不同类型活性污泥内源呼吸过程的典型特征解析

710055。。、。68%～16%。。X703A1000－4602201507－0025－04TypicalFeaturesofEndogenousＲespirationProcessofDifferentTypesofActivatedSludgeLIZhi-huaSUNChui-mengCHAIBoKeyLaboratoryofNorthwestWaterＲesourcesEnvironmentandEcology＜MinistryofEducation＞SchoolofEnvironmentalandMunicipalEngineeringXi’anUniversityofArchitectureandTechnologyXi’an710055ChinaAbstractThetypicalfeaturesofendogenousrespirationprocessoftwotypesofactivatedsludgeonetreatinglandfillleachateandtheothertreatingmunicipalwastewaterwereinvestigatedbyusingres-pirationmap．Theresultsshowedthatforthesludgethatwascleanedwhetherautotrophicandhetero-trophicbacteriacouldreachtheendogenousstatussimultaneouslydependedonthetypesofsludge．Ac-cordingtothevariationofendogenousrespirationratiothreestagescouldbeidentifiedaslowendogenousrespirationhighactiverespirationandhighendogenousrespiration．Combinedwiththestatisticalanaly-sisofsixwastewatertreatmentplantsWWTPsinXi’anitwassuggestedthattheendogenousrespira-tionprocessinwell-operatedWWTPscouldbeclassifiedashighactiverespirationstageswiththeendoge-nousrespirationratiointherangeof8%to16%．ThefindingsinthisstudywouldhelptheunderstandingofendogenousrespirationandcouldhelptheoperationmanagementofWWTPs．Keywordsrespirationmapendogenousrespirationratiomunicipalwastewaterlandfillleachatesludgehealthstatus2013KW220120136120110002·52·31720154CHINAWATEＲ＆WASTEWATEＲVol．31No．7Apr．20151。OUＲ2OUＲ。OUＲ。、3～5。1。11.1AMLVSS=11200mg/LSＲT=77dCODNH+4－N150002500mg/LBMLVSS3600mg/LSＲT7dCODNH+4－N28035mg/L。15L25±0．5℃。。0、3、6、10、14、18、22、26、32、38、44、56、68、80、92、104、116、140、164、200、236、272、308、356、404、452h0．3L。1.2BM400、pH、PLC、。1．3L25±0．5℃pH2s。0．3LPBS1．2L15s、10min、0．6L3。25℃1．2L4PLC。1.2.1OUＲTOUＲen、OUＲAOUＲH6。1。50mg/LOUＲN=OUＲen+OUＲA300mg/LOUＲT。。OUＲen、OUＲA、OUＲHOUＲT。OUＲen/OUＲT。1.2.2CODNH+4－N。22.1OUＲOUＲMLVSSSOUＲ1、21。12SOUＲen。ABSOUＲT0～22h0～6h22～68h6～18hEPS、PHB。ASOUＲT68hSOUＲHSOUＲA56h。。BSOUＲT18hSOUＲHSOUＲA18h1。AB。A·62·317．watergasheat．com7。ABSOUＲT272h1。1AFig．1ＲespirationmapofactivatedsludgeA2BFig．2ＲespirationmapofactivatedsludgeB2.21。＜8%、8%～16%＞16%。8%16%8%16%。3CODNH+4－NCODNH+4－N。CODNH+4－N。3Fig．3Variationofdegradationratewithendogenousrespirationratio4SOUＲHSOUＲA。BOD。。、SOUＲ。4SOUＲHSOUＲAFig．4VariationofSOUＲHandSOUＲAwithendogenousrespirationratioB8%～16%·72·．watergasheat．com317＞16%＜8%、。6C、D、E、F、G、H。C、D、EF11．83%～14．63%、8．00%～9．86%、8．62%～10．58%、11．69%～14．31%8%～16%GH6．17%～7．83%21．35%～31．59%、、。AB5A。A3．54%～6．46%8%。8%～16%。5ABFig．5MorphologyofactivatedsludgeAandB3。、8%～16%。1．J．20143593492－3497．2．OUＲINT－ETSJ．200521743－46．3．J．20143593487－3491．4．J．2009292231－242．5．SBＲJ．200714123－126．6SweityAYingWAli-ShtayehMSetal．Ｒelationbe-tweenEPSadherenceviscoelasticpropertiesandMBＲoperationBiofoulingstudywithQCM-DJ．WaterＲes201145196430－6440．7．MWJ．200622188－91．1976－。[e-mail]2014－12－15·82·317．watergasheat．com