复合式曝气生物滤池工艺特性对比研究纪桂霞

80。、、[1-3]。0.9m[4]。。。11.1PVC152mm3350mm200mm150mm。3～5mm2000mm800mmHBAFTBRPP+K-45800mm1.6m2·m-1。1.2、、NH4Cl、KH2PO4、CaCl2、MgSO4、FeSO4、ZnSO4、、、NH4Cl、。HBAFBAF。。22.1[5]。311m3·m-2·h-1。1。1BAFCOD。3dCODCODHBAFBAFCOD9d12d70%14dBAFCOD200093BAFBiocordHBAFBAF、、、。BAFHBAF、3d1h。HBAFBAFCODCODCOD5kg·m-3·d-1HBAFBAFCOD8%HBAFBAFNH4+-NNH4+-N。X703.1A1000-3770(2009)[e-mail]。35420094TECHNOLOGYOFWATERTREATMENTVol.35No.4Apr.,200961DOI:10.16796/j.cnki.1000-3770.2009.04.01880%25dBAFCOD80%。HBAFBAFCOD。BAFCOD4～12dHBAFCODBAFHBAFBAFCOD4%～7%13～25dBAFCOD。BAFBAFBAFCODHBAFBAFCODCODHBAFBAFCOD。2.2411.5m3·m-2·h-1CODNH4+-N。2、3。2BAFCOD。COD1～4kg·m-3·d-1CODCOD4kg·m-3·d-1COD。BAFCOD2kg·m-3·d-1BAFCODHBAFCOD2～3kg·m-3·d-1BAFCODCOD3kg·m-3·d-1HBAFCODBAFCOD5kg·m-3·d-1HBAFCODBAF8%。CODCOD、、CODHBAFCODBAF。3BAFNH4+-NNH4+-N0.3kg·m-3·d-1NH4+-N80%NH4+-N0.3kg·m-3·d-1NH4+-NNH4+-N0.6kg·m-3·d-1NH4+-N55%NH4+-NNH4+-N。BAFNH4+-NNH4+-N1Fig.1OperationeffectofBAFsduringstarting-upstage024681012141618202224264080120160200240280320
dCOD/mgL0102030405060708090100COD 012345650556065707580859095100COD
%COD/kgmd2CODFig.2RelationshipbetweeninfluentpollutantsCODloadandpollutantsremoval3NH4+-NFig.3RelationshipbetweeninfluentpollutantsNH4+-Nloadandpollutantsremoval0.00.10.20.30.40.50.650556065707580859095100NH-N
/kgmdNH-N/%35462HBAFNH4+-NBAF1.4%。2.3411.5m3·m-2·h-1COD350mg·L-1NH4+-N33.2mg·L-14BAF。4。4CODHBAFBAF0～500mmCODCOD37%42%CODNH4+-N1500～2000mmHBAFBAFNH4+-NNH4+-N27%36%NH4+-N20%[6]、[7]。、[6-7]。2000～2800mmHBAFBAFCODCOD0.7%-1.6%NH4+-NNH4+-N8.0%9.1%。NH4+-NCOD。2.410d10dCOD355mg·L-1NH4+-N38.3mg·L-1411.5m3·m-2·h-1CODNH4+-NCODNH4+-N5。5HBAFBAFCOD90%CODBAFCODHBAF360minHBAFBAFCOD86%78%COD。BAFCODHBAFCODBAF3.7%。BAFNH4+-NNH4+NH4+NH4+-N。HBAFBAF240min180minNH4+-N300min240minHBAFBAFNH4+-N80%。HBAFNH4+-NBAF0.7%BAF。2.5。SS。、、5min1.1m3·m-2·min-11.0m3·m-2·min-1。5Fig.5Changingrelationshipbetweenremovalrateandtimeafterrestarting-up0500100015002000250050556065707580859095100
 min12345-5051015202530354045
 1-0～500mm2-500～1000mm3-1000～1500mm4-1500～2000mm5-2000～2800mm4Fig.4RelationshipbetweenpollutantsremovalandpositionofBAFs63。BAFCOD6COD325mg·L-1411.5m3·m-2·h-1。6HBAFBAFCOD80%7h8hHBAFCODBAF6hHBAFBAFBAF80%BAF。3HBAFBAF70%CODHBAFBAF380%CODHBAFBAF1h。BAF。COD1～4kg·m-3·d-1CODCOD4kg·m-3·d-1CODNH4+-N0.3kg·m-3·d-1NH4+-N80%NH4+-N0.3kg·m-3·d-1NH4+-N。CODBAFCODCOD2kg·m-3·d-1HBAFBAFCOD2～4kg·m-3·d-1HBAFBAFCOD4kg·m-3·d-1HBAFCODBAF8%。NH4+-NBAFNH4+-N。HBAFBAF。[1],,.[M].:,2002.[2],.-[M]..:,2006.[3],.[J].,2000,26(10):4-8.[4].[J].,2002,28(7):15-18.[5].[M]..:,2003.[6],,.[J].,2006,22(35):71-74．[7],,.[J].,2008,24(2):76-81.24681012050100150200250300350400COD
/mgL h-20020406080100COD 6CODFig.6RelationshipbetweenCODremovalandtimeafterbackwashingWORKINGCHARACTERISTICSOFTHEHYBRIDBIOLOGICALAERATEDFILTERJIGui-xia,LIUXian（CollegeofUrbanConstructionandEnvironmentEngineering,UniversityofShanghaiforScienceandTechnology,Shanghai200093,China）Abstract:Theworkingcharacteristicsoftheordinarybiologicalaeratedfilter(BAF)filledwithceramicgranuleandthehybridbiologicalaeratedfilter(HBAF)fixedBiocordinclarifyingregionwasstudiedunderthesameoperatingcondition.TheworkingperformancesofbothkindsofBAFsduringstarting-up,restarting-up,backwashingstageaswellasperformancesundervariesinfluentpollutantloadswereinvestigated.Theexperimentalresultsshowedthatthestart-uptimeandrecoverytimeafterbackwashingofHBAFis3dand1hshorterthanBAF's,respectively.ThedifferencevalueofCODremovalratebetweenHBAFandBAFincreaseswiththeriseoftheinletCODloadingrate,whiletheCODloadwas5kg·m-3·d-1,thevalueofdifferencereached8%.ThedifferencevalueofNH4+-NremovalratebetweenHBAFandBAFdidnotchangesignificantlywiththevariationofNH4+-Nloadininfluent.Keywords：BAF;HBAF;workingcharacteristics35464