MBBRMBR组合工艺处理生活垃圾沥滤液的研究叶杰旭

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MBBR—MBR叶杰旭1,穆永杰2,孙德智2,钟晨宇2(1.,150090;2.,100083)[],/MBBR—MBR。:pH7、1.0L/d400%,NH4+-N1650mg/L、COD6500mg/L,COD、NH4+-N、TN80%、99%、81%,NH4+-N15mg/L,NH4+-N。,MBBRMBR90%、80%。。[];;;;[]X703.1[]A[]1005-829X(2013)01-0020-05TreatmentofleachatefromadomesticwasteincinerationplantbyMBBR-MBRcombinedprocessYeJiexu1,MuYongjie2,SunDezhi2,ZhongChenyu2(1.StateKeyLaboratoryofUrbanWaterResourceandEnvironment,HarbinInstituteofTechnology,Harbin150090,China;2.BeijingKeyLabforControlTechnologyofWaterPollutionSources,BeijingForestryUniversity,Beijing100083,China)Abstract:Alab-scalecombinedprocesscomprisedofthemovingbedbiofilmreactor(MBBR)andthemembranebiologicalreactor(MBR)hasbeenusedfortreatingtheleachatefromamunicipalsolidwasteincinerationplant,afterbeingtreatedbyanaerobicprocess.TheresultsshowthatthecombinedprocessiseffectivewhentheinfluentpHisabout7,influentflow1.0L/d,andtotalrefluxratio400%,andevenwhentheNH4+-Noftheleachateisaround1650mg/LandCOD6500mg/L,theremovingratesofCOD,NH4+-NandTNcanstillreachabout80%,99%and81%,respectively.TheeffluentNH4+-Nislessthan15mg/L.ItindicatesthatthisprocesscaneffectivelyremovehighlyconcentratedNH4+-N.Furthermore,short-cutnitrificationwithabout90%and80%ofnitriteaccumu-lationtakesplaceinthesecondstageofaerobicMBBR(MBBR2)andtheMBR.TheamountofnitritebateriaismuchmorethanthatofthenitratebacteriainbothoftheMBBR2andMBR.Keywords:domesticwasteincineration;leachate;movingbedbiofilmreactor;membranebiologicalreactor;deni-trification,,3~7d、〔1-2〕。,、,(COD30000~80000mg/L),(NH4+-N300~1800mg/L),,〔3-4〕。,,,〔5〕。,[](QAK201007);(2009)33120131IndustrialWaterTreatmentVol.33No.1Jan.,201320,80~100/t,。,(B/C0.3),80%COD,NH4+-N1000mg/L〔6〕。,。、NH4+-N,〔7〕。(MBBR),、、,〔8〕。ShengChen〔9〕—MBBR,OLR4.08kg/(m3·d),MBBRHRT1.25d,CODNH4+-N94%97%,。(MBR),,,。MBBRMBR,,/MBBR—MBR,,。11.1/MBBR—MBR1。MBBRMBR,。3MBBR2L,3∶1,50%。(D10mm×12mm),(0.97~0.99g/cm3)。MBR0.8L,,,(PVDF),0.02μm,1、1.8mm,0.055m2。MBR(7min,3min)。MBBR(AMBBR),MBBR(MBBR1)、MBBR(MBBR2)、MBR,,。12,MBRMBBR2。1.2,4℃,1~2。EGSB,。,EGSBpH7.9~8.5,7000~10000mg/L,COD6000~12000mg/L,NH4+-N、TN1500~1800、1800~2200mg/L,。1.3/MBBRMBR,。,/MBBR1.6L/d300%NH4+-N800mg/L,NH4+-N80%,TN71%。MBRHRT24h、NH4+-N250mg/L,NH4+-N90%。,/MBBR—MBR,“A~E”5,1。MBBR2MBR200%,400%。MBBR1DO3~4mg/L,MBBR2MBRDO3.5~4.5mg/L。(22~28℃)。11.4NH4+-N;NO2--N/d/(L·d-1)COD/(mg·L-1)NH4+-N/(mg·L-1)pHA1~101.26~5500~1000~7.0B11~211.26~5500~1000~8.5C22~421.0~7500~1500~7.0D43~531.0~10000~1650~7.0E54~691.0~6500~1650~7.02013-01,33(1),:MBBR—MBR21N-(1-)-;NO3--N;COD;;pHOrion3StarpH(Thermo);DOOxi315i(WTW);(MPN)〔10〕。22.1/MBBR—MBRNH4+-NTN2、3。2NH4+-N3TN2,MBBRNH4+-N,。MBBRMBBRMBR,NH4+-N,MBBR2MBR,MBBR1NH4+-N。3,TNMBBR,MBBR1、MBBR2MBR。MBBR,NOx-NN2〔11〕。TN,〔12〕。2.1.1进水pH的影响A、B1.26L/d,NH4+-N1000mg/L,5~6。pH,,ApHH2SO47.0,BpH,pH8.5。2,pHNH4+-N,99%。pH,MBBR1、MBBR2MBRpHA8.5、8.358.5B8.75、8.658.7。,MBBR2NH4+-NA18.5mg/L42.0mg/L。MBBR2NH4+-N,MBR。pH7.0~8.5,pH6.0~7.5〔13〕。BpH8.5,。,pH。2.1.2碳氮比的影响D、E,5.1~6.8、3.2~4.2。2,DNH4+-N,53NH4+-N89.9%,DCOD(10000mg/L),MBBR〔14〕。E(COD6500mg/L),,NH4+-N99%。,NH4+-N。3,ETN81%,MBBRNO2--N0,NO3--N5mg/L,,。,1g3.7~6.6gCOD,1g1.8~2.5gCOD〔15〕。EMBBR2MBR90%、80%(4),TN。2.1.3进水NH4+-N的影响A、C、E3NH4+-N(2),,NH4+-N,2013-01,33(1)22NH4+-N15mg/L。C31~34NH4+-N,MBR,DO1~2mg/L。DO3.5mg/L,NH4+-N99%。4MBBR2MBR4,NH4+-N,MBBR2A73.3%,CE90%;MBRA10%E80%。,pH6.0~7.5、7.0~8.5〔13〕,(FA)0.1~1.0、10~150mg/L〔16〕。pH8.0、FA1mg/L。31~34,MBRDO。0.2~0.4、1.2~1.5mg/L,DO,〔17〕。,MBBR285%,MBBR2。MBRANH4+-N,MBBR2NH4+-N16.5mg/L,MBR(NH4+-N),NO2--NNO3--N,MBR15%。NH4+-N,MBBR2NH4+-N,MBR。,1.0L/d,pH7.0,COD6500mg/L,MBBR、MBRDO3~4.5mg/L,NH4+-N1650mg/L,NH4+-NTN99%81%,NH4+-N15mg/L,/MBBR—MBRNH4+-N。MBBR2MBR,,。2.2COD,/MBBR—MBRCOD5。5COD5,COD,77%~89%。A、B、C、E,CODMBBR。COD4700~7800mg/L,MBBRCOD()1500~2500mg/L,COD800~1600mg/L,CODMBBR1。D,COD10000mg/L,COD,MBBR1COD。MBBR1COD。MBBR2MBRCOD,COD,,COD。2.3,E,MPNMBBR1、MBBR2MBR、,2。2013-01,33(1),:MBBR—MBR232MPN〔10〕,MBBR14.5×10490;MBBR24.5×1064.5×103;MBR1.1×106mL-14.5×104mL-1。MBBR2,MBBR12,MBBR1。,MBBR1,,MBBR1,0。MBBR2MBR90%、80%,MPN2,MBBR21000∶1,MBR24.4∶1,。2,pH,FA。3(1)/MBBR—MBR,NH4+-N。pH7、1.0L/d、400%,NH4+-N1650mg/L,COD6500mg/L,COD、NH4+-N、TN80%、99%、81%,,NH4+-N15mg/L。(2),MBBR2、MBR90%、80%,。pHFA。(3)MPN,MBBR2MBR,MBBR21000∶1,MBR24.4∶1,。[1]NieYongfeng.Developmentandprospectsofmunicipalsolidwaste(MSW)incinerationinChina[J].FrontiersofEnvironmentalSci-ence&EngineeringinChina,2008,2(1):1-7.[2].[J].,2010(2):42-44.[3].[D].:,2007.[4].[J].,2009,17(5):49-50.[5],.[J].,2010,28():106-108.[6]YeJiexu,MuYongjie,ChengXiang,etal.Treatmentoffreshleachatewithhigh-strengthorganicsandcalciumfrommunicipalsolidwasteincinerationplantusingUASBreactor[J].BioresourceTechnology,2011,102(9):5498-5503.[7].[J].,2009(4):86-88.[8]RustenB,EikebrokkB,UlgenesY,etal.DesignandoperationsoftheKaldnesmovingbedbiofilmreactors[J].AquaculturalEngi-neering,2006,34(3):322–331.[9]ChenSheng,SunDezhi,ChungJS.SimultaneousremovalofCODandammoniumfromlandfillleachateusingananaerobic-aerobicmoving-bedbiofilmreactorsystem[J].WasteManagement,2008,28(2):339-346.[10],,.[M].:,2002:39-40.[11],,,.[J].,2010,31(1):129-133.[12]MünchEV,LantP,KellerJ.Simultaneousnitrificationanddenitri-fic

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