反硝化除磷工艺中缺氧吸磷的影响因素吕小梅

6E518055。。X703Adoi10.3969/j.issn.1003-6504.2010.6E.0551003-6504(2010)6E-0211-04FactorsAffectingAnoxicPhosphorusAssimilatinginDenitrifyingPhosphorusRemovalProcessLvXiao-meiLijiShaoPei-bingEnvironmentalScienceandEngineeringResearchCenter,HarbinInstituteofTechnologyShenzhenGraduateSchool,Shenzhen518055,ChinaAbstractUsingdenitrifyingphosphorusbacteriatoachieveurbansewagenitrogenandphosphorusremovalisasustainablenewtechnologywithenergysaving.Inthispaper,parametersaffectingthedenitrifyingphosphateremovalinanoxicweresummarizedandthefutureprogressofdenitrifyingphosphorusremovalwasalsodiscussed.Futurestudyshouldbefocusedonresearchingtheon-lineautomaticcontrolsystemsandsensingtechnologytocontroltheredoxpotentialandreactiontimeofanoxic,inordertoimprovethetreatmenteffectandthesystematiccontrol.KeywordsDenitrifyingphosphorusremoval;anoxicphosphorusassimilating;carbonsource;autocontrol2010-06-112010－06－192008ZX07317-02“”[e-mail]。、A2/O、SBR[1-3]、[4]。。。/NO3-DPB。PHB“”。[5-6]。A/OPHB。。。PHB。、、。。11.1NO3-NO3-EnvironmentalScience&Technology336E20106Vol.33No.6EJune201033[7]。(5、15、40mg/L)[8]。NO3-NO3-NO3-NO2-[9]。[10]NO3-15mg/LTP＜23%NO3-25mg/L～45mg/LTP60%70.4%NO3-55mg/LTP＜34%。[11]A/A-SBR1.5mg/L4mg/L7mg/L。[12]NO3-0.4mg/L3.2∶1100%98%。A2/OA2/ONO3-[13]。Kuba[14]NO3-DPBDPBPAOsNO3-。NO3-。[15]SBRNO3-NO2--N。。1.2NO3-NO3-[16]。[17]1h、2h。。1h6.716.29mgP/(MLSS·h·L)2h4.594.38mgP/(MLSS·h·L)。。。[18]2h3.5h。1.3pHpHpH。[19]pHpH6.0~8.0pHpH6.0、6.5、7.0、7.5、8.07.22、10.07、18.62、34.13、35.69mg/LpH7.5。pH8.0[20]P/C20%[21]。SmolderspHA/O-SBR[22]。pH7.0±0.1pH7.0~8.0pH[23]。1.4HRTHRTPO43-NO3-HRT。ORP[24]。3~4hHRT“”[25]。[26](2h)/(2.5h)/(0.5h)(2h)/(1h)/(2h)NO3--N20mg/L。48.7%96.7%。1.5SCFAs。[27]DPAOs[28]。PHB[29]。2126E,“”。SBR150mgP/L5.7%[18]。Meinhold[30]PHBPHB。Kerrn-Jespersen[31]SCFAs。SCFAsSCFAs[32]。Meinhold[33]。SCFAsDPAOsnon-DPAO。SCFAsnon-DPAODPAOs[34]DPAOs[35]。。DPBsNO3--N()、[36][37]。1.6PHBNO3--N[38-39]。C2H4O2+0.16NH4++0.2PO43-+0.96NO3-→0.16C5H7NO2+1.2CO2+0.2HPO3+1.4OH-+0.48N2+0.96H2O0.96molNO3-0.2molPO43-2mgNO3-N21mgPO43-。2∶1[16]PO43--P=0.89NO3--N+1.49(R2=0.9966)[17]PO43--P=0.7617NO3--N+0.8126(R2=0.9928)[40]PO43--P=0.52NO3--N-0.17(R2=0.98)。[27]。。21。、。2pH3HRT“”。4“”、、。52∶1。31。2。3、。[][1]SchmidtIBockEAnaerobicammoniaoxidationwithni－trogendioxidebyNitrosomonaseutropha[J].ArchMicrobi－ol,1997,167:106-111.[2],,.(SBBR)[J].,2008,28(1):24-26.[3],,.[J].,2008,26(1):11-14.[4],,,.A2/O[J].2003,29(3):22-26.[5],,.[J].,2006,37(1):40243.[6],,.[J].,2004,22(1):32-35.