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12 12005 3 安全与环境工程SafetyandEnvironmentalEngineering Vol.12 No.1Mar. 2005A/DAT—IAT徐国辉1,鄢卫东2(1.杭州市自来水总公司,杭州310016;2.江苏大学生物与环境工程学院,江苏镇江212013) :———A/DAT-IAT,A/OSBR,。,,。:A/DAT-IAT;SBR;;:X703.1 :A :1671-1556(2005)01-0038-04*CharacteristicsofA/DAT-IATProcessandItsApplicationtoBiologicalNitrogenRemovalXUGuo-hui1,YANWei-dong2(1.WaterSupplyCompanyofHangzhou,Hangzhou310016,China;2.SchoolofBiologicalandEnvironmentalEngineering,JiangsuUniversity,Zhenjiang212013,China)Abstract:Thispaperintroducesanewquenchingbatchactivatedsludgereactor—A/DAT-IATsystem,whichcanbeconsideredasthecombinationofA/OreactorandSBRreactorandhastheadvantagesofthetwo.ThetestresultshowsthatthesystemhasgoodcapacityofNH3-Nremovalandstabilityofqualityforthetreatedwater.Keywords:A/DAT-IATprocess;SBRprocess;biologicalnitrogenremoval;wastewatertreatment ,、、、,,[1,2]。[3],,。,(A/O),(SBR)。A/O,、、,,,。SBR、,,,,,、。A/DAT-IAT,,。1 A/DAT-IATA/DAT-IAT、DATIAT(1)。、,DAT,NOX-NN2N2O。,,。DAT,DAT,,DAT。DAT*:2004-09-20 :(BS2000382)。:(1978—),,,。,200%~500%。IATSBR,、、,IAT,。IAT,DATDAT,。1 A/DAT-IATFig.1 TheexperimentequipmentofA/DAT-IAT1.;2.;3.;4.;5.;6.;7.;8.;9.A/DAT-IATA/OSBR,:A/DAT-IATA/O,,;,,,,,DAT,。IATSBR,,[4],,0.5~1.5mg/L,、、,[5],,。2 2.1 1,A/DAT-IAT,320mm×120mm×270mm,9.6L,80mm×120mm×270mm,DATIAT120mm×120mm×270mm。,160mm,8Υ8mm,30mm,6Υ8mm。,。、。IAT。2.2 (1),,、,。,,。,、。1 (mg/L)Table1 ThesourcewaterqualityNH+4-NCODCl-SO2-4SSpH49484193312551186.92.3 ,COD,pH。3 3.1 ,,,。10L,2L,8L,22h,2h,6L,6L,。12d,,,、、、。,,,。,10h,2h,2。25d,SV21%,MLSS4100mg/L,,0.5h,,,,,,,。A/DAT-IAT,A/DAT-IAT。IAT4h,2h,1h,1h。,COD250mg/L、50mg/L,86%34%。39第1期 徐国辉等:A/DAT-IAT法的特点及其生物脱氮的应用研究 C/N5,pH7.6,COD。5,COD600mg/L、120mg/L,94%96%,,。3.2 0.3L/h,C/N5,pH7.6,。2,150mg/L,15mg/L,90%;,。:,,[6],,50mg/L,;,,。,。,。2 Fig.2 EffectofinflowNH+4-NconcentrationontheremovalofNH+4-N3.3 pHCOD600mg/L,120mg/L,0.3L/h,NaHCO3pH,3。3 pHFig.3 EffectofpHontheremovalofNH+4-N3,pH7.4~8.0,A/DAT-IAT90%,pH7.48.0,。,pH[7],pH6.0~7.5,pH7.0~8.5,pH69.6。,pH69,;pH7.6,;pH,[8]。pH7.6。3.4 ,C/N,,。C/N,DO,;C/N,,,。,C/N,C/N,,C/N2.86。[9],C/N4.0,5.7。C/N4.5~8,,C/N4.58,。4 C/NFig.4 EffectofC/NontheremovalofNH+4-N3.5 (r)A/DAT-IAT,。DAT100%,100%,IAT,TKN40 安全与环境工程 第12卷NO-3-N,NO-3-NN2,EDN[10]:EDN=r1+r×100%,r,,。,r,DAT,,,。100%,200%,300%,400%,500%,600%6。2。,r400%,。2 Table2 Theeffectofinnercircumfluenceratioonthere-movalofNH+4-Nr/%100200300400500600/%7687929681683.6 A/DAT-IAT,DATIAT,DATIAT,DAT,DAT,,IATDAT。50%,100%,150%,200%,250%,300%,400%,3。,250%。,DAT,;,IATDAT,。3 Table3 TheeffectofsludgecircumfluenceratioontheremovalofNH+4-N/%50100150200250300400/%355273899586764 (1)A/DAT-IATA/OSBR,。,,,。(2)A/DAT-IAT。,150mg/L、C/N4.5~8、pH7.6、400%、250%,90%。(3),A/DAT-IAT,。:[1],,.[J].,2003,116(6):73-74.[2]Obaja,D.,S.Mace,J.Costa.Nitrificationdenitrificationandbiologicalphosphorusremovalinpiggerywastewaterusingase-quencingbatchreactor[J].BioresourceTechnology,2003,87(1):103-111.[3]Ruiz,G.,D.Jeion,R.Chamy.Nitrificationwithhighnitriteaccumulationforthetreatmentofwastewaterwithhighammoniaconcentration[J].WaterResearch,2003,37(6):1371-1377.[4],.DAT-IAT[M].:,2003.[5]Hibiya,K.,A.Terada.Simultaneousnitrificationanddenitrifi-cationbycontrollingverticalandhorizontalmicroenvironmentinamembraneaeratedbiofilmreactor[J].JournalofBiotechnolo-gy,2003,100(1):23-32.[6]Anthonisen,A.C.,R.C.Loehr,etal.Inhibitionofnitrifica-tionbyammomiaandnitrousacid[J].WaterPollntionControlFed,1976,48(5):835-852.[7],,.SBR[J].,2001,19(2):16-19.[8],,.pHCAST[J].,2003,21(6):14-16.[9],.SBR[J].,1997,16(4):30-33.[10].[M].:,1997.41第1期 徐国辉等:A/DAT-IAT法的特点及其生物脱氮的应用研究
本文标题:ADATIAT法的特点及其生物脱氮的应用研究徐国辉
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