臭氧活性炭反硝化生物滤池在污水再生回用中的应用

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1,100084;2,100022;3,100083)200m3/d,,(O3)-(GAC)-(DNBF)13,O3,,CODCr30mg/L,NH3-N1mg/LCH3COONa,DNBFTN2mg/L,,DNBFO3,PilotstudyonreclaimedwastewatertreatmentbyO3granularactivatedcarbondenitrificationbiofilterprocessBaiYu1,2,LiuJinhan3,GanYiping2,HuHongying1,ZhouJun2(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijng100084,China;2.BeijingDrainageGroupCo.,Ltd.,Beijng100022,China;3.UniversityofScienceandTechnologyBeijing,Beijng100083,China)Abstract:A200m3/dpilot2scaleprojecthasbeenestablishedtoproducereclaimedwaterinJiuXianqiaoWastewaterTreatmentPlant.Atechniqueusingozone,granularactivatedcarbon(GAC),anddenitrificationbiofilter(DNBF)isaddedtotreatthedenitrogenatedanddephosphorizedwastewater.Datacollectedinaperiodof13monthsindicatethattheprocessnotonlyremovesthecolorandodorinwastewaterinozonereactiontower,butalsoincreasesthebiodiversityandactivitiesofbiomassintheGACtankduetotheozonationtreatment.TheCODCrvaluesofeffluentmaintainlessthan30mg/L,whileNH3-Nlessthan1mg/Lstably.TheTNvaluesoftheeffluentarebelow2mg/LunderthetreatmentofDNBFprocess.Meanwhile,itisfoundthatthecorrectcollocationofDNBFandozonecellsissignificant,whichisdifferentfromthatofthesecondarytreatmentprocess.Keywords:Reclaimedwastewater;O3;Granularactivatedcarbon;Denitrificationbiofilter;JiuXianqiaoWastewaterTreatmentPlant12008,,20m3,,2007,1.79m3,46%©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,1,10CODCrBOD5,,,,A2/O,,-,,1,,,IBMP(222322),IBMP,IBMP,IBMP,,,,1,,1()BOD5/mg/L2266CODCr/mg/L28.442130SS/mg/L6.88510NH3N/mg/L3.220.5451.5TP/mg/L0.241.280.50.3TN/mg/L10.5318.1151.5/NTU0.760.6/19.42230//L310000100002000:10;5,-,,1,,,,,,VFA100mg/L,,,,,,A2/OA2/O,1,-,,(O3)(GAC)(DNBF)33.1,O3GACDNBF,1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(5.04)NO-2N/mg/L00.8(0.46)NH3N/mg/L0.296.67(3.63)TN/mg/L5.0712.3(7.01)TP/mg/L0.091.26(0.4)TOC/mg/L8.468.58(8.52)BOD5/mg/L6.412.5(9.8)CODCr/mg/L20.345.1(35.4)/NTU1.276.95(2.84)/2035(30.2)//mL107(107)//L106(106):3.335mg/L,15min,10minDNBF(CH3COONa),DNBFCODCr60mg/LDNBF5m3/(m2h),,,7L/(sm2)15L/(sm2),3min44.12,NH3N,,,2,O3GACDNBFO3GACCODCr30mg/L,10DNBFCODCr2O3-GAC-DNBFCODCrO3-GAC,,,,,,NH3N,3,NH3N1mg/L[1]3O3-GAC-DNBFNH3N4.2,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],,4,,,5,O3,,10,O3-GACDNBF,:,4O3-GAC-DNBF4.3DNBF5,O3-GAC,NO-3NO3-GACDNBF5,DNBFNO-3N510mg/L,NO-3N0.5mg/L,NO-3NNO-3N,O3GAC[3],TN714mg/L,DO8mg/L,25%30%5DNBFNO-3NDNBFTNNO-3N,6,TNNO-3N,6TNNO-2N,,,,,[4]6DNBFTN513,,(1),O3-GACBOD/COD,,,,,,,,,(2),DNBF,,,,CODCr[5],DNBFDO,6(1)O3GAC,O3GAC,CODCr30mg/L,NH3N1mg/L©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1,550002;2,550002),,,,,1,20151190028001100m3/d,,10NTU,5001000NTU,(GB574985),12,;1,,,,,,,;,,,,,,,,:,,(2)O3-GAC-DNBF,,NO-3N0.5mg/L,TN2mg/L(3),35mg/L,,,DO1,.//..2003,19(8):132,..,2003,24(5):58613CecenF,GonencIE.Nitrogenremovalcharacteristicsofnitrificationanddenitrificationfilters.WaterScienceandTechnology,1994,29,(10211):4094164PujolR,TaralloS.Totalnitrogenremovalintwo2stepbiofitration.WatSciTech,2000,41(425):65685DeeA,JamesN,JonesI,etalPre2orpostdenitrificationatbiologicalfilterworks2Acasestudy.WatSciTech,1994,29(10211):145155&E2mail:[e-mail]:2008203228