传统厌氧好氧生物除磷与厌氧缺氧反硝化除磷效能的比较苏婉琳

96201111ChineseJournalofBioprocessEngineeringVol．9No．6Nov．2011doi10．3969/j．issn．1672－3678．2011．06．0112011－04－11397080061985—[e-mail]//210009SBR/A/O/A/A2。/2P90%85%A/ASBRA/OSBR1.2。。2A/ASBRDPAOA/OSBR4.56。2。X703.1A1672－3678201106－0049－05Comparisonbetweentraditionalbiologicalphosphorusremovalbyanaerobic/aerobicanddenitrifyingphosphorusremovalbyanaerobic/aerobicSUWanlinHANPingfangCollegeofEnvironmentNanjingUniversityofTechnologyNanjing210009ChinaAbstractTwosequencebatchreactorsSBRsinA/OandA/Arunmodeswereoperatedinparalleltocomparetheirabilityofsimultaneousphosphorusandnitrogenremoval．Theresultsshowedthattheabilityoftheanaerobic/anoxicstrategyenrichedthegrowthofdenitrifyingphosphorusbacteriacapableoftakingupphosphateunderanoxicconditionandtheremovalofCODandphosphoruswereaveragedover90%and85%inthesteady-staterespectively．A/ASBRhadthestrongeranaerobicphosphorusreleaseabil-ityitsamountofanaerobicreleasedphosphorusishigherthan1.2timescomparedwithA/OSBR．Itisshownthatinterpretationofphosphorusreleasetestswithorwithoutnitratepresentwasdifferent．Thepro-portionofdenitrifyingphosphateaccumulatingorganismDPAOwas4.56timescomparedwiththeoneofA/OSBR．ThequalitiesofeffluentweremetthecriteriaandDPAOsystemscouldobtaiagetsimulta-neousdenitrifyingandphosphorusremoval．ThusDPAOhadmoreadvantagesthanPAOforbiologicalphosphorusremoval．Keywordsactivatedsludgedenitrifyingphosphorusremovalbiologicalphosphorusremovalsequencebatchreactor。PAOPpoly-P1。DPB2－4。-β-PHAsP/ONADHATP。NO－3O240%5－7。8。2DPB。COD50%、30%50%COD400mg/L9－10。C、NO3、pH、DOSRT。SBRS2/SBRA/OSBR/SBRA/ASBR。11.1A/OSBRA/ASBR1。26L15cm40cm。。SBR、3L3L。、、、、。1—2—3—4—5—6—7—8—9—10—SBR11—1Fig．1Schematicdiagramofexperimentalprocess1.2MLVSS/MLSS0.76。16g/L2。1.3NaAcKH2PO4CODTPNO－3-NKNO3。NH4Cl0.104g/LMgSO4·7H2O0.08g/LCaCl2·H2O0.05g/Llml/L。20～30℃pH7.0±0.1。mCOD∶mN∶mP400∶30∶9。g/LFeCl3·6H2O1.5H3BO30.15CuSO4·5H2O0.03KI0.18EDTA10MnCl2·4H2O0.12Na2MoO4·2H2O0.06ZnSO4·7H2O0.12CoCl2·6H2O0.15。1.4238h//10min。1。0591SBRTable1OperatingconditionsinSBR/h/h/h/h1#-34—12#-3—4115dDO1～3mg/LMLSS3g/L。SBRPO3－4-P185%PO3－4-PNO－2-N11。1.5pH、COD、NH+4-N、NO－2-N、NO－3-N、PO3－4-P、MLSSMVLSS12。22.1A/OSBRA/ASBRCODCODCOD。COD2。2A/OSBRA/ASBRCOD44.1550.22mg/L91.54%88.64%2CODA/OSBR。CODC-β-PHB。A/ASBR。2A/OSBRA/ASBRCODFig．2EffectsofA/OSBRandA/ASBRonCODremoval2.2A/OSBRA/ASBRPO3－4-P3。3A/OSBRA/ASBR60%。A/OSBR50.12mg/LPO3－4-P1mg/LPO3－4-P88.36%。A/ASBR30mg/L60.14mg/LA/OSBR1.2PO3－4-P1.69mg/LPO3－4-P89.59%。PO3－4-P/PO3－4-PA/OSBR。1.5hC2h。156//3A/OSBRA/ASBRPO3－4-PFig．3EffectsofA/OSBRandA/ASBRonPO3－4-Premoval2.3、A/OSBRA/ASBRNaAc、4。42。A/OSBR2hPO3－4-P5.12mg/L56.59mg/L8.58mg/g·h。1hA/ASBR2h7.37mg/L47.19mg/L6.63mg/g·hSomiya13。4bA/ASBRPHB144a。4bA/OSBR37.53mg/LA/ASBR22.61mg/LA/OSBR56.59mg/LA/ASBR47.19mg/L。Kuba15。4Fig．4EffectsofnitrateonphosphoruswithNaAcconcentration2.4PAODPAO2DPAOPAO5。DPAO6RDPAO=qan/qaeRDPAORDPAODPAOPAOqanmg/g·hqaemg/g·h。5A/OSBR11.18mg/g·h1.13mg/g·hDPAOPAO10.11%。A/OSBRA/ASBR4.91mg/g·h10.58mg/g·hDPAOPAO46.40%Wachtmeisster625950%。A/ASBRDPAOA/OSBR4.56/DPAO。5A/OSBRA/ASBRDPAOFig．5EffectsofA/OSBRandA/ASBRonDAPOproportion31A/OA/A2SBR。90%85%。CODCOD。。2、A/O2hPO3－4-P5.12mg/L56.59mg/L8.58mg/g·hA/APO3－4-P2h7.37mg/L47.19mg/L6.63mg/g·h。。3A/ASBRA/OSBR。DPAOPAO4.56。DPAOPAO。1ChuangSHOuyangCF．Thebiomassfractionofthehetero-trophsandphosphate-accumulatingorganismsinanitrogenandphosphorusremovalsystemJ．WatRes20003482238-2290．2ComeauYHallKJHancockREWetal．BiochemicalmodelforenhancedbiologicalphosphorusremovalJ．WatRes198620121511-1521．3ComeauYOldhamWKHallKJ．DynamicsofcarbonreservesinbiologicaldephosphatationofwastewaterM//RamadoriR．AdvancesinWaterPollutionControlBiologicalPhosphateRe-movalfromWastewaters．OxfordPergamonPress198739-55．4Kerrn-JespersenJPHenzeM．Biologicalphosphorusuptakeun-deranoxicandaerobicconditionsJ．WatRes199327617-624．5．J．200531835-38．6WachtmeissterAKubaTvanLoosdrechtMCMetal．Asludgecharacterizationassayforaerobicanddenitrifyingphosphorusre-movingsludgeJ．WatRes1997313471-478．7KubaTvanLoosdrechtMCMHeijnenJJ．Phosphorusandni-trogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo-sludgesystemJ．WatRes19963071702-1710．8JenkinsDTandoiV．Theappliedmicrobiologyofenhancedbio-logicalphosphateremovalaccomplishmentsandneedsJ．WatRes199125121471-1478．9．A2/OJ．20055681565-1570．10．A2/OJ．2006265722-727．11．J．2005282106-109．12．M．4．2002．13SomiyaITsunoHMatsumotoM．Phosphorusrelease-storagere-actionandorganicsubstratebehaviorinbiologicalphosphorusremovalJ．WatRes198822149-58．14KubaTWachtmeisterAvanLoosdrechtMCMetal．EffectofnitrateonphosphorusreleaseinbiologicalphosphorusremovalsystemsJ．WatSciTechnol199430263-269．15KubaTvanLoosdrechtMCMHeijnenJJ．Effectofcyclicoxy-genexposureontheactivityofdenitrifyingphosphorusremovingbacteriaJ．WatSciTech19963433-34．356//