臭氧氧化污泥减量和碳源回收利用研究孟宪荣刘东方刘范嘉于非凡于洁

112211．3000712．300081A2/O。A2/O25mg/L。SCOD3．5SSVSS46．8%42．3%A2/OC/NC/P。DOCOD。A2/OX703A1000－4602201401－0018－04StudyonOzonationforSludgeＲeductionandCarbonSourceＲecoveryMENGXian-rong1LIUDong-fang1LIUFan-jia2YUFei-fan2YUJie11．SchoolofEnvironmentalScienceandEngineeringNankaiUniversityTianjin300071China2．TianjinCapitalEnvironmentalProtectionGroupCo．Ltd．Tianjin300081ChinaAbstractSludgeozonationwascombinedwiththeA2/Oprocesstoinvestigatethefeasibilityofsimultaneouslysludgereductionandcarbonsourcerecoveryforbiologicalnitrogenandphosphorusremov-alBNPＲ．AftertheA2/Oprocessoperationwassteadytheconcentrationofozonewascontrolledat25mg/Landthedisruptedexcesssludgewasaddedintoanaerobictankcontinuously．TheresultsshowedthatafterozonationtheconcentrationofSCODincreasedto3．5timescomparedtobeforeozona-tionandtheremovalratesofSSandVSSwere46．8%and42．3%respectively．TheC/NandC/Pra-tiosroughlydoubledafterthebackflowofozonizedsludgehowevertherewasnoimprovementintheef-ficiencyofBNPＲ．ThereasonwasthehighDOconcentrationdestroyingtheanaerobicoranoxicenviron-ment．MeanwhilelessCODwasavailableformicroorganisms．KeywordsozonationA2/Oprocesssludgereductioncarbonsourcerecovery2009ZX07314－002201060%3000×104t1。、23。209045、6。Zhang750mg/gDSSSVSS·81·30120141CHINAWATEＲ＆WASTEWATEＲVol．30No．1Jan．201449．1%45．7%、。Dytczak825%CODSCOD。A2/O。11.1A2/O3000～5000mg/L。。、1。1A2/O、Tab．1InfluentandeffluentqualityofA2/Oprocessoperatedalonemg·L－1CODSSTNTPNH3－NNO－3－N16914449945＜0．0530152073151.2A2/O80%300%。。25mg/L4000r/min2minCOD、TN、TP、NH3－N。1.3SS103～105℃VSS550℃COD—TN—TP。22.1COD3．5NH3－N、TN、TP1。9。Manterola5＜20mg/gTSS。Manterola。SCOD、。1Fig．1CODNH3－NTNandTPconcentrationsbeforeandafterozonation2.2·91·．watergasheat．com301、10。SSVSS46．8%42．3%2。2Fig．2Ｒesultofsludgereductionbyozonation2.3C/N、C/P3。3C/N、C/PFig．3C/NandC/PratiosbeforeandafterbackflowofozonizedsludgeC/NC/P。C/N9＞90%11。3。COD50mg/LATNTPA。NH3－N93%90%TPTN58%45%。NH3－NNH3－N3．2mg/L4．2mg/LTN20mg/L24mg/LTP7mg/L5．6mg/L。。Cui12AO、。DO。DO20mg/L1h19．5mg/L3h4．7mg/L。DO。①DODO。②COD。3①COD3．5NH3－N、TN、TP。C/NC/P。②SSVSS46．8%42．3%。③A2/ODO。·02·301．watergasheat．com1．9J．20112414－68．2TsunedaSMiyauchiＲOhnoTetal．Characterizationofdenitrifyingpolyphosphate-accumulatingorganismsinactivatedsludgebasedonnitritereductasegeneJ．JBiosciBioeng2005994403－407．3UcisikASHenzeM．Biologicalhydrolysisandacidifi-cationofsludgeunderanaerobicconditionsTheeffectofsludgetypeandoriginontheproductionandcomposi-tionofvolatilefattyacidsJ．WaterＲes200842143729－3738．4．J．2008275773－776．5ManterolaGUriarteISanchoL．Theeffectofopera-tionalparametersoftheprocessofsludgeozonationonthesolubilisationoforganicandnitrogenouscompoundsJ．WaterＲes200842123191－3197．6．D．2006．7ZhangGYangJLiuHetal．SludgeozonationDisinte-grationsupernatantchangesandmechanismsJ．BioresourTechnol200910031505－1509．8DytczakMAOleszkiewiczJA．Performancechangeduringlong-termozonationaimedataugmentingdenitrifi-cationanddecreasingwasteactivatedsludgeJ．Chem-osphere20087391529－1532．9AhnKHParkKYMaengSKetal．OzonationofwastewatersludgeforreductionandrecyclingJ．WaterSciTechnol2002461071－77．10．J．200625350－52．11ParkKYLeeJWSongKGetal．Ozonolysateofex-cesssludgeasacarbonsourceinanenhancedbiologicalphosphorusremovalforlowstrengthwastewaterJ．BioresourTechnol201110232462－2467．12CuiＲJahngD．NitrogencontrolinAOprocesswithre-circulationofsolubilizedexcesssludgeJ．WaterＲes20043851159－1172．1989－。[e-mail]2013－09－14··GOT2000GOT2000IQPlatformFA。。GOT2000PLC。GOT2000、FPD、、、。＜＞·12·．watergasheat．com301