硅胶膜曝气生物反应器同步短程硝化反硝化研究李瑄伟

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李瑄伟,金若菲,周集体,王东洲(,116024)[],,。:32℃,pH7.5~8.0,0.5mg/L,HRT12h,COD300mg/L,NH4+-N60mg/L,SMABR,NO2--N7.3mg/L,NO3--N,NH4+-N、TN、COD82.9%、71.0%、90.0%。:SMABR。[](MABR);;[]X703.1[]A[]1005-829X(2015)01-0032-05ResearchonsimultaneousshortcutnitrificationanddenitrificationwithsilicagelmembraneaeratedbioreactorsLiXuanwei,JinRuofei,ZhouJiti,WangDongzhou(KeyLaboratoryofIndustrialEcologyandEnvironmentalEngineering,MOE,DalianUniversityofScience&Technology,Dalian116024,China)Abstract:Usingthenon-porousandhydrophobicsilicarubbertubeasmembraneaerationcomponent,throughlong-termoperationtests,thefeasibilityofsimultaneousshortcutnitrificationanddenitrificationrealizedinsilicagelmembrane-aeratedbiofilmreactor(SMABR)hasbeenstudied.Theresultsshowthatwhenthetemperatureis32℃,pH7.5-8.0,DO0.5mg/L,HRT12h,influentCOD300mg/LandNH4+-N60mg/L,SMABRhasthebestremovingeffect.Undertheseconditions,themassconcentrationofeffluentNO2--Ncouldreach7.3mg/L,andNO3--Nhasnotbeendetected.TheremovingratesofNH4+-N,TNandCODare82.9%,71.0%and90.0%respectively.TheresultsshowthatSMABRcouldachievesimultaneousshortcutnitrificationanddenitrificationsteadilybychangingthere-actionconditions.Keywords:membraneaeratedbioreactor(MABR);shortcutnitrificationanddenitrification;nitrogenremoval,〔1〕。(MABR),,,,〔2〕。A.Terada〔3〕,,:,,MABR。,,MABR。,MABR〔4-5〕。(Silex),,(SMABR),。11.1SMABR,,35120151IndustrialWaterTreatmentVol.35No.1Jan.,2015322.3L,(32±1)℃,32℃。(Silex),30%70%,3mm,2mm,15m,48m2/m3,,、。11,,2m。,(99.9%),SMABR,。1。1SMABR1.21.2.1氧气供给速率(OSR)的测定,DO0,,,DO。1.2.2SMABR的启动SMABR,。(4000mg/L),,,24h,,,3d,。NH4+-N(50±5)mg/L,COD(250±10)mg/L,DO0.5mg/L,32℃,pH7.5~8.0,,NO2--N3mg/L8mg/L,NO3--N,,。,,,。,1。AOB,NaHCO3pH7.5~8.0〔6〕。11.2.3DO对短程硝化、反硝化及去除COD的影响,DO。DO0、0.5、1、1.5mg/L,40d。COD300mg/L,NH4+-N60mg/L,HRT12h。1.2.4不同碳氮比对反应器处理效果的影响,COD,NH4+-N。:COD(300±10)mg/L,3、4、5、7、10,NH4+-N100、75、60、42、30mg/L。50d。1.2.5不同的水力停留时间对反应器处理效果的影响,(HRT)8、12、16h。,COD(300±10)mg/L,NH4+-N(60±5)mg/L。30d。1.3COD;NH4+-N;TN-;NO2--NN-(1-)-;NO3--N;SSVSS〔7〕。pHDOpHDO。22.1OSROSR,。OSR,DO,;OSR,DO,/(mg·L-1)/(mg·L-1)MgSO4·7H2O0.38MnCl2·4H2O0.14CaCl2()0.0715ZnSO4·7H2O0.114FeCl3·6H2O1.5(NH4)6Mo7O24·4H2O0.049H3BO30.15CoCl2·6H2O0.149CuSO4·5H2O0.03EDTA(C10H16N2O8)10KI0.182015-01,35(1),:33〔8〕。OSR2。2OSR2,45kPa,OSR3.60g/d,SMABR。,CODgNH4+-NCO2NO2--N(CODNH4+-NCO2NO2--N1.07g、2.7g),100%,3.3g/d,SMABROSR,,OSR,。2.2SMABR,SMABR,3。3NH4+-N、NO2--NNO3--N3,NO3--NNO2--N,3.6mg/L,1mg/L。(32℃)、(0.1~0.5mg/L),NOB,AOB,,,,NO2--N〔9〕;,NO2--N。ZhengGong〔10〕。2.3DODO,MABR,COD,4。4COD、NH4+-N、TN、NO2--NNO3--N4(a)4(b),DO0.2mg/L1.0mg/L,CODNH4+-N85.5%68.2%92.7%90.8%,DO。