不同类型活性污泥内源呼吸过程的典型特征解析

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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-maillizhihua@gmail.com2014-12-15·82·317.watergasheat.com

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