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200905253()JournalofShenyangJianzhuUniversity(NaturalScience)May2009Vol.25,No.3:2007-11-06:(20060692);(HJ-200602);(2007107):(1972),,,.:1671-2021(2009)03-0544-041,2,2,1,1,1,2,2,1(11,100022;21,110168):,./SBR(1#2#),16L,615h,32d,SBR,-(2h)-(4h)-(015h)-.,1#,2#..23,,.1#69%,89%,2#75%,91%.,,,.,,.:SBR;;;;;:TU98612:A0,,.1977OsbornNicholls,[1].[2-6],.,[7-9].,,,,,,,,,.,.,,(DPB),DPB,,DPB.,.1111/SBR,1.,150mm,1000mm,,16L.,25:545150mm,,.1.2.3.ORP4.5.6.1SBR112,COD,NH+4-N,NO-2-NN-(1-)-,NO-3-N,TP,ORPORP,MLSS.113,:CH3COONa3H2O,110g;KH2PO4,011g;MgSO4,01045g;KCl,01018g;Na2CO3,0108g;,013016mL.:FeCl36H2O,115g;CuSO45H2O,0103g;KI,0118g;MnCl24H2O,0112g;ZnSO47H2O,0112g;CoCl26H2O,0115g;H3BO3,0115g;Na2MnO42H2O,0106g;EDTA,10g.MLSS25003000mg/L.114SBR,1#2#,615h,,:-(2h)-(4h)-(015h)-,1#;2#..2,4,246.,32d.21123,,,.2.2h(),,.2h,1#2#,.,,,,.2,2#1#,1#96%50%,2#99%62%.2123,,,60%.,1#69%,2#75%.,546()25,.3213,,,.2h,1#2#,.4().1#89%,2#91%.,.4214NO-x-N1#,.5,(NO-3-N),.,.512,,,.,,,,.,,,,PHA,,.51#NOX-N2#,,PHA,,.3(1),69%,89%,,75%,91%.,,.(2),,,,PHA,,.(3),,.,-.25:547:[1]OsbornDW,NichollsHA.Optimisationoftheacti2vatedsludgeprocessforthebiologicalremovalofphosphorus[J].ProgWatTech,1978,10(1/2):261-277.[2]WannerJ,CechJS,KosM.Newprocessdesignforbiologicalnutrientremoval[J].Wat.Sci.Tech.,1992,25(4/5):445-448.[3]KubaT,SmoldersG.Biologicalphosphorusremovalfromwastewaterbyanaerobic2anoxicsequencingbatchreactor[J].Wat.Sci.Tech.,1993,27(5/6):241-252.[4]KubaT.Occurrenceofdenitrifyingphosphorusremo2vingbacteriainmodifiedUCT2typewastewatertreat2mentplants[J].Wat.Res.,1997,31(4):777-786.[5]StgaardK,ChristenssonM,LieE,etal.Anoxicbio2logicalphosphorusremovalonafull2scaleUCTprocess[J].Wat.Res.,1997,31(11),2719-2726.[6]KubaT.Biologicaldephosphatationbyactivatedsludgeunderdenitrifyingconditions:pHinfluenceandoccurrenceofdenitrifyingdephosphatationinafull2scalewastewatertreatmentplant[J].Wat.Sci.Tech.,1997,36(12):75-82.[7],,,.[J].:,2005,21(5):560-563.[8],,.C/N[J].,2005,5(3):367-371.[9],,,.[J].,2005,6(9):20-24.ResearchontheCharacteristicsofDenitrifyingPhosphorusandNitrogenRemovalbyDifferentElectronAcceptorsZHANGLicheng1,2,FUJinxiang2,LIDong1,LIXiangkun1,TIANZhiyong1,CHIFuqiang2,WANGYing2,ZHANGJie1(1.ArchitecturalEngineeringInstituteofBeijingUniversityofTechnology,BeijingChina,100022;2.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,ShenyangChina,110168)Abstract:Inordertoinvestigatethecharacteristicsofremovingphosphorusandnitrogeninwastewaterwithnitrateandnitritenitrogenaselectronacceptors,twoanaerobic/anoxicsequencingbatchreactorswereadopt2edtotreatcompoundedwastewatercontainingphosphorus.Eachreactoriswith16Lvalidvolume,615hre2actionperiodand32daysSRT.Theoperatingmethodwasasfollows:concentratedinlet2anaerobicagitation(2h)$anoxicagitation(4h)$sedimentation(015h)$decanting.Atthebeginningofanoxicphase,so2diumnitratewasputintoonereactor(No.1),andsodiumnitriteintoanotherreactor(No.2).Thereactorswererunfortwoperiodseachday.Thereactorscouldsteadilyremovenitrogenandphosphorussimultane2ouslyafter223weekssincebeginning,whichshowedthatthereactorswerestartedupsuccessfully.Theaver2ageratiosofremovingtotalphosphorusandnitratenitrogeninthereactorofNo.1were69%and89%,re2spectively.AndtheaverageratiosofremovingtotalphosphorusandnitritenitrogeninthereactorofNo.2were75%and91%,respectively.Partialnitratenitrogenwastransformedtonitritenitrogenwhileitwasservedaselectronacceptor,andtheyplayedtheroleofelectronacceptorstogethertoremovenitrogenandphosphorusinwastewater.Itisconcludedthatbothnitratenitrogenandnitritenitrogencanbeservedaselec2tronacceptorstoremovephosphorus,andtheycanremovenitrogenandphosphorussimultaneouslyinanoxiccondition.Moreover,theefficiencyofremovingnitrogenandphosphorusbynitritenitrogenishigherthanthatbynitratenitrogen.Keywords:SBR;denitrifyingphosphorusremoval;electronacceptors;nitratenitrogen;nitritenitrogen;sim2ultaneousremovalofnitrogenandphosphorus