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27 1Vol.27 No.120052JournalofHebeiInstituteofTechnologyFeb.2005:1007-2829(2006)01-0140-05王宇亮1,王捷2,贾辉2(1.河北理工大学交通与测绘学院,河北唐山063009;2.天津大学环境工程学院,天津300072):低浓度有机废水;厌氧生物处理;出水最低浓度;进水最低浓度;动力学参数 :以Monod模式和微生物增长与底物降解的基本关系为基础,推导了描述完全混合式厌氧反应器处理低浓度有机废水的出水最低浓度Se,min和进水最低浓度S0,min的数学模型,并对影响厌氧反应动力学参数的因素进行了讨论。:X703.1 :A0 ,。,,,,,。,:、。1 Heukelekian(1951),,:(dXdt)g=Y(dSdt)u-KdX(1) :(dXdt)g—;Y—;(dSdt)—;Kd———,(d-1);X—(mg/l)。Monod(1942),-,Monodμ=μmaxSKs+S(2) :μ—,μ=dXdt/X;μmax—;Ks—,μ=μmax/2;S—。:μ=Y0q(3):2005-03-14:(1980-),,,,。 qMonod:q=qmaxSKs+S(4) :q—,q=(dSdt)u/X;qmax—;Ks—,q=qmax/2;Y0—。2 Se,min(1),(dXdt)g=0,,,,q=[(dSdt)u/X],Se,min。(4)(1),,:Se,min=KsKdYqmax-Kd(5) ,SKs,,(4):q=qmaxSKs(6) (1):Se,min=KsKdYqmax(7) (5)(7),,,(1):(dXdt)g=Y(dSdt)u-KdX-QXeV(8) :Q—、;Xe—;V—。=+,(dXdt)g=0,:θ=VXQXe(9) (4)(6)(7):Se,min=(1θ+Kd)KsYqmax-1θ-Kd(10)Se,min=KsYqmax·1θ+KdKsYvmax(11) (10)、(11),,Se,minθ,X,θ,,(9),X,,Se,min。,X,θ。Se,minθX,(9)、(10)、(11),。141 1 ,:3 S0,minS0,min,,。MinZinderS0,min[3]。PavlostathisGiraldo-GomezS0,min,[4]。S0,min:(dSdt)u=S0-SeT(12) :S0—;Se—;T—(HRT)。(1)、(8):S0=Se+T[(dXdt)g+KdX]Y(13)S0=Se+T[(dXdt)g+KdX+QXeV]Y(14) ,(14):S0,min=Se,min+X·T(1θ+Kd)Y(15) (13)、(14)S0,min。。(15),,:S0,,,X。X,(15),T,。T,X。XS0,。S0,S0X,。S0,min,。S0,minMonod,Monod,。Giraldo-GomezMonod,[4]:q=qmax(S-S0,min)Ks+(S-S0,min)(16)4 KsKdMonod,,,。MerchukMonod。[6]:μ=μmax(6YhsρCdC)Sμmax+(6YhsρCdC)S(17)142 27 :hs—;ρc—,;dc—;。:Ks=μmax(6YXshsρCdC)(18) (17)Monodμ=μmaxSKs+S,(18):Ks=μmaxYXs·1hs·16dCρC(19) (19)MonodKs,:μmaxYXs—qmax,Ks;1hs—Ks,hs,Ks;16dCρC—Ks。Ks,、。Kato,EGSB2.5m/h,Ks9.8mgCOD/L,2.5m/h,Ks28.3mgCOD/L,Ks[7]。,Ks。,。,[3],,“”,S0,Kd,“”S0。Se,minS0,minKd。5 Se,minSe,min。,Monodθ,(SMP),。Kou[3]CODSMP,COD51%~81%SMP:COD81%~97%SMP。。,,,,。。[8]UASB,,,,,,UASBT,,Se,min。6 ,S0,minSe,min,,X、S、θ、T、143 1 ,:。KsKd,,。:[1] ,,.()()[M].:,1996,6.[2] .()[M].:,1997.[3] MinHandS.H.Zinder,KineticsofAcetateUtilizationbyTwoThermophphlicAcetotrophicMethanogens:Methanosarcinasp.StrainCALS-1andmenthanothrixsp.StrainCALS-1Appl.Environ.Microbiol.,1989,55:488-495.[4] ()R.E.,,.[M].:,2001.[5] ,,、,—[M].:,1991.[6] ,,.[M].:,2000.[7] MairoT.Kato,JimA.FieldandGatzeLettinga.Theanaerobictreatmentoflowstrengthwastewater[A].Proc.8thInternationalConf.onAnaerobicDigestion[C].Sendai,Japan,1997,1:356-363.[8] ,,.[J].,1995,15(2),170-176.AnalysisontheKineticsofAnaerobicBiologicalTreatmentofLowStrengthOrganicWasterWaterWANGYu-liang,WANGJie,JIAHui(1.CollegeofTrafficandsurveying,HebeiPolytechnicUniversity,TangshanHebei063009,China;2.SchoolofEnvironmentalScienceandEngineering,TianjingUniversity,Tianjin300072,China)Keywords: lowstrengthorganicwasterwater;anaerobicbiologialtreatment;minimumeffluentsubstrateconcen-tration;minimuminfluentsubstrateconcentration;kineticsfactorAbstract: BasedonMonodkineticsandtherelationshipbetweenbiomassgrowthandsubstratebiodegradation,theminimumeffluentsubstrateconcentration(SE,MIN)andtheminimuminfluentsubstrateconcentration(S0,min)ofconstantstirredanaerobicreactortreatinglowstrengthorganicwastewaterwerededuced.Thefactorswhichaffectan-aerobickineticsparameterswerediscussed.144 27
本文标题:低浓度有机废水厌氧生物处理反应动力学王宇亮
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