins,ADWDobson,EColleran.Parametersaffectingbiologicalphosphateremovalfromwastewater[J].EncvirnmentInternational,2004,30:249-259.[7]ALarose.RespirometriccontroloftheanaerobicperioddurationofanSBRBio-Pprocess[J].WatSciTech.,2003,36(5):293-300.[8]WangXiaoling,PengYongzhen,MaYong,etal.Effectsofopera-tionalvariblesonnitrogenremovalperformancesanditscontrolinapre-denitrificationplant[J].ChmeEngTechnol.,2007,30(2):234-241.[9]TGeorge,FLBurton,HDStensel.WastewaterEngineeringTreatmentDisposalandReuse[M].4thed.MetcalfandEddy:IncMcGraw-Hill,2000:287-290.[10]CKrishna,MCMvanLoosdrecht.Effectoftemperatureonstoragepolymersandsettleabilityofactivatedsludge[J].WaterRes.,1999,33(10):2374-2382.[11]TPanswad,ADoungchai,JAnotai.Temperatureeffectonmicrobialcommunityofenhancedbiologicalphosphrusremovalsystem[J].WaterRes.,2003:37(2):409-415.THEREMOVALPHOSPHORUSEFFECTINDIFFERENTSLUDGELOADCONDITIONSINA/O－SBRTianXiaoyan1,TianHua2,WangLei1,ChengYongling3,TangHao3(1.SchoolofMunicipalandEnvironmentalEngineering,JilinArchitecturalandCivilEngineering,Changchun130021,China;2.DevelopmentCenterofWaterTreatmentTechnologyHangzhou,Hangzhou310012China;3.JilinProvinceDesign&ResearchInstituteforPetrochemicalTechnology,Changchun130021,China)Abstract:BasedonA/O-SBRthisstudydiscussedonbiologicalremovalphosphorussysteminthereactiontemperatureat15℃and25℃undertheconditionsofCODloadofsludge.Totalphosphorusconcentrationofinfluentwaskeptfor(10±0.5)mg·L-1,tocompareTPconcentrationtheeffluentandtheendofanaerobicperiod.Theresultsshowedthat:①twotemperatureswiththeCODloadofsludgewasraisedfromtheeffluenttoreducetheconcentrationofTP,whenthesludgeCODload≥0.46mg·mg-1·d-1,theeffluentTPconcentrationwaslowerthan1mg·L-1;②inreactiontemperatureof25℃and15℃,theamountofanaerobicreleasephosphorusandCODloadofsludgeareverygoodcorrelation,linearrelationshipbetweenthetwowere:y1=0.72+71.91x1(25℃),y2=2.81+73.33x2(15℃);③intheCODloadofsludgeunderthesameconditions,theremoveratein15℃ishigher5%thantheonein25℃.Keywords:biologicalremovephosphorus;temperature;CODloadofsludge;anaerobicreleasephosphorus-97