SBR法短程硝化动力学分析张英慧

第14卷第2期2011年4月西安文理学院学报:自然科学版JournalofXi,anUniversityofArtsScience(NatSciEd)Vol.14　No.2Apr.2011:1008-5564(2011)02-0038-04:2011-01-10:(1983—),,,,.:.SBR张英慧1,赵海燕2,赵剑强3,黎　圣1(1.广西建筑科学研究设计院,广西南宁530011;2.湖北省公路工程咨询监理中心,湖北武汉430030;3.长安大学环境科学与工程学院,陕西西安710065)　:SBR.,,MATLAB,,,.:SBR;;;MATLAB:X703.1　　　　　:AAnAnalysisofKineticsModelforShort-cutNitrificationinSBRZHANGYing-hui1,ZHAOHai-yan2,ZHAOJian-qiang3,LISheng1(1.GuangxiResearchDesignInstituteofBuildingScience,Nanning530011,China;2.HubeiRoadEngineeringConsultancySupervisionCentre,Wuhan430030,China;3.SchoolofEnvironmentalScienceandEngineering,Chang'anUniversity,Xi'an710065,China)Abstract:Inthisstudy,weanalyzethenitrificationkineticsofshort-cutnitrification-deni-trificationprocessinlaboratorySBR.Throughmaintainingthetemperature,reasonablecontrol-lingofreactionconditionssuchasthedissolvedoxygenconcentrationandammoniaconcentra-tion,andapplyingMATLABprogrammingtoanalyzeabundantexperimentaldata,weobtainthekineticparameters.Thekineticequationofnitrificationwasobtained.Keywords:SBR;short-cutnitrification;nitrificationkinetics;MATLABprogramming,,、,、.,[1].(Monod).SBR,、.,,.[2-3],.,,,　第2期张英慧,等:SBR法短程硝化动力学分析,.1　,,,,SBR:dSNH/dt=-1YA·μA·SNHKA,NH+SNH·S0KA,O+S0·M·X(1):YA—;1kgkg;μA—,h-1;SNH—SBR,mg·L-1;KA,NH—,μ=1/2μA,,mg.L-1;KA,O—,mg·L-1;SO—SBR,mg·L-1;X—SBR(MLSS),mg·L-1;M—(MLSS),%.1.1　μA,,,,,,μA.3.5mg·L-1,KA,O,,M≈5%,(X)3.01g·L-1,YA≈YA,Obs()=0.26mgMLSS/mgNH+4-N.(2),-dSNHdt·YA/M·X=μA(2)22±0.5℃,4,(2):μA=0.01583h-1ASM3(μA=0.042h-1)[4].ASM3,.,95%,.,,,,.1.2　KA,NHμA,DO3.5mg/L,,,,KA,NH.(1),SoKA,O,S0KA,O+SO≈1(3)(3)(1),:dSNH/dt=-1YA·μA·SNHKA,NH+SNH·M·X(4)A=1YA·μA·M·X,(4),39西安文理学院学报:自然科学版第14卷dSNH/dt=A·SNHKA,NH+SNH(5)22±0.5℃,DO3.5mg/L1.1　NH+4-N(DO=3.5mgL-1)KA,NH.,A,KA,NH,MAT-LAB,KA,NH.S(i+1)-S(i)Δt=A·Si(KA,NH+Si)(6)KA,NH=4.40mg·L-1.(6)MATLAB,,(4),,,SD=2.0,(2)..2　ASM3,,ASM3(1mg·L-1,20℃)[5].DO,DO,..1.3　KO(μA),,,1.0mg·L-1、0.8mg·L-1、0.5mg·L-1、0.3mg·L-1,22±0.5℃,,,NH+4-N,NO-2-NNO-3-N.1　KA,ODO/(mg·L-1)qmgNH+4-N/(mgMLVSS·h)11.0　　　　　　0.2034620.8　　　　　　0.193630.5　　　　　　0.172940.3　　　　　　0.14389(1),SNHKA,NH,SNHKA,NH+SNH≈1(7)(7)(1)q=-1YA·μA·S0KA,O+S0(8)(8),1/q=-1μA·YA·[1+KA,OS0](9)1q=0,1SO=-1KA,O,1q1SO,,-1KA,O,340　第2期张英慧,等:SBR法短程硝化动力学分析.3　KA,O3,R2=0.991.:KA,O=0.213076mg·L-1.KA,OASM3(KA,O=0.5mg·L-1,20℃),(KO=0.2mg·L-1,20℃),[5].,,.,,,OLAND.μA、KA,NHKA,O(1),:dSNH/dt=-10.26×0.0158×SNH4.40+SNH·S00.213076+S0·M·X(10)(10).,()、、,,,.[　　　][1]　.[M].:,1989.[2]　,,,.SBR[J].,2002,23(2):50-54.[3]　EUMY,CHOIE.Optimizationofnitrogenremovalfrompiggerywastebynitritenitrification[J].Wat.Sci.Tech,2002,45(12):89-96.[4]　METCALFE,TCHOBANOGLOUG,BURTONFL.WastewaterEngineering:Treatment,Dispodal,Rense[M].3rdedn,MeGrawHill,1991:695-725.[5]　GUJERW,HENZEM,MINOT,etal.ActivatedSludegModel[J].Wat.Sci.Tech,1999,39(1):183-193.[　]41