[7]MeinholdJ,FilipeCDM,DaiggerGT,etal.Characteriza－tionofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologicalphosphateremoval[J].Wat.Sci.Tech,1999,39(1):31-42.[8],,,.ORP[J].,2004,25(4):54-58.[9],,,.[J].(),2007,35(6):120-126.21333[10],,,.[J].(),2007,23(5):806-808.[11],.[J].,2006,30(4):43-45.[12],,.[J].,2001,20(11):556-557.[13],,.A2/O[J].,2007,13(3):401-407.[14]KubaT,vanLoosdrechtMCM,BrandseFA,etal.Oc－currenceofdenitrifyingphosphorusremovingbacteriainmodifiedUCT-typewastewatertreatmentplants[J].Wat.Res,1997,31(4):777-786.[15],,,.[J].,2007,23(17):32-36.[16],,,.[J].,2003,25(6):323-325.[17],.[J].,2009,3(6):977-980.[18],,.[J].,2002,15(3):38-41.[19].[J].,2006,44-45.[20],,.A2N[J].,2003,19(9):8-11.[21]KubaT,VanLoosdrechtMCM.Biologicaldephosphata－tionbyactivatedsludgeunderdenitrifyingconditions:pHInfluenceandoccurrenceofdenitrifyingdephosphatationinafull-scalewastewatertreatmentplant[J].WatSciTech,1999,36(12):75-82.[22]Smolder,GJF,VanderMeij,J,VanLoosdrecht,MCM,etal.Modeloftheanaerobicmetabolismofthebiologicalremovalprocess:stoichiometryandpHinfluence[J].Biotech－nologyBioengn.1994,43:461-470.[23],.pH[J].,2004,14(5):284-286.[24]Akin,BS,Ugurlu,A.Monitoringandcontrolofbiologicalnutrientremovalinasequencingbatchreactor[J].ProcessBiochemistry,2005,(40):2873-2878.[25]YayiW,YongzhenP,TomStephenson.Effectofin覲uentnutrientratiosandhydraulicretentiontime(HRT)onsimul－taneousphosphorusandnitrogenremovalinatwo-sludgesequencingbatchreactorprocess[J].BioresourceTechnolo－gy,2009,100:3506-3512.[26],,,.[J].,2003,29(4):36-39.[27],,./[J].,2009,35(8):35-38.[28]Soejima,K,Oki,KTerada,A.Effectsofacetateandnitriteadditiononfractionofdenitrifyingphosphate-accumulatingorganismsandnutrientremovalefficiencyinanaerobic/aer－obic/anoxicprocess[J].BioprocessBiosystEng,2006,29:305-313.[29],.[J].,2003,19(8):33-35.[30]Meinhold,J,Pedersen,H,Arnold,E,etal.Effectofcontin－uousadditionofanorganicsubstratetotheanoxicphaseonbiologicalphosphorusremoval[J].WatSciTech1998,38(1):97-105[31]Kerm-Jespersen,PJ,Henze,M.BiologicalPhosphorusUp－takeunderAnoxicandAerobicConditions[J].WaterRes,1993,27(4),617-624.[32]Wachtmeister,A,Kuba,T,vanLoosdrecht,MCM,etal.Sludgecharacterizationassayforaerobicanddenitrifyingphosphorusremovingsludge[J].WaterRes,1997,31(3),471-478.[33]Meinhold,J,Pedersen,H,Amold,E,etal.Effectofcontin－uousadditionofanorganicsubstratetotheanoxicphaseonbiologicalphosphorusremoval[J].WaterSci.Technol,1998,38(1):97-105[34]Meinhold,J,Filipe,DMC,Daigger,GT,etal.Characteri－zationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologic