1,2,1,1,1,1(1.,101102;2.,233000):,:HSMBR,NH4+-N;HRT50~60h,NH4+-NMLSS0.06~0.09g/(g·d),DO3.0~3.5mg/L,pH7.50~7.80,NH4+-N,95%~98%。:;;:X7:A:1674-4829(2010)05-0022-04,。、、(NH4+-N)(500mg/L,mg/L)[1-2]。NH4+-N,C/N,,,,NH4+-N。(HSMBR),,,,[3-5]。NH4+-N[6]。MBR[7],。HSMBR。11.1,,。1。1.21.2.1HSMBR1。、A、O,U-PVC。A46.8L;O117L。:2010-07-19:(1981-),,,,,.ExperimentalStudyonConditionofDeaminationwithHSMBRNINGGui-xing,CHENXue-feng,WUDi,WANGKai,LIUYu,WEIJing-juanAbstract:Anexperimentalstudywascarriedtooptimizeconditionofdeaminationwithhybrid-submergedmembranebioreactor(HSMBR)inthetreatmentofurbanlandfillleachate.ThecourseresultwithnormaltemperatureshowedthathighlyremovalrateofNH4+-NwasobtainedintreatmenturbanlandfillleachatewithHSMBR,andnitrobacteriawithlongergenerationtimeformeddominationbacteriainshortertime.WhenHRTwas50~60h,steadyloadofMLSSofNH4+-Nwas0.06~0.09g/(g·d),DOwas3.0~3.5mg/LandpHvaluewas7.50~7.80inthenitrationpool,thehybrid-submergedmembranebioreactorhadabetterremovalrateofNH4+-N,andtheremovalrateofNH4+-Nwas95%~98%.Keywords:Urbanlandfillleachate;Hybrid-submergedmembranebioreactor;Nitrificationreaction235201010EnvironmentalScienceandTechnologyVol.23No.5Oct.20101mg·L-1ρ(NH4+-N)400~700ρ(CODCr)800~1400ρ()(CaCO3)3500~4000pH8.20~8.60ρ(C)/ρ(N)1∶1235350030002500200015001000500010095908580757065605550MLSSNH4+-N0510152025t/dNH4+-N/%ρ(MLSS)/(mg·L-1)3NH4+-NUFO1PVDF,1m2,××=300mm×210mm×450mm,0.6mm/1.1mm,0.1μm。1.2.2(1)2L/h,A,,;O,,,(DO)。(2)O,8min,2min;O,。(3),20℃~25℃。1.32。22.1MLSSNH4+-N,MLSS3000mg/L,MLSS2000mg/L。3d,,DO2~4mg/L。20,,ρ(MLSS)=2500mg/L,,、。,(SV30),。2、3,SV3012%~14%,NH4+-N3:①NH4+-N;②,NH4+-N;③,,NH4+-N。,,,,。2500mg/L,NH4+-NMLSS(N)0.05~0.07g/(g·d),NH4+-N80%;,2600~3000mg/L,NH4+-N,NH4+-NMLSS(N)0.06~0.09g/(g·d),95%~98%;,,NH4+-NMLSS(N)0.08~0.09g/(g·d),NH4+-N,90%,,,。2.2pHNH4+-NNH4+-NpH,2[8]。2:1(NH4+-N)(NO2-);2NO2-112345DONH4+-NMLSSpHCODCrGB7479—1987pHGB11914—198922SV3016141210864200510152025t/dSV30/%2320101016001400120010008006004002000CODCrCODCrDO1514131211109876543210135791113151719212325ρ(CODCr)/(mg·L-1)ρ(DO)/(mg·L-1)t/d(NO3-)。[9],3500~4000mg/L,A1000~1500mg/L,500~1000mg/L,。NH4++1.5O2→NO2-+H2O+2H+(1)2NO2-+O2→2NO3-(2)4、5,pH8.30~8.67,pH7.66~8.20,pH7.33~7.79,,pH,NH4+-N。pH7.50~7.77,NH4+-N95%;pH,NH4+-N,,,,pH,NH4+-N。pH7.50~7.80,,NH4+-N,,,。2.3DONH4+-N3:①,,,;②,;③、,DO。。6、7,DOCODNH4+-N。CODCr,,,,,。DO、、3:①DO(3.5~4.5mg/L),CODCr(500~800mg/L),,,(80%~90%);②DO(3.0~3.5mg/L),CODCr(500~1000mg/L)DO,95%~98%,CODCr,,,;③DO(2.5~3.0mg/L),CODCr(1000~1400mg/L),CODCr,NH4+-N(90%~95%),,。3(1)HSMBR,NH4+-N95%,4pH6CODCrDO1357911131517192123251009080706050403020100NH4+-NDO151413121110987654321t/dNH4+-N/%ρ(DO)/(mg·L-1)7NH4+-NDO1098765t/dpH1357911131517192123255NH4+-NpH1009080706050403020100109.59.08.58.07.57.06.56.05.55.0135791113151719212325t/dNH4+-N/%pH24235,C/N。(2)HSMBR:、HRT50~60h,NH4+-NMLSS(N)0.06~0.09g/(g·d),DO3.0~3.5mg/L,pH7.50~7.80,,95%~98%。(3)NH4+-N,NH4+-N,,,,,,。[][1],,,.[J].,2004,24(3):266-269.[2]XUYu-dong,YUEDong-bei,ZHUYi,etal.Fractionationofdissolvedorganicmatterinmaturelandfillleachateanditsrecyclingbyultrafiltrationandevaporationcombinedprocesses[J].Chemosphere,2006(64):903-911.[3]WANGYing,HUANGXia,YUANQi-peng.Nitrogenandcarbonremovalsfromfoodprocessingwastewaterbyananoxic/aerobicmembranebioreactor[J].ProcessBiochemistry,2005,40(5):1733-l739.[4],,,.[J].,2006,29(8):5-8.[5],,.[J].,2008,24(8):14-18.[6],,,.[J].,2008,21(5):35-38.[7],,.[J].,2004,24(5):69-72.[8],,,.UASB+MBR[J].,2003,16(6):215-217.[9],.MBR[J].,2005,24(2):153-157.()《》()1984(:CN42-1710/TQ,:ISSN1672-5425),16,10.00,120.00。:38-356,:BM1811。,,、。《》,、、。:、、、、、。、,、、,。《》,,。《》、《》、《》、《》、《()》、《》、《》。::::3202006809000056019:89:430073():027-87439567E-mail:hbci@public.wh.hb.cn《》!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!《》()1982,,,。、。:、、、、、、、、、。,、、、、、。《》,CN53-1205/x,ISSN1673-9655,25,96,60,。():0871-4142389E-mail:ynhjkx@yies.org.cn:650034:23:《》《》:::5300161563705030916925