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,,,,:023-68845484A12A22O,,,(,200092):A1-A2-O,,HRT28.1h,pH7.78.0,150200mgöL,,COD0.22kgöm3d,0.05kgöm3d,COD87%98%,COD150mgöL,15mgöL:,,:X703:A:1001-2141(2001)06-0016-04StudyonInfluenceFactorstoTreatmentofCokePlantWastewateratAerobicStageinA1-A2-OBiofilmSystemQiuYanling,ZhaoJianfu,LiYongmei,GuGuowei(StateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092)Abstract:AnAnaerobic2Anoxic2Aerobicbiofilmsystemwasusedtotreatcokeplantwastewater.Influencefactorstocarbonizationandnitrificationataerobicstagewerestudied.Resultsindicatedthattheoptimumconditionsfororganicandnitrogenremovalwere:(1)Hydraulicretentiontime(HRT)inaerobicreactorwas28.1h.(2)ThepHvalueinaero2bicreactorrangedfrom7.7to8.0.Theremainingalkalinityineffluentwas150200mgöL.(3)Alkaliwasaddedfromthemiddlepartoftheaerobictank.(4)TheCODandammonianitrogenloadingratewerelessthan0.22kgöm3dand0.05kgöm3d,respectively.Giventheaboveconditions,upto87%ofCODandmorethan98%ofammonianitrogencouldberemoved.TheaverageconcentrationineffluentforCODandammonianitrogenwerelessthan150mgöLand15mgöL,respectively.Keywords:Cokeplantwastewater,Carbonization,Nitrification.:20010402:(1970-),,,,,,,,,COD[1],,[2-4],,--,:,,,,,,NO2--NNO3--N,NOx--N,,NO2--NNO3-N,NOx--N,,,,COD,,,,,236200112©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网(A12A22O),,20011018ISO9001.2000(),:5733-3:023-6790354111.1112131415161711A12A22O1A12A22O,10cm115cm,5L;11.5cm100cm,7L,29cm18.6cm24cm,13L,,,,1.2,KH2PO4,NaHCO3,:DO=0mgöL,DO=0.51mgöL,DO=5.87.2mgöL,1028,1525,33h,42h,54h64h,,HRT6.6h,8.4h,10.8h12.8h,HRT9.2h,11.8h,15.1h17.9h,HRT17.2h,21.8h,28.1h33.3h,HRTNaHCO3,pH,,,CODCOD22.1HRT1,HRT17.2h33.3h,COD,17.2h38%28.1h92%,,HRT,,HRT,1HRTCODHRT17.2h21.8h28.1h33.3hCOD(mgöL)949800773754(mgöL)259196175172(%)73767777(mgöL)334246248279(mgöL)2064718.622.5(%)388192922.2pH2.2.1pH,pH,pH8.08.4[5],,,pH,pH6.57.0[6]2,HRT=33.3h,pH,,,pH7.7,15mgöL,,NO2-N,pH=8.42,NO2-N=44.78mgöL,NO2-N,,,pH,,8.02.2.2NO-2-N,NO-3-N,,,1gNO-3-N7.14g(CaCO3),pH,,,,,NaH2CO3716:A12A22O©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网öL,15mgöL,pH,,NO-2-N,,,,,150200mgöL2.32,,,COD,,,,,,pH,,,COD;,COD,,NaHCO3,,,,:::023-67633685:400020:1302.4COD2.4.1COD45,COD,,COD,0.578kgöm3d,COD,60%,COD166mgöL,CODCOD0.706kgöm3d,11.9%,308mgöL,15mgöL,,,COD,;,,,[7],COD,,,,,5,COD0.22kgöm3d,15mgöL4,COD150mgöL2HRTCOD(mgöL)COD(mgöL)COD(%)(mgöL)(mgöL)(%)17.2h9492597333420638848212752861295528.1h7731757723018.6929491768138422.69433.3h7541727727922.592814112862844.15994CODCOD5COD2.4.2,NH38123©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网öL0.11.0mgöL[8]6,,(15mgöL),0.05kgöm3d6COD7,,,,,COD,0.05kgöm3d,COD150mgöL33.1HRTCOD,,HRT28.1h,3.2,,pH7.78.0,150200mgöL7COD3.3,,,,3.4COD,,CODCOD,COD0.22kgöm3d0.05kgöm3d3.5,COD87%,98%,COD150mgöL,15mgöL,,:63;:023-67837168;:02367838042;:401120;:411()1,1992,10(4,5):5456,566321A12A2öOA2öO1,1995,21(8):1635311,1991,9(1):313341-11989,5(2):410511,19896B.K.Leeetal.,AutomaticControlforDOandpHintheActivatedSludgeProcessinaCokeWastewaterTreatmentPlant,Wat.Sci.Tech.,1998,37(12):1411487AniruddhaBhattacharyyaetal.,OperationalControlofCokePlantWastewaterNitrificationSystem,IronandSteelEngineer,1998,30338RichardO.Mines,Jr.etal.,BiologicalTreatmentofaHighStrengthNitrogenousWastewater,J.Environ.Sci.Health,1997,A32(5):13531375(7)4.3,,51,.[M].:,1999,80902PaulT.Anastas,TracyC.Williamson,etc.Promotinggreenchemi2caltechnologyinitiatives[J].EnvironmentalScience&Technolo2gy,1999,1,1161193,,.[J].,1998,10(2):1721784,.[J].,1998,10(2):1851935.,[J].,1995,15(4):2322356.[J].,1998,18(1):46916:A12A22O©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网