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3211201111ENVIRONMENTALSCIENCEVol．32No．11Nov．2011/1313123*131313131341.4100822.5300043.4100824.410015A/O2SBRA/OSBR1SBR2．32SBR91.72%3.23mg·g－1SBR171.70%2.91mg·g－1SBR2．SBR1PHASBR2PHAPHA2SBRSBR22.6mg·L－113.28mg·L－1．SBR1SBR22SBR．A/OSBRX703.1A0250-3301201111-3379-072010-12-192011-05-2851078128CX2009B0791986～E-mailyfqihang@163.com*E-mailxmli@hnu．cnComparisonStudyonPhosphorusRemovalBetweenSingle-stageOxicProcessandAnaerobic/AerobicProcessYANGFan13WANGDong-bo13LIXiao-ming123YANGQi13DENGYing13LUOKun13ZOUZheng-jun13ZENGTian-jing13DENGPin41.CollegeofEnvironmentalScienceandEngineeringHunanUniversityChangsha410082China2.CollegeofEnvironmentGuangxiUniversityNanning530004China3.KeyLaboratoryofEnvironmentalBiologyandPollutionControlHunanUniversityMinistryofEducationChangsha410082China4.ResearchInstituteofHunanNonferrousMetalsChangsha410015ChinaAbstractTocomparetheefficiencyofphosphorusremovalbetweenanaerobic/aerobicprocessSBR1andsingle-stageoxicprocessSBR2twoSBRswereconductedusingacetateasthesolecarbonsourcewhichisthemostextensivesubstrateinmunicipalwastewater．TheresultsobtainedfromthreemonthsexperimentshowedthatthephosphorusremovalefficiencyandtheTPremovedonaunitMLSSwere91.72%3.23mg·g－1SBR1and71.70%2.91mg·g－1SBR2respectivelyduringsteadyoperation．ThefurtherstudyfoundthatasignificantincreaseofPHAassociatedwithandecreaseofglycogeninSBR1whileasignificantsynthesisofPHAincreasedwiththeaccumulationofglycogeninSBR2indicatingglycogenwasnotessentialforthesynthesisofPHAinsingle-stageoxicprocess．FurthermoreobviousphosphorusreleasewasobservedinbothSBRsduringidleperiodbutthecontentofphosphorusreleasedinSBR213.28mg·L－1wassignificantlyhigherthanthatinSBR12.6mg·L－1．ThepossiblereasonforSBR1andSBR2exhibiteddifferentphosphorusremovalefficiencieswasthatmicroorganismsinbothSBRshaddifferentcyclicstorageandconsumptionprocessofenergystoragesduringmetabolicprocess．KeywordsSingle-stageoxicprocessA/OprocesssimulatedmunicipalwastewaterSBRglycogenpoly-phosphate1～4．EBPR5～8310．EBPR/A/O“”PAOs210．A/O．81285%4DOI:10.13227/j.hjkx.2011.11.041321a22a1a．EBPRPAOs、pH235．EBPR．．EBPR11121314．2005SBR95.6%19～25．A/OPHA2021．EBPR．A/O．3A/O．11.122LSBRSBR1、SBR2．MLSS4000mg·L－1．2SBR38h．．SBR1→2h→4h→2h→SBR2→4h→4h→SBR1SBR2SBR．1L2SBR1.8L．SBR1．2SBR23L·min－1．100mLMSRT18d．1LHRT14h．1.2．2SBR1．26．0.5mL1Table1ComponentsofthesyntheticwastewaterC/mmol·L－1P/mg·L－1/mg·L－1/mg·L－1/mg·L－1/mL1512401050.6．1.3DO27pH27TP27MLVSS27COD27-20～24PHA20～246890N．22.1SBRCOD、VFA、、、pH、DOpHEBPR5．SBR1SBR212SBR．pHA/OPAOs23525pH．