不同进水条件对SBR工艺脱氮除磷效能的影响杨菲菲

6[1]。、[2]。、。、[3-4]。A/O、A2/O、UCT、Bardenpho、Phostrip。[5]。“”。//A/O/ASBR。《》2010-06-132010-09-2[e-mail]*[e-mail]。EnvironmentalScience&Technology34620116Vol.34No.6Jun.2011.SBR[J].,2011,34(6):127-131.YangFei-feiMaFangWeiLietal.InfluenceonnitrogenandphosphorusremovalbySBRprocess[J].EnvironmentalScience&Technology,2011,34(6):127-131.SBR112*223221.1100362.1500903.430071pH//A/O/ASBR。pH7.51.4PO43--PNH4+-N97.28%99.5%。NO3--NNO2--N2.8mg/L0.9mg/L。A/O/ASBR。A/O/ASBRX703.1Adoi10.3969/j.issn.1003-6504.2011.06.0281003-6504(2011)06-0127-05InfluenceonNitrogenandPhosphorusRemovalbySBRProcessYANGFei-fei1MAFang12*WEILi2JIANGXin-xin2ZHANGQian3GAOJie2ZHANGXiao-xin21.SchoolofEnvironmentalScienceLiaoningUniversityShenyang110036China2.StateKeyLaboratoryofUrbanWaterResourceandEnvironmentHarbinInstituteofTechnologyHarbin150090China3.SchoolofCivilEngineeringWuhanUniversityWuhan430071ChinaAbstractEffectsofdifferentpHvaluecarbonsourceC/NratioofflowonnitrogenandphosphorusremovalofA/O/ASBRprocesswereinvestigatedbyusingsyntheticdomesticwastewaterasfeed.Resultsshowedthatthereactorwasinfluencedbydifferentflowconditionsgreatly.WhenpHvaluewaskeptas7.5sodiumacetateascarbonsourceandC/Nratiowaskeptas1.4thehighestnitrogenandphosphorusremovalefficiencywasachieved.Phosphorusuptakeratewasaveragedat92.48%anddenitrificationratereached99.5%.EffluentconcentrationsofNO3--NandNO2--Nwerefollowedas2.8mg/Land0.9mg/Lrespectively.Denitrifyingpolyphosphate-accumulatingorganismswereenrichmentinA/O/ASBRreactorwhichcansolvetheproblemofcompetitionforcarbonanddifferentbacteriagenerationtimebetweendenitrifyingbacteriaandphosphorus.NitrogenandphosphorusremovalwereachievedsimultaneouslyinA/O/ASBRreactorfordenitrificationandphosphorus.KeywordsA/O/ASBRnitrogenandphosphorusremovaldenitrifyingpolyphosphate-accumulatingorganisms3411.1SBR0.6g/L0.12g/L-P0.5g/L0.8g/L0.16g/L1mL/L[6]。。1。0.1m0.1m0.2m2L。5min180min140min150min10min5min1。。。MLSS5918mg/L。8~10d19~23℃HRT23.5h。。1.2pHNaOHHCl1.41.72.4A/O/ASBR。。CODPO43--PNH4+-NNO3--NNO2--NN-1--。22.1pHNaOHHClpH1.4。pH6.5~8.5。pH[7]pH[8]。pH6。pH[9-11]。pHHesselmna[12]pHpH。2apH8.57.56.5PO43--P76.23%97.28%92.48%。pH7.5PO43--PpH[7]。pH90%。。pHPoly-p。2aNH4+-NpH6.57.58.5NH4+-N98%。pHNH4+-N。pH8.5NH4+-N99.8%。NH4+NH3NH3+H2ONH4++OH-pH。pH。pH。[13]。2b。NH4ClNH4+。NO3--NNO2--N。pHNO3--N。pH6.5~7.5[14]。2b1Table1Waterqualityofthesyntheticwastewater(mg/L)CODNH4+PO43--PNO3--NMgCa407.59146335.15924葑1286pH6.5。pH。2.2[15]Poly-p-hydrxoyaklnaoaetsPHA。PHA。PHA。