MBBR1,2,1,2,3,3(1.,116024;2.,130024;3.,116022):(MBBR),,MBBR,60%(),6h4.05.0kgCOD/(m3d),,COD60mg/L,90%:;;:X703.1:C:1000-4602(2005)01-0049-04MovingBedBiofilmReactorforTreatmentofMixedDomesticandIndustrialWastewaterYUHong2bin1,2,QUANXie1,DINGYun2zheng2,ZHAOXiao2bo3,CHENXiao2hui3(1.SchoolofEnvironmentalandLifeScience,DalianUniversityofTechnology,Dalian116024,China;2.Dept.ofEnvironmentalScienceandEngineering,NortheastNormalUniversity,Changchun130024,China;3.DalianYuduCorporationofEnvironmentalEngineeringandTechnology,Dalian116022,China)Abstract:Movingbedbiofilmreactor(MBBR)wasusedfortreatmentofmixeddomesticandindustrialwastewater,inordertostudytheremovalefficiencyoforganicmattersandinvestigatetheinfluenceofvolumetricloading,carriervolumetricratio,andhydraulicretentiontime(HRT)onthetreatmenteffect.Itisobservedthatundertheconditionsthatcarriervolumetricratiois60%,HRTinsinglereactoris6h,andvolumetricloadingis4.0-5.0kgCOD/(m3d),MBBRoperatessteadilywithgoodeffect,andtheeffluentCODis60mg/Linaverage,withremovalratemorethan90%.Keywords:movingbedbiofilmreactor;mixedwastewater;polyethylenecarrier11111(MBBR),8cm8cm15cm,,,(0.5cm),(MBBR1)(MBBR2),,19421120051CHINAWATER&WASTEWATERVol.21No.1Jan.2005©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(gcm-3)/(m2m-3):10,:10,:0.4940.98980112,22Tab.2RawwaterqualityCOD/(mgL-1)BOD5/(mgL-1)NH+4-N/(mgL-1)pH/511.31227.9239.7472.88.712.86.57.510.123.2113COD:;BOD5:;NH+4-N:;:;:105;:JPSJ-6052CODBOD5NH+4-N(100mL)0.5h,211CODMBBR60%(),COD(MBBR1),MBBR1COD:2kgCOD/(m3d)COD70mg/L;25kgCOD/(m3d)COD150mg/L,MBBR2COD60mg/L;MBBR1COD,MBBR15kgCOD/(m3d)MBBR1,4kgCOD/(m3d),,;MBBR1,MBBR2(2),COD100mg/L2Fig.2RemovalrateforCODversusvolumetricCODloading,MBBR,MBBR13.3kgCOD/(m3d)14.8kgCOD/(m3d)4h,MBBR1MBBR2COD576.7mg/L137.7mg/L,3.6kgCOD/(m3d),6h,MBBR1MBBR2COD149.4mg/L116.7mg/L,24h,MB2BR2COD100mg/L,,,,BOD5NH+4-N,MBBR15.0kgCOD/(m3d),BOD511.2mg/L,05121©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(m3d)MBBR6h,,,MBBR112mm,MBBR20.51mmMBBR1MBBR23681mg/L1662mg/L,314mg/L324mg/L,3995mg/L1986mg/L,MBBR11.0kgCOD/(kgd),MBBR,MBBR1,MBBR2G.Andreottola[1],,,,,,213HRTCOD60%,HRT,343CODFig.3Influenceoforganicvolumetricloadingonremovalefficiency4HRTCODFig.4InfluenceofHRTonCODremovalefficiency3,CODMBBR1COD,MBBR2,MBBR14kgCOD/(m3d),MB2BR1COD,MBBR2COD,COD90%,,,,,H.Édegaard[2],COD34,8hMBBR190%;4h,MB2BR1COD,58.5%,MBBR2COD77.4%,90%COD9501100mg/L8h,,5,COD,,,,5,COD,151,:MBBR21©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(60%50%),,COD;,,COD()5Fig.5InfluenceoftheproportionofbiofilmcarrieronCODremovalefficiency3MBBR6h(12h)4.05.0kgCOD/(m3d),COD60mg/L,90%,BOD5NH+4-N,,MBBR14.8kgCOD/(m3d)24h,COD100mg/L:,!:[1]AndreottolaG,FoladoriP,RegazziM,etal.Experimen2talcomparisonbetweenMBBRandactivatedsludgesys2temforthetreatmentofmunicipalwastewater[J].WaterScienceandTechnology,2000,41(4-5):375-382.[2]ÉdegaardH,GisvoldB,StricklandJ.Theinfluenceofcar2riersizeandshapeinthemovingbedbiofilmprocess[J].WaterScienceandTechnology,2000,41(4-5):383-391.E-mail:yuhb184@nenu.edu.cn:2004-07-03()20041272004,,,15,:::,,,,,20041576362/(1000106),0.348(168),0.056(131),0.38(15),0.02(0.0213,9,559),3.34/,1417,8.81:995,0.575,0.045,0.88,181,18.2,3.59,420,1482,3.53,3.19,26,194,0.03,0.361576107222,2003,()25121©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.