低温条件下A2O生物强化除磷系统的反硝化除磷特性杨殿海

[1]。Enhancedbi-ologicalphosphorusremovalEBPRPAOsDPAOspoly-PVFAPHAs/PHAspoly-P[2-4]。EBPR。EBPR、、-C/P、pH、[5-9]。EBPR/[10-11]EBPRDPAOs[12-14]。A2/O。11.160m3·d-1100m3·d-1。33m3、1.04.54.8。、、、1。1.231。
 1Fig.1SketchoftheexperimentalequipmentA2/O200092A2/O12±4℃EBPR。ANOVAp＜0.052.5m3·h-1150%COD、TN、TP30±10、5.6±2.9、0.4±0.2mg·L-1GB18918－2002A。A2/OX703.1A1000-3770(2011)04-0033-0042010-06-03509081642008ZX07316-0022008ZX07421-0022008ZX07101-006-072006BAJ08B102006BA[e-mail][e-mail]37420114TECHNOLOGYOFWATERTREATMENTVol.37No.4Apr.,201133DOI:10.16796/j.cnki.1000-3770.2011.04.0101.3SVI、MLSS115mL·g-1、2500mg·L-1。1.42。2C/N5C/P108。[15]。22.12TPTN。ANOVATPTNF=157.3Fcrit=4.0P=1.4×10-19＜0.05。LopezPAOsDPAOs[16]。2.2COD3COD38±11、29±3、30±10mg·L-168±5%、78±2%、76±7%。COD50mg·L-1GB18918－2002A。2.5m3·h-12.0m3·h-1CODF=8.8Fcrit=4.3P=0.7×10-2＜0.05100%150%COD12%。CODF=5.3Fcrit=4.4P=0.03＜0.05。2.3TN3TN8.8±2.7、13.7±1.0、5.6±2.9mg·L-156.6±5.8%、50.3±2.4%、77.8±11.2%。TN15mg·L-1GB18918－2002A。2.5m3·h-12.0m3·h-1TNF=34.9Fcri=4.3P=6.0×10-6＜0.05100%150%TNF=8.1Fcri=4.3P=0.01＜0.05。DPAOsPHACODA2/O[17]。A2/OC/N≥880%[18-19]。C/N5C/N3CODFig.3OverallprofilesofCODremoval01020304050607004080120160200


 /d020406080100/%COD/mgL4TNFig.4OverallprofilesofammoniaandTNremovalduringdifferentstages010203040506070020406080100
TN
TN
(TN)/mgL/d /%

