低温下曝气生物滤池内生物量变化谢曙光

(),40,6,200411ActaScientiarumNaturaliumUniversitatisPekinensis,Vol.40,No.6(Nov,2004)简报Note1)(9550610400-05-03):2003-08-14;:2003-11-26低温下曝气生物滤池内生物量变化1)谢曙光2)张晓健3)王占生3)(2),,100871;3),,100084)(1e),,;;;X172,,,[1]Fu,[2],1e(015e),1,,BAFÑBAFÒ,BAFÑ,,BAFÒ,,[3]3m,20cm112m,,3~5mm,,(),,0e,,,(0~1e),015e979DOI10.13209/j.0479-8023.2004.1411Fig.1Schematicdiagramoftwo-stageBAFsystem3:A(2001-12-10)2001-12-22),,,10h0e5e,5e,BAFÒ,,,31,2mPh;B(2001-12-23)2002-01-03),,015e,BAFÒ,1,2mPh;C(2002-01-04)2002-01-21),015e,BAFÒ,1,4mPh,NH+4-N(CODMn30~40mgPL,NH+4-N15~30mgPL),,BAFÑBAFÒ3mgPL4mgPL,2(20g,)100mL,[4],nmolPPg,1nmolP(E.coli)108BAFÑ011016mBAFÒ016mBAF,BAFÑ011m,BAFÑ016m,BAFÒ016m()33.1BAFÑ2,,ABAFÑ:(1),(5e),;(2)BAFÑ,;(3),,,,;(4)(DO3mgPL),;(5)B(015e),BAFÑCBAFÑ,,(2mPh4mPh),980()402BAFÑFig.2ChangesofattachedbiomassonceramicparticlesatbottomandmiddlepartsoffillinglayerinBAFÑ2,BAFÑ016m(,)011mHorn,,[5],,,,,1e,,,,,,3BCBAFÑFig.3OrganicremovalbyBAFÑduringphaseBandC3015eBAFÑ3,BBAFÑCODMn,2,,BAFÑCODMn,3,BAFÑCODMn,CBAFÑCODMn,23.2BAFÒ016m()4,,,,,,NH+4-N1mgPLBAFÒNH+4-N1mgPL(AB2BAFÒNH+4-N215mgPL,CBAFÒNH+4-N5mgPL),NH+4-NBAF,NH+4-N,9816:4BAFÒFig.4ChangesofattachedbiomassonceramicparticlesatmiddlepartoffillinglayerinBAFÒ5015eBAFÒ,BBAFÒ,4,,BBAFÒ5,BAFÒ,C,,BAFÒ,24,,5BCBAFÒFig.5AmmoniaremovalbyBAFÒduringphaseBandC,4,,,;NH+4-N,,,;,1.BAF.[].:,20022HuHY,KiochiF,KoheiU.EffectofTemperatureontheReactionRateofBacteriaInhabitingtheAerobicMicrobialFilmforWastewaterTreatment.JournalofFermentationandBioengineering,1994,78(1):100~1043,,..,2002,22(5):557~5614,,..,2002,28(5):1~45HornH,HemoelDC.ModelingMassTransferandSubstrateUnitlizationintheBoundaryLayerofBiofilmSystems.WatSciTech,1998,37(4-5):139~147982()40BiomassChangeinBiologicalAeratedFilteratLowTemperaturesXIEShuguang1)ZHANGXiaojian2)WANGZhansheng2)(1)DepartmentofEnvironmentalSciences,CollegeofEnvironmentalSciences,PekingUniversity,Beijing,100871;2)DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing,100084)AbstractThechangesofattachedheterotrophic-andnitrifyingbiomassinbiologicalaeratedfilter(BAF)atlowtemperatureswereinvestigated.Atlowwatertemperatures,evenbelow1e,heterotrophicbiomasscouldin-creasegreatly,however,theincreasewasinhibitedbytheavailabilityofbiodegradableorganicsubstrate.Forni-trifyingbiomassinBAFtheammoniaconcentrationwasnotinhibitory,butitsincreasewasseriouslyhamperedbylowtemperature.Theinhibitoryeffectoflowtemperatureonnitrifyingbiomasswasmorepronouncedthanthatonheterotrophicbiomass.Keywordsbiologicalaeratedfilter;lowtemperature;biomass;substrateconcentration***********(871)212BSD,:(科学研究部张铭供稿)9836: