ABRMBBR组合工艺处理草浆中段废水的中试研究

ABR/MBBR1,2,1,1,3,2(1.,100084;2.,100083;3.,430070):ABR/MBBR,ABRCOD13392948mg/LHRT2448h,COD50%;ABRMBBR,MBBRHRT612h,COD60%,MBBRCOD350mg/LFe2(SO4)312501750mg/L,COD100mg/L:;;:X703:C:1000-4602(2007)19-0091-03PilotStudyonCombinedProcessofABR/MBBRforTreatmentofStraw2pulpMiddle2stageWastewaterSUNLing2ling1,2,HEShi2jun1,WANGJian2long1,LIKun2hao3,XIEMing2shu2(1.InstituteofNuclearandNewEnergyTechnology,TsinghuaUniversity,Beijing100084,China;2.SchoolofResourceandEnvironmentalSciences,BeijingForestryUniversity,Beijing100083,China;3.SchoolofResourceandEnvironmentalSciences,WuhanUniversityofTechnology,Wuhan430070,China)Abstract:Theeffectofthecombinedprocessofanaerobicbaffledreactor(ABR)andmoving2bedbiofilmreactor(MBBR)ontreatmentofstraw2pulpmiddle2stagewastewaterwasinvestigatedinfieldpi2lot2scaleexperiment.TheresultsshowthatwhentheinfluentCODis1339to2948mg/LandHRTis24to48hintheABR,theCODremovalrateis50%.TheeffluentfromtheABRenterstheMBBR.WhentheHRTis6to12hintheMBBR,CODremovalrateis60%,andtheeffluentCODconcentrationismaintainedat350mg/L.Inaddition,whendosageofFe2(SO4)3is1250to1750mg/L,thecoagula2tionandsedimentationtreatmentresultsintheeffluentCODbelow100mg/L.Keywords:straw2pulpmiddle2stagewastewater;anaerobicbaffledreactor;moving2bedbio2filmreactor,,,,ABR/MBBR,,1111ABR,MBBR,MBBR1ABR,4,=1600mm800mm2200mm,192319200710CHINAWATER&WASTEWATERVol.23No.19Oct.20072.16m31,31,45,,ABR,MBBR,1m,2.6m,,(350L)(250L)MBBR40%,,,32,ABR/MBBR,20241Fig.1Flowchartofpilot2scaleexperiment112,11Tab.1QualityofinfluentpHCOD/(mgL-1)SS/(mgL-1)TDS/(mgL-1)Cl-/(mgL-1)/6.97.9133929488603180120016007207503338,CODNP=20051NP,pH,Na2CO3113,800L,ABR500900mm,ABR12114COD,DO,SS,pH,2211ABRCODABR[12],80d,(120d),ABR,,7,48h,COD2000mg/L,1.0kgCOD/(m3d)ABRCOD1100mg/L,COD40%(2160d),COD,36h,1.33kgCOD/(m3d),ABRCOD55%30%,COD1400mg/L,,,COD1000mg/L(6180d),24h,2.34kgCOD/(m3d),ABRCOD900mg/L212MBBRCODMBBR,12h,3,MBBRCOD300400mg/L,COD60%21,MBBR9h,3.75kgCOD/(m3d),,80L,MBBR12,2d,,,,COD6180d,MBBR6h,,MBBRCOD350mg/L213COD100mg/L40292319(SO4)3,MBBR,COD360mg/L,pH7.08.0,COD22Fig.2CoagulationeffectofFe2(SO4)32,Fe2(SO4)312501750mg/L,CODCOD100mg/L40214ABR3COD,ABRCOD3ABRCODCODFig.3VariationofeffluentCODfromeachchamberofABRwithinfluentCOD,ABR12COD,5COD2124mg/L,ABR12,COD11651047mg/L,12CODCOD83.3%10.1%;6.6%,,ABRUASB3,COD,ABRCOD12COD,COD14COD2460mg/L,12COD1568mg/L1392mg/L,COD66.8%13.2%;34COD1188mg/L1125mg/L,COD20%,ABR,,(HRT=48h),,,ABR/MBBRCODCOD,3ABR/MBBR,COD13392948mg/LHRT48h24h,ABRCOD900mg/LABRMBBR,HRT12h6h,MBBRCOD350mg/LABRABR/MBBRCODCOD,Fe2(SO4)312501750mg/L,COD100mg/L,40:[1],,.[J].,2006,46(6):865-866.[2]BarberWP,StuckeyDC.Theuseoftheanaerobicbaf2fledreactor(ABR)forwastewatertreatment:areview[J].WaterRes,1999,33(7):1559-1578.:[phone]E-mail:[e-mail]:2007-05-1739:ABR/MBBR2319