TN







NH-N4050607080901002TPTNFig.2ProfilesofeffluentTPandTNduringtheexperimentaltime010203040506070800.00.51.01.52.02.5
(TN)/mg
LTPTN/d
(TP)/mg
L0481216201Tab.1Experimentalapproaches/d/h/d/%/m3·h-11～2526～5051～751111112020201001001502.52.02.5/℃COD/mg·L-1ρ(NH4+-N)/mg·L-1ρ(TN)/mg·L-1ρ(TP)/mg·L-112±412±412±4119±20130±16126±2317.9±5.524.7±1.823.3±1.720.1±4.827.7±2.425.1±2.41.5±0.42.7±0.81.2±0.22Tab.2Waterqualitiesofrawwastewater3743412±4℃[20]。2.4TP3TP(0.5±0.2)、(1.4±0.5)、0.4±0.2mg·L-162.5±13.2%、(50.3±5.5%、64.6±13.2%。、TP0.5mg·L-1GB18918－2002A。2.5m3·h-12.0m3·h-1TPF=33.7Fcrit=4.3P=7.7×10-6＜0.05100%150%TPF=3.0Fcrit=4.4P=0.10.05。[17]NOx--NNOx-NDPAOs、。EBPR。3A2/OF=157.3Fcrit=4.0P=1.4×10-19＜0.05。A2/O2.5m3·h-1150%COD、TN、TP30±10、5.6±2.9、0.4±0.2mg·L-1GB18918－2002A。[1]AdrianOehmen,PauloCLemos,GildaCarvalho,etal.Advancesinenhancedbiologicalphosphorusremoval:frommicrotomacroscale[J].WaterResearch,2007,41(11):2271-2300.[2]SmoldersGJF,vanderMeijJ,vanLoosdrechtMCM,etal.Modeloftheanaerobicmetabolismofthebiologicalphosphorusremovalprocess:stoichiometryandpHinfluence[J].BiotechnolBioeng.,2004,43(6):461-470.[3]MinoT,VanLoosdrechtMCM,HeijnenJJ.Microbiologyandbiochemistryoftheenhancedbiologicalphosphateremovalprocess[J].WaterResearch,1998,32(11):3193-3207.[4]AdrianOehmen,AaronMSaunders,MTeresaVives.Competitionbetweenpolyphosphateandglycogenaccumulatingorganismsinenhancedbiologicalphosphorusremovalsystemswithacetateandpropionateascarbonsources[J].JournalofBiotechnology,123(1):22-32.[5]LiuWT,NakamuraK,MatsuoT,etal.Internalenergy-basedcompetitionbetweenpolyphosphate-andglycogen-accumulatingbacteriainbiologicalphosphorusremovalreactors-effectofP/Cfeedingratio[J].WaterResearch,1997,31(6):1430-1438.[6]SchulerAJ,JenkinsD.Enhancedbiologicalphosphorusremovalfromwastewaterbybiomasswithdifferentphosphoruscontents,Part1:Experimentalresultsandcomparisonwithmetabolicmodel[J].WaterEnvironRes.,2003,75(6):485-498.[7]FilipeCDM,DaiggerGT,GradyCPL.pHasakeyfactorinthecompetitionbetweenglycogen-accumulatingorganismsandphosphorus-accumulatingorganisms[J].WaterEnvironRes.,2001,73(2):223-232.[8]SchulerAJ,JenkinsD.EffectsofpHonenhancedbiologicalphosphorusremovalmetabolisms[J].WaterSciTechnol.,2002,4(4-5):171-178.[9]WhangLM,ParkJK.Competitionbetweenpolyphosphate-andglycogen-accumulatingorganismsinenhanced-biological-phospho-rus-removalsystems:effectoftemperatureandsludgeage[J].WaterEnvironRes.,2006,78(1):4-11.[10]KubaT,vanLoosdrechtMCM,HeijnenJJ.Effectofcyclicoxygenexposureontheactivityofdenitrifyingphosphorusremovingbacteria[J].WaterSciTechnol.,1996,34(1-2):33-40.[11]SaitoT,BrdjanovicD,vanLoosdrechtMCM.Effectofnitriteonphosphateuptakebyphosphateaccumulatingorganisms[J].WaterResearch,2004,38(17):3760-3768.[12]Kerrn-JespersenJP,HenzeM.Biologicalphosphorusuptakeunderanoxicandaerobicconditions[J].WaterResearch,1993,27(4):617-624.[13],,.A2/O[J].,2008,24(15):11-14.[14]MeinholdJ,FilipeCDM,DaiggerGT.Characterizationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologicalphosphorusremoval[J].WaterSciTechnol.,1999,39(1)31-42.[15].[M].:,2002.[16]Lopez-VazquezCM,HooijmansCM,BrdjanovicD,etal.Factors5TPFig.5OverallprofilesofTPremoval0102030405060700246810



(TP)/mgL /d/%020406080100A2/O35[32]PiKW,GaoLX,FanMX,etal.Two-stagebiodegradationcoupledwithultrafiltrationfortreatmentofmunicipallandfillleachate[J].ProcessSafetyandEnvironmentalProtection,2009,87(5):336-342.[33]AntoinePTrzcinski,MichaelJRay,DavidC.Stuckey.Performanceofathree-stagemembranebioprocesstreatingtheorganicfractionofmunicipalsolidwastean