PHAPoly-p-hydroxybutyratepHBPoly-p-hydrxoyvaleratePHV[16]。3。36%10%。15%5%。。。2.3C/NC/NA/O/ASBR。、C/N4.5[17]。。4。C/N1.4PO43--PNH4+-N97.28%99.5%。NO3--NNO2--N2.8mg/L0.9mg/L。[18]。C/NNO3--N。。。A/O/ASBR。。。SBR129342.4A/O/ASBR//。1.4pH7.5。5。PO43--PpH7.30.2mg/L。57%。30。PO43--P。pH86.5mg/L。60%。。。5。PO43--P93%。Meinhold[19]8mg/L。5PO43--PPAO。3pHA/O/ASBR。1A/O/ASBR。。。2pH7.51.4PO43--PNH4+-N97.28%99.5%。3A/O/ASBR。[][1]OsnatgillorOrahadasAntonFetal.Phosphorusandnitro－geninamonomicticfreshwaterlakeemployingcyanobac－terialbioreporterstogainnewinsightsintonutrientbioavail－ability[J].FreshwaterBiology20105561182-1190.[2].[J].2010(5)416-465.ChenXiao-jiang.Monitoringofurbaneutrophicationlake[J].Science&TechnologyInformation2010(5)416-465.inChinese[3].SBR1306[J].200632990-93.LiJunPengYong-zhenGuGuo-weietal.On-linecon－trollingofSBRsystemfornitrogenandphosphorusremovalfrommunicipalwastewater[J].Water&WastewaterEngi－neering200632990-93.inChinese[4]YuRFLiawSLChengWYetal.Performanceenhance－mentofSBRapplyingreal-timecontrol[J].JournalofEnvi－ronmentalEngineering20001268943-948.[5].SBR[J].20093286-12.YangWen-tingShenYao-liang.Enrichmentandcultiva－tionofdenitrifyingphosphorusremovingbacteriainse－quencingbatchreactor[J].EnvironmentalScience&Technol－ogy20093286-12.inChinese[6]SatoshiTsunedaTakashiOhnoKoichiSoejimaetal.Si－multaneousnitrogenandphosphorusremovalusingdenitri－fyingphosphate-accumulatingorganismsinasequencingbatchreactor[J].BiochemicalEngineeringJournal200627191-196.[7].[J].200224285-87.WeiChen.Researchonthefactorsinfluencephosphatere－movalinwastewatertreatment[J].ChongqingEnvironmentalScience200224285-87.inChinese[8].A2/O[J].200732121-4.LiMingHuangMin-shengXieBingetal.ResearchonA2/Otechnologyinfluencingfactors[J].ShanghaiChemicalIndustry200732121-4.inChinese[9]SormRBortoneGSaltarelliR.Phosphorusuptakeunderanoxicconditionsandfixedfilmnitrificationinnutrientre－movalactivatedsludgesystem[J].WaterRes19963091573-1584.[10]Kerrn-JespersenJPHenzeM.Biologicalphosphorusup－takeunderanoxicandoxicconditions[J].WaterRes1993274617-624.[11]BortoneGSaltarelliRAlonsoV.Biologicalanoxicphos－phorusremoval[J].WaterScience&Teachnol1996341/2119-128.[12]HesselmannRPXVonRummelRResnicketalSM,etal.Anaerobicmetabolismofbacteriaperofrmingenhancedbio－logicalphosphateremoval[J].WaterRes2005343487-3494.[13].SBR[J].200938933-35.YangA-nanZhangYu-weiZhangXin-ning.Studyonni－trogenandphosphorusremovaloftheSBRprocess[J].LiaoningChemicalIndustry200938933-35.inChi－nese[14].pHORPSBR[J].200671232-35.YangAn-mingWangShu-yingYangQing,et