〔11〕,DOMABR,、COD,,DO1mg/L,DO,。4(c),TNDO。DO0.5mg/L,TN71%,NO2--N7.28mg/L,NO3--N;DO,TN,,DO,。TN、。DO(<0.5mg/L),NO2--N,SMABRNH4+-NAOB,2015-01,35(1)34DO,DONH4+-NTN;DO(0.5~1.5mg/L),AOB,〔12〕,,TN。AOBNOB〔13〕,DO1mg/L,AOB,NOB,;DO1mg/L,AOB,DO1.5mg/L,NO3--N。2.42。22,NH4+-NCOD。5,。TN。NO2--N。,NO3--N,,,NO2--N。,SMABR5,。U.Abeling〔14〕,7.0mg/LAOB,3,NH4+-N,NH4+-N,NH4+-N。TN。,,NO2--N,NO2--N,TN;,,NO2--N,TN,NO2--N。2.5HRTCOD、NH4+-NTNHRT5。5COD、NH4+-NTNHRT5,HRT16h8h,NH4+-N0.079kg/(m3·d)0.13kg/(m3·d);COD0.458kg/(m3·d)0.882kg/(m3·d);TN0.07kg/(m3·d)0.102kg/(m3·d)。HRT,。HRT,NO2--N,6。6NO2--N、NO3--NTNHRT6,HRT8h,NO2--N9mg/L,TN56.7%;HRT16h,NO2--N6mg/L,TN75.8%。NO2--N,TN。〔15〕,,HRT,NO2--N。3SMABR,COD/%NH4+-N/%TN/%NO2--N/(mg·L-1)NO3--N/(mg·L-1)385.0364.3145.2017.700.00489.5775.5363.069.400.00593.0082.9073.317.220.00793.1583.2269.186.800.001093.5185.6769.824.800.002015-01,35(1),:35DO、HRT,:(1),,。(2)NH4+-N50mg/L,COD250mg/L,DO0.5mg/L,32℃,pH7.5~8.0,:SMABRNH4+-NAOB,。(3),COD300mg/L,NH4+-N60mg/L,DO0.5mg/L,HRT12h,,COD、NH4+-NTN90.0%、82.9%71.0%,NO2--N7.3mg/L,NO3--N。SMABR。[1]LiXiufen,LiYanjun,LiuHe,etal.Characteristicsofaerobicbiogr-anulesfrommembranebioreactorsystem[J].JournalofMembraneScience,2007,287(2):294-299.[2],,,.[J].,2009,30(2):416-420.[3]TeradaA,HibiyaK,NagaiJ,etal.Nitrogenremovalcharacteristicsandbiofilmanalysisofamembrane-aeratedbiofilmreactorapplicabletohigh-strengthnitrogenouswastewatertreatment[J].JournalofBioscienceandBioengineering,2003,95(2):170-178.[4]LacknerS,TeradaA,HornH,etal.Nitritationperformanceinmem-brane-aeratedbiofilmreactorsdiffersfromconventionalbiofilmsys-tems[J].WaterResearch,2010,44(20):6073-6084.[5]Pellicer-nacherC,SunShengpeng,LacknerS,etal.Sequentialaera-tionofmembrane-aeratedbiofilmreactorsforhigh-rateautotrophicnitrogenremoval:experimentaldemonstration[J].Environ.Sci.Tech-nol.,2010,44(19):7628-7634.[6],.[M].:,2004:25-26.[7].[M].4.:,2002:1-10.[8]TeradaA,HibiyaK,NagaiJ,etal.Nitrogenremovalcharacteristicsandbiofilmanalysisofamembrane-aeratedbiofilmreactorapplica-bletohighstrengthnitrogenouswastewatertreatment[J].JournalofBioscienceandBioengineering,2003,95(2):170-178.[9]LaanbroekHJ,GerardsS.Competitionforlimitingamountsofoxygenbetweennitrosomonaseuropaeaandnitrobacterwinogradskyigrowninmixedcontinuouscultures[J].ArchivesofMicrobiology,1993,159(5):453-459.[10]GongZheng,YangFenglin,LiuST,etal.Feasibilityofamembrane-aeratedbiofilmreactortoachievesingle-stageautotrophicnitrogenremovalbasedonAnammox[J].Chemosphere,2007,69(5):776-784.[11],,,.[J].,2007,33(1)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