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2003,23(6)640~643ChinaEnvironmentalScience1,2,1,1(1.,1000852.,712100),2:1,,.,HRT3.4h,(R)1.7,COD210mg/L,1mg/L,COD50mg/L,0.369kg/(m3·d)0.262kg/(m3·d).X703.1B10006923(2003)06064004Theintegratedbio-reactorwiththecombinationofgranularsludgeandbio-film.WUCheng-qiang1,WANGGuo-dong2,LIHong-yan1,YANGMin1(1.StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China2.CollegeofBiosciences,North-WestAgri-ForestryofSciences,Yangling712100,China).ChinaEnvironmentalScience,2003,23(6)640~643AbstractTheintegratedbioreactorwasdevelopedtoremovetheorganicmatter,ammoniumnitrogenandtotalnitrogeninthesewage,inwhichaerobicbio-filmandanoxicgranularsludgebedwereinsequencedistributedattheupperanddownparts,withvolumeratioof2:1.AttheconditionofHRTof3.4handthereturningratio(R)of1.7,withinfluentCODof210mg/L,effluentammoniumnitrogenwaslessthan1mg/LandeffluentCODabout50mg/L.Theremovalloadsofammonium-nitrogenandinorganicnitrogenwerehighas0.369kg/(m3·d)and0.262kg/(m3·d),respectively.Keywordsintegratedbio-reactorup-flowsludgebedbio-filmnitrogenremoval,[13].,,.,.,,.,,..11.11.1.1,CODCr100~500mg/L(210mg/L);SS120~350mg/L(236mg/L);TP4.1~5.1mg/L(4.6mg/L);TN30~100mg/L(56.3mg/L);NH3N20~90mg/L(51.6mg/L),200~400mg/L,pH7.5~8.5.,.0.3mm,.1.1.2ORP:(ORPMETERRM-10P);DO:(DOMETERDO-24P);pH:(pHMETERHM-14P);COD:(CTL-12);:;TN:;:;:20030319(50238050)*6641;():;SS:.1.21.ϕ9cm,5L.,,;,.2:1.0.5L,..1Fig.1Schematicdiagramoftheprocess1.2.3.4.5.6.7.1.3,,,,,N2CO2,USB,,.1.4,,.,1~3mm;,(HRT)9h,15d.,,10d,.,,HRT9h,,HRT(9h12d,6.2h16d,3.4h26d,2.5h16d).16~28.(35~50mg/L),(TP4~5mg/L),(TN16mg/L),,.22.1(ORP),(DO)[4,5].8dORPDO.2,ORPDO,.,.2Fig.2Anoxicandaerobicenvironmentdistribution2.232COD.COD,HRT9h2.5h,COD50mg/L.HRT2.5h,COD3.65kg/(m3·d).3614257642233Fig.3Organicmatterremovaleffects4,HRT54d2.5h,,.,,HRT3.4h.HRT3.4hR1.7,COD210mg/L,1mg/L,COD80%,60.9%,0.369kg/(m3·d)0.262kg/(m3·d),COD1.42kg/(m3·d).4Fig.4AmmoniumnitrogenremovaleffectCOD2.3,,,,,,,.,.5,,1.2kgCOD/(m3·d),.,,.,,.5Fig.5Effectoforganicloadonnitrification2.4,,.5(6).COD,.6Fig.6RemovalratioofCODandinorganicnitrogen66437,A/O,,HRT3.4h,.,.7Fig.7Nitrogenremovalefficiencyinanoxicarea33.1USB,,,.3.2HRT3.4h,R1.7,COD210mg/L,1mg/L,COD50mg/L,0.369kg/(m3·d)0.262kg/(m3·d),COD1.42kg/(m3·d),60.9%.[1]ChuiPC,TerashimaY,TayJH,etal.Submergedfiltersystems[J].WaterScienceandTechnologey,2001,43(1):225232.[2]RosM,VrtovsekJ.Wastewatertreatmentandnutrientremovalinthecombinedreactor[J].Wat.Sci.Tech.,1998,38(1):8795.[3]RogallaF,BourbigotMM.Newdevelopmentsincompletenitrogenremovalwithbiologicalaeratedfilters[J].Wat.Sci.Tech.,1990,22(7/8):273280.[4]CharpentierJ,FlorentzM,DavidG.Oxidationreductionpotential(ORP)regulation:awaytooptimizepollutionremovalandenergysavingsinthelowactivatedprocess[J].Wat.Sci.Tech.,1987,19(3/4):145155.[5]CharpentierJ,MartinG,WacheuxH,etal.ORPregulationandactivatedsludge:15yearsofexperience[J].Wat.Sci.Tech.,1998,38(3):197208.[6]CollivignarelliC,BertanzaG.Simultaneousnitrification-denitri-ficationinactivatedsludgeplants:performanceandapplicability[J].Wat.Sci.Tech.,1999,40(4/5):187194.[7]KosaricN,BlaszczykR,OrphanL,etal.Thecharacteristicsofgranulesfromupflowanaerobicsludgeblanketreactors[J].WaterRes.,1990,24,14731477.[8]AkunnaJC,BizeauC,MolettaR.Denitrificationinanaerobicdigester:possibilityandinfluenceofwastewaterCOD/N-NOratio[J].Environ.Technol.,1992,13:825836.[9]WartchowD.Nitrificationanddenitrificationincombinedactivatedsystems[J].WaterSci.Technol.,1990,22(7/8):199206.[10]WatanabeY,MasudaS,IshiguroM.Simultaneousnitrificationanddenitrificationinmicro-aerobicbiofilms[J].Water.Sci.Technol.,1992,26,511522.[11]MenoudP,WongCH,RobinsonHA,etal.SimultaneousnitrificationanddenitrificationusingSIPORAXTMpaking[J].Wat.Sci.Tech.,1999,40(4/5):153160.(1972),,,,,.10.1031.,,.,.200311010255075100HRT=6.2hHRT=3.4hHRT=2.5h(%)(%)