分体式间歇运行膜生物反应器处理生活污水的试验研究赵玉华

　　:2006-03-09:(962126);“”(1022051-3-01):(1959-),,,.:1671-2021(2006)04-0609-04赵玉华,琚　冉,傅金祥,由　昆,周伟伟,李敬宝(,110168)　:通过降低膜负荷缓解膜污染,提高膜生物反应器的处理有机物、脱氮效果.采用分体式间歇运行膜生物反应器,生物反应器间歇运行的方式处理污水,处理后的出水进行膜分离处理,并测量原水、生物反应器出水、膜分离出水的COD、NH3-N、NO-2-N、NO-3-N、TN、TMP,考察分体式间歇运行膜生物反应器处理有机物、脱氮效果及膜污染速率.试验表明,系统处理COD平均去除率达到87.9%,NH3-N的平均去除率为93.8%,对TN的平均去除率为82.5%,并且与一体式膜生物反应器相比膜污染速率大大降低.分体式间歇运行膜生物反应器具有良好的有机物和含氮污染物的去除能力,生物反应器中硝化反应、反硝化反应进行彻底,膜污染速率降低.:;;;:TU992.3　　　:A　　　　　(MBR).、、、[1-2],[3],,[4-5][5-7].,,,.,、NH3-N、NO-2-N、NO-3-N、TN.,.1　1.1　,,280mm,2m,0.108m3.(PVDF)(),0.2μm,0.5mm,0.8mm,1m2..1.,0.2m3·h-1,18～23℃,7L/h.1.2　,1.　　pH6.0～7.0,,COD260～620mg/L,1.259～7.516mg/L.1.3　,4h,1h、2h※45min※1h※15min.200607224　()JournalofShenyangJianzhuUniversity(NaturalScience)　July　2006Vol.22,No.4.COD()、NH3-N()、NO-2-N()、NO-3-N()、TN()、ρ(TMP)(),,,.1　1　mg·L-1ρρρρρρ30022.57.30.40.22　2.1　CODCOD2.,.COD102～610.4mg/L.COD18.9～183mg/L,38mg/L.,COD14.2～53.4mg/L,24.7mg/L,.2　COD2.2　NH3-N3.3　NH3-N　　NH3-N70%～99.6%,87.9%,63.9%～99.5%,90.7%.,,,NH3-N[8],,:①,;②:2h,NH3-N.2.3　TN4.4　TN　　4,,TN,、、N,、TN5.TN73.6%,TN21.1%,82.5%,NH3-N,,,610　　()225.72mg/L,.5　TN2.4　、,,,NH3-N,,,,,.,,,,[9].NO-2-N6.,NO-2-N,NO-2-N0.007～0.14mg/L,0.036mg/L,NO-2-N0.076mg/L,NO-2-N0.093mg/L.DO()1.0～3.2mg/L,.6　NO2-N　　7,NO-2-N,NO-3-N0.083～0.287mg/L,NO-3-N0.056～0.804mg/L,NO-3-N0.004～0.748mg/L.pH.pH,5.6～6.5,,,.NO-3-N0.315mg/L,NO-2-N0.076mg/L,.DO1.0～3.2mg/L,60%DO2mg/L,,73.6%,.7　NO3-N2.5　8.6L/h,18～23℃,pH6.0～7.0,COD260～620mg/L,NH3-N1.259～7.516mg/L,1m2,0.3m3/h.pH、COD、NH3-N、,7L/h.　　TMP,.TMP6dTMP,.TMP,,,.27d22:611　　3h,TMP37.24kPa23.61kPa..8　3　　(1),COD87.9%,NH3-N93.8%,TN82.5%.(2),.(3),TMP,.:[1]　JeffersonB,LaineAL,JuddSJ,etal.MembraneBioreactorsandTheirRoleinWastewaterReuse[J].WaterScience&Technology,2000,41(1):197-204.[2]　TatsukiUeda,KenhHata,YasutoKiduoka,etal.EffectsofAerationonSuctionPressureinaSubmergedMem-braneBio-reactor[J].Wat.Sci.Tech.,1997,31(3):489-494.[3]　,,,.IMBR[J].:,2003,19(1):50-52.[4]　,.[J].,2002,28(3):105-108.[5]　,.[M].:,2004.131-151.[6]　LeeJ,AhnWY,LeeCH.ComparisonoftheFiltra-tionCharacteristicsbetweenAttachedandSuspendedGrowthMicroorganismsinSubmergedMembraneBio-reactor[J].WatRes,2001,35(10):2433-2445.[7]　KorosWJ,MaYH,ShimizuT.TerminologyforMembranesandMembraneProcesses-IUPACRec-ommendations1996[J].Memb.Sci.,1996,(120):149-159.[8]　MollerEB.AerobicDomesticWasteWaterTreatmentinaPilotPlantwithCompleteSludgeRetentionbyCross-flowFiltration[J].WatRes,1995,29(4):1179-1189.[9]　,,,.()[M].:,1999.308-310.StudyonSeparationSequenceMembraneBioreactorforDomesticWastewaterTreatmentZHAOYu-hua,JURan,FUJin-xiang,YOUKun,ZHOUWei-wei,LIJing-bao(SchoolofMunicipalandEnvironmentEngineering,ShenyangJianzhuUniversity,Shenyang,China,110168)Abstract:OperationalconditionsandperformancesofseparationsequenceMembraneBioreactor(MBR)werestudied.TheresultabouttreatingdomesticwastewatershowedthattheaverageCODcrremovalratereached87.9%,theaverageNH3-Nremovalrate93.8%,theaverageTNremovalrate82.5%,andallitemscouldmeetthequalitystandardsforreusedwastewater,andcontractwithIMBRtherateofmembranefoulingwasreduced.KeyWords:separationsequencemembranebioreactor;wastewatertreatment;membranefoulingrate;nitrifi-cationprocess612　　()22