SBR法短程反硝化动力学分析研究张英慧

40420154ENVIＲONMENTALSCIENCEANDMANAGEMENTVol.40No.4Apr．20152015－02－141983－。1674－6139201504－0116－03SBＲ1211．5300112．312000SBＲSBＲSBＲ。CODNO－2－NpH。SBＲMonodX703．1AAnalysisonKineticsModelforShort－cutDenitrificationinSBＲZhangYinghui1ZhaoHaiyan2LiSheng11．GuangxiＲesearch＆DesignInstituteofBuildingScienceNanning530011China2．ShaoxingServiceCenterforEnvironmentalFrotectionScience＆TechnologyShaoxing312000ChinaAbstractBydiscussingthefactorsofshort－cutnitrification－denitrificationprocessesintheSBＲreactorthedenitrifica-tionkineticequationparametersofSBＲshort－cutnitrification－denitrificationweredefinedbyexperimentaldata．Thekinetice-quationofdenitrificationwasobtainedbymaintainingthewatertemperatureconstantinthereactorcontrollingofreactioncondi-tionssuchasthedissolvedoxygenconcentrationandammoniaconcentrationandanalyzingexperimentaldata．InthistesttheconcentrationofCODandNO－2－Nwerehigherthantheirsaturationconstantsrespectively．Thereforetheshortcutdenitrificationinthispaperwaszero－orderkineticreaction．ThedenitrificationratewasthefunctionoftemperatureandPHthecconcentrationofNO－2－Nandoorganicscanalmostbeignored．KeywordsSBＲshort－cutdenitrificationshort－cutdenitrificationkineticsMONODequationSBＲSequencingBatchＲe-actor。SBＲ、。、、。1。Monod。。。。11qmax·611·40420154·SBＲVol.40No.4Apr．2015Monodq=－1X·dSNdt=qmax·SNKN+SN·SKS+S1qmax—h－1q—h－1。qmax。1SNKNSKSSNKN+SN·SKS+S≈1221－1X·dSNdt=qmax32－430℃～32℃。30℃19.5℃～23.5℃50。22℃±0.5℃43qmax=0.024351h－1qmax5qmax=0.0083～0.0333h－16。2KSqmaxKS。1SNKNSNKN+SN≈1441q=qmax·SKS+S522℃±0.5℃1。1KSSmg·L－1qmgNO－2－N/mgMLVSS·h10.50.0046521．00.008131．50.009643．00.015855．00.0168610.00.020151q=1qmax1+KS()S61q=01S=－1KS1q1S－1KS1。1KS·711·40420154·SBＲVol.40No.4Apr．201511q=87．191x+40．053Ｒ2=0.9954。KS=2．176891mg·L－1。KSASM3KS=2mg·L－17。3KNKN。1SKSSKS+S≈1771q=qmax·SNKN+SN822℃±0.5℃2。2KNNO－2－Nmg·L－1qmgNO－2－N/mgMLVSS·h10.30.005620.50.008730.80.009441．00.012152．00.015165．00.019481q=1qmax1+KNS()N91q=01SN=－1KN1q1SN－1KN2。21q=39.124+46．04Ｒ2=0.977。KN=0.849783mg·L－1。2KN2qmax、KSKN1dS/dt=－0．024351·SN0．849783+SN·S2．176891+S·X3NO－2－NCODpH。1．M．1989．2．SBＲJ．200218101－5．3．J．2002121288－93．4．SBＲJ．2002216571－575．5MetcalfEddy．TchobanoglousGBurtonFL．Wastewa-terEngineeringTreatmentDispodalＲense．3rdednJ．Me-GrawHill1991695－725．6Ｒ．L．Irvine．AnOrganicLoadingStudyofFull－scaleSequencingBatchＲeactorJ．JWPCF1985578210－219．7．M．2002．·811·