SBR法处理城市污水过程中氮的去除及转化规律

1120021()JOURNALOFGUANGZHOUUNIVERSITY(NaturalScienceEdition)Vo1.lNo11Jan.2002:1671-4229(2002)01-0056-04SBR(,510405):SBR.,,,,.,,,,,,.:SBR;;;;:X703:ASBR,.,SBR.,SBR.SBR,..1SBR,47.4L,42.8L,,.1.1.2.3.4.5.SBR6.7.8.9.1.waterbox2.pump3.compressedaircontainer4.computer5.SBR6.electricvalve7.flowmeterofair8.flowmeterofliquid9.electricvibrator1SBRFig.1FlowdiagramandreactorforSBR1,2.1Table1Operationprocessofexperiment(h)()()1.02.03.01.00.52Table2Operationparametersofexperiment(L)(L/)kgBOD5/(kgMLSSd)(h/)MLSS(mg/L)42.831.70.140.264.55.51720201022.1:(1):,;(2):;(3):,.SBR:2001-09-05:2000([2000]285);1998(9818).:(1954-),,;:.©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网(10mg/L).2Fig.2Efficiencyofammoniumremoval2.237,33.:1.;2;3.1h;4.1h;5.2h;6.2.5h.3Fig.3Dynamicsofnitrateinacycle3Table3Experimentaldatesofnitratemg/LTNNH4NNO2NNO3NNO3N19.115.018.68.00.710.134.810.0718.914.218.76.40.950.075.450.0922.015.322.27.50.0830.113.750.0918.712.218.22.350.070.319.840.0420.913.820.24.70.050.363.980.0621.314.919.75.990.060.125.160.0921.714.620.66.260.0720.905.920.042.2.1(),,.4,10min,,(),(10min30min)3.50min,0.007mg/L.,N2.4Fig.4Profilesofnitrateunderanaerationontime2.2.2,,,.,,.()1/3.2.2.3()NH4N,,2,,4mg/L9mg/L.33.1445,35,3542,,.,[2].15,751:SBR©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网(BOD5)2.86g.C/N46,(CBOD5).C/N3.54.0.,.5(1),56%87%,4.0mg/L9.0mg/L,(10mg/L).(2),50min,0.007mg/L.,.(3),,.(4),15,,10,.(5),15.:[1],.()[M].:,1998.85()1©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网(Seriesoftechnologyonwaterandwastewatertreatmentbytacklingninth-fivestatekeyscienceandtechnology)[M].Beijing:Chinaarchitecture&buildingpress,1998.[2],,,.()[C].2000,3:174179.YANGWei,CHENQing-xing,LIDao-tang,etal.ProcessdesignandoperationforthirdwastewatertreatmentplantofKunming(Col2lectionofseminarthesisonnationalwastewaternutrientremovaltechnology)[C].2000,3:174179.[3].[J].,1995,13(3):36.LIYa-xin,Municipalwastewaternitrification/denitrificationandcalculationonbiologicalnitrogen[J].EnvironmentEngineering,1995,13(3):36.[4]Goronszy,M.C,.(CAST)[J].,1996,12(6):49.Goronszy,M.C.,ZHUMing-quan.Applyanddevelopmentoncycleactivatedsludgetechnology[J].Chinawaterwastewater,1996,12(6):49.[5],,.ICEAS,[C].(),2000.3:811.LIDao-tang,CHENGuo-chanTANGJin.CharacteristicresearchonbiologicalphosphorusremovalbyICEAS,technologystudyandpracticeonwastewaternutrientremoval[C].(Collectionofseminarthesisonnationalwastewaternutrientremovaltechnology),2000,3:811.[6].[J].,2000,(4):366370.LONGTeng-rui.Studyonnutrientremovalfromcontinuousintermittentaerationprocess[J].Chinaenvironmentscience,2000,(4):366370.NitrogenRemovalandTransformationduringtheTreatmentofMunicipalWastewaterinGuangzhouAreabySequencingBatchReactorZHANGKe-fang(SchoolofCivilEngineering,GuangzhouUniversity,Guangzhou510405,China)Abstract:ThispaperdescribesthetreatmentofmunicipalwastewaterinGuangzhouaerabySequencingBatchReac2tor.Duringtheprocess,nitrogenremovalandtransformationandaffectingfactorsareresearched.Duringaerobiccondi2tion,simultaneousorganicsubstratesremovalandphosphorusuptake,nitrificationneedstobecontroledatthelevelofnitrite,andthendenitrificateunderanoxicconditionfornitrogenremoval.TheresultsshowthatbothorganicsubstratesandNH3-Nefficientremovalarehigh.NitratetransformatesN2duringdenitrification.Throughnitrificationanddeni2trification,efficientofT-Nremovalishigh.Keywords:sequencingbatchreactor;municipalwastewater;nitrification;denitrification:951:SBR©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国城镇水网