SBR1SBR2pH083311/．EBPRpH28．1SBR1SBR240d70dDOpH2．2SBRDOpH．SBR1SBR2pH=7.4±0.08SBR1pH0.257.128.6028．SBR2pH7.378.54SBR1SBR27.897.87．SBR1SBR228DO0≤0.5mg·L－1．SBR1SBR2pHDOA/O．1SBR1SBR240d70dpHDOFig.1ProfilesofpHandDOintwoSBRsduringonecycleofday40andday70experiments2.2SBR1SBR22SBR3．2SBRTPSBR1SBR235d．PAOs12．．SBR1SBR22MSRT．SBR1SBR246.2%38.9%25dP81.1%68.1%．26～35d41.3%34.9%．2SBR．2SBR．2SBR91.72%1.06mg·L－1SBR171.70%3.62mg·L－1SBR2．A/OSBR28.38mg·L－1．10mg·L－15mg·L－18．2.3．3A/O1833322SBR1SBR290dTPFig.2RemovalofTPinSBR1andSBR2during90daysoperation．2SBRA/O22SBRSRTA/O2h．．A/O“”．EBPR、2SBR1SBR2Table2SummaryofperformanceparametersintwoSBRsduringsteady-stateoperation/%/%/mg·L－1/mg·L－1/%/mg·L－1SBR194.890.01.280.6791.721.06SBR274.668.14.083.271.703.623A/OTable3EconomicalandtechnicalanalysesbetweenA/Oandsingle-stageoxicprocessA/OSBR1SBR2/%91.7271.70HRT/h14142．25mg3.6L30%185A/O．A/O．A/OUCT、DEPHANOXBardenpho．A/O3．Wang2190%．．332SBR55～80dMLSSMLVSS/MLSS．MLSS3309mg·L－1SBR13243mg·L－1SBR2．59d2SBR11.5mg·L－18.8mg·L－1MLSS3574mg·L－13024mg·L－1MLSSSBR1P3.23mg·g－1SBR2P2.91mg·g－132SBRMLVSS/MLSSSBR1SBR2SBR1SBR229．SBR1SBR2EBPRA/OPAOsPHAPAOsPHA“”1～3．TCA283311/355～80dMLSSMLVSS/MLSSFig.3ChangesofMLSSandMLVSSinSBR1andSBR2betweenday55andday80experimentPHA16．PAOsTCAPHAPHA“”2324．40d、59d80d2SBRTP、COD、PHA．4559d22．A/OSBR14TP16.02mg·L－190min96.2%90～120mimChen633.30mg·L－1TP49.32mg·L－1PHAC8.7mmol·L－1、C3.52mmol·L－1COD81%．SBR1TP48.87mg·L－1、PHA9.35mmol·L－1、6.15mmol·L－1COD19%．5SBR2TP26.8mg·L－14.5mg·L－122.3mg·L－1PHA5.2mmol·L－17.6mmol·L－1COD60min93%1.7mmol·L－1．A/OPAOs459dSBR1TP、COD、PHAFig.4VariationsofTPCODandsludgeglycogenaswellassludgePHAsduringonecycleinSBR1ofday59experiment559dSBR2TP、COD、PHAFig.5VariationsofTPCODandsludgeglycogenaswellassludgePHAsduringonecycleinSBR2ofday59experimentEBPRPAOsPHA310PHA30%15SBR2PHA．SBR2SBR1A/O．SBR2SBR12PAOsEBPRPAOs38333224．2SBRSBR213.28mg·L－13.32mg·h－1SBR12.6mg·L－11.3mg·h－1．SBR2．45SBR130．SBR2SBR1．SBR2TPSBR1TP．、PHA8．PAOs8．TP．SBR1SBR232SBR．SBR1SBR2A/O90%．．EBPR．42SBRA/O．A/OSBR191.72%71.70%．SBR28.60mg·L－1A/O．SBR1SBR22SBR．1YangSYangFLFuZMetal．SimultaneousnitrogenandphosphorusremovalbyanovelsequencingbatchmovingbedmembranebioreactorforwastewatertreatmentJ．JournalofHazardousMaterials20101751-3551-557.2De-BashanLEBashanY．Recentadvancesinremovingphosphorusfromwastewateranditsfutureuseasfertilizer1997-2003J．WaterResearch200438194222-4246.3OehmenALemosPCCarvalhoGetal．AdvancesinenhancedbiologicalphosphorusremovalfrommicrotomacroscaleJ．WaterResearch200741112271-2300.4XieLQXiePLiSXetal．ThelowTNTPratioacauseoraresultofMicrocystisblooms