Vol.352009971,2223(1,314050;2,100084;3,314050)(HSBCR)HSBCR,:HRT1.5h,CODCr81%51%47%50%;HRT2.0h84%64%54%57%HSBCRCODCr,,,Researchonanintegratedequipmentforremovingorganicpollutants,nitrogenandphosphorusChenLujun1,2,ZhangYukui2,ShiHanchang2,LiYing3(11InstituteofEcologyandEnvironment,YangtzeDeltaRegionInstituteofTsinghuaUniversity,Jiaxing314050,China;21EnvironmentalSimulationandPollutionControlNationalJointKeyLaboratory,TsinghuaUniversity,Beijing100084,China;31ZhejiangShuangyiEnvironmentTech.Co.Ltd.,Jiaxing314050,China)Abstract:Anintegratedreactor,whichhadanaerobiczonecombinedwithananoxiczoneinanimprovedinternal2loopbio2fluidizedbed,wasdevelopedandstudiedthepollutantremovalperformancewhentotreatdomesticsewage.About81%ofCODCr,51%ofammonia,47%oftotalnitrogenand50%oftotalphosphoruswereremovedathydraulicretentiontime(HRT)of1.5h,whiletheremovalratesincreasedto84%64%54%and57%atHRTof2.0h,respectively.Theaboveresultssuggesttheapplicationpotentialofthereactortotownandcountryforwastewatertreatment,whererequirestosimultaneouslyremoveorganiccarbon,nitrogenandphosphorusinsomesimpleandcheapprocess.Keywords:Bio2fluidizedbed;Nitrogenandphosphorusremoval;Wastewatertreatmentequipment0,,(863)(2002AA601200);(2005C230662006)[1,2],,,(4m),,;98Vol.352009,,,35[3,4],,[5,6],,,,(HSBCR)[7]HSBCR:;,;,;-,HSBCR,,11.11HSBCR,666,,,,,1HSBCR150mm,5mm,300mm,10mm,2000mm,1650mm,120L,/312.5mm,10%;,(HRT)12h;41,DO24mg/L,DO0.5mg/L200d1.2:CODCr150750mg/L,1672mg/L,3664mg/L,28mg/L1.3CODCr,CODCr,,,[8]22.1HRT,1d,HRT60d1.0h,61d120d1.5h,2.0h,121d200d2.0hHRT0.3h0.5h0.7hHRTCODCr2HRT1.0h,CODCr(455144)mg/L(9020)mg/L;78%,6%,0.08,HRT1.5h,CODCr(412137)mg/L(7013)mg/L;81%,7%,0.09HRT2.0h,CODCr(37887)mg/L(5812)mg/L;84%,4%,0.05Vol.352009992CODCrHRT1.0hCODCr78%,HRT2.0h84%,HRTHRT,CODCr,CODCr,,HRT,,,HRT34hHSBCRHRT1.02.0hCODCr,,HSBCR,2.23HRT1.0h,(379)mg/L(227)mg/L;41%,3NH3N9%,0.22HRT1.5h,(4510)mg/L(227)mg/L;51%,11%,0.21HRT2.0h,CODCr(427)mg/L(155)mg/L;64%,11%,0.17HRT1.0h1.5h2.0h,41%51%64%;,HRT2.34HRT1.0h,,HRT1.5h,(515)mg/L(274)mg/L;47%,7%,0.15HRT2.0h,CODCr(497)mg/L(223)mg/L;54%,7%,0.134TN,HRTHRT1.5h2.0h,47%54%;87%,,,HRT;,HRT,2.45HRT1.0h,100Vol.352009,HRT1.5h,(4.91.3)mg/L(2.40.6)mg/L;50%,9%,0.18HRT2.0h,(4.40.5)mg/L(1.90.5)mg/L;57%,12%,0.205TP,HRT1.5h2.0h,,HSBCR,TP50%HSBCR,,,3,:(1)HRT1.0hCODCr78%,HRT2.0h84%HRT(2)HRT1.0h1.5h2.0h,41%51%64%HRT(3)HRT1.5h2.0h,47%54%HRT,HRT,(4)TP50%HRT1.5h2.0h,,,HRT,:,,,,,,CODCr,,1,..,1996,17(6):9122,..,1998,24(10):28313RussellAB,ThomasCR,LillyMD.Theinfluenceofvesselheightandtopsectionsizeonthehydrodynamiccharacteristicsofairliftfermentors.BiotechnologyandBioengineering,1994,43:69764,..(),2003,29(2):1881945,,,..,2006,7(11):8126,,2006,24(6):4094117,,..,2007,25(2),10128,.4.:,2006&:3140505E2mail:caiq@tsinghua.edu.cn:2007-12-15