常温下ABR反应器处理低浓度有机废水降解动力学

6010Vol160No110200910CIESCJournalOctober2009ABR1,2,3,2,2(1,350002;2,200092;3,350007):;;;:X70311:A:0438-1157(2009)10-2614-07KineticsofdilutewastewatertreatmentwithanaerobicbaffledreactoratambienttemperatureSUHongyang1,2,XIAXuefen3,ZHANGYalei2,ZHOUXuefei2(1SchoolofResourceandEnvironment,FujianAgricultureandForestryUniversity,Fuzhou350002,Fujian,China;2KeyStateLaboratoryofPollutionControlandResourcesReuse,SchoolofEnvironment,TongjiUniversity,Shanghai200092,China;3DepartmentofEnvironmentandEquipment,FujianUniversityofTechnology,Fuzhou350007,Fujian,China)Abstract:Inthisstudy,thecharacteristicsandkineticsofsubstratedegradationinanaerobicbaffledreactor(ABR)wereinvestigatedbyusingglucoseasdiluteorganicwastewater1Operationconditions,suchashydraulicresidencetime(HRT),sludgeconcentrationandtemperaturewereprovedtohaveeffectsonthetreatmentefficiencyofABRthroughtheanalysisonthekineticsofsubstratedegradation1DeclininggrowthrateconstantK2wasobtainedinasmallexperimentalABRusingglucoseasinfluent,basedontheexperimentalresultsatdifferenttemperatures1AccordingtotheanalysisofArrheniusrelationship,temperaturedidnotaffectK2greatly1Thisisoneofthereasonswhycomparativelygoodtreatmentefficiencymaystillbeachievedatalowertemperature1Intheexperiment,activationenergy(1192104Jmol-1)wasalsoobtainedfromtheArrheniusequation.Keywords:degradationkinetics;anaerobicbaffledreactor;diluteorganicwastewater;ambienttemperature2009-03-03,2009-07-13::(1977),,,:(20876117);(2006BAJ08B10,2006BAJ04A00)ABRMcCarty[1]2080,,Receiveddate:2009-03-03.Correspondingauthor:Prof.ZHOUXuefei,zhouxuefei@tongji1edu1cnFoundationitem:supportedbytheNationalNaturalScienceFoundationofChina(20876117)andtheNationalKeyTechnologiesR&DProgram(2006BAJ08B10,2006BAJ04A00).,,[2],,,[324],ABRUASB[4]ABRUASBpH[528],,ABR,[9][10212][6][13214][15][16][17220],ABR(HRT)ABR[21]ABR[5,22226],ABR,ABR,HRT11111,0175m0123m0135m,5,5314L,ABR,2017gVSSL-1HRT,,BOD5NP()=(150300)51,FeNiCoMgZn,300500mgL-1,COD400mgL-1112,,4411ABRTable1Resultsofbiodegradationofglucosewastewaterinanaerobicbaffledreactor(ABR)Temperature/Hydraulicloading/m3m-3d-1HRT/dCODCr/mgL-1InfluentEffluent2916(28113011)219331334136517101041010360103001022342337318304273645582711(25142719)310431404144515901040010360102801022318342358321304357692410(22172419)219431294113514201042010370102901023318361337315385161781710(16111815)21813138319451490104301036010310102536735633631249637187HRTreferstohydraulicresidencetimeinABRreactorsludgebed.2ABR211ABR[17,24225],UASB,ABR,,,ABR[3,27],ABR,,,,ABR,,ABR,1516210:ABR1ABRFig11Modelofanaerobicbaffledreactor(ABR),Ecken2felderBOD5300mgL-1,[28],,ABRSem=Se01+t1K21X111+t2K22X211+tmK2mXm=Se0mi=111+tiK2iXi(1)(1)=1-SemSe0=1-mi=111+tiK2iXi,(Xi),(ti)212ABR,=t1+t2++tm=mi=1ti(2)maxy=1+t1K21X11+t2K22X21+tiK2iXi1+tmK2mXm(3),=1-mi=111+tiK2iXi(3)(2),F=1+t1K21X11+t2K22X21+tiK2iXi1+tmK2mXm-(mi=1ti-)(4),5F5ti=0,F(),t1K211+t2K22X21+tiK2iXi1+tmK2mXm-=01+t1K21X1t2K221+tiK2iXi1+tmK2mXm-=01+t1K21X11+t2K22X21+tiK2iXitmK2m-=0(5)(5),ti=1m+mi=11K2iXi-1K2iXi,max(y),;K2,,t=t1=t2==tm=m,ABRSem=mm+mi=11K2iXimmi=1K2iXiSe0(6)=1-mi=111+tiK2iXi=1-mm+mi=11K2iXimmi=1K2iXi(7)(6),ABRm;(7),,m213ABR616260,t1=t2=t3=t4=t5,,,X1=X2=X3=X4=X5,,,[5,29]ABR(),K2,K21=K22==K2m=K2,(6)t1K2X1=1Se5/Se0012-1(8)1(8),,K2,2ABRK2(7)2,K2,Arrheniusk=Ae-E/RT(9)(9),ABRE,;,(9),k=K2,lnK2=lnA-ER1T(10)2(10),1/T2lnK2(3)E=1192104Jmol-1,A=1156103,K2K2=1156103e-1192104/RT(11)3EFig13Calculationchartofactivationenergy2,,ABR,,[18,20221,29231]ABR,:ABR[3],716210:ABR2Table2ActivationenergyvaluesfororganicwastewaterindifferentanaerobicprocessAnaerobicreactorE/Jmol-1Ref.anaerobicsuspendedsludgeprocess6128104[32]anaerobicattachedfilmexpandedbed2148104[33]UASB3107104[34]expandedgranularsludgebedreactor1120104[35]sequencingbatchanaerobicbiologicalfluidizedbed11671041126104[36],UASB[4],,UASB,[5],;ABR,,,,,,,,,2;ABR,,,,,,ABRABR,ABR3(1)ABR,,=1-mm+mi=11K2iXimmi=1K2iXi,,m,(2)ABR(1192104Jmol-1),AE,Jmol-1Gii,mlL-1d-1K2,LgVSS-1d-1K2ii,LgVSS-1d-1kmQ,Ld-1R,81314Jmol-1K-1Seii,mgL-1S0,mgL-1T,Ktii,dX,gVSSL-1,%,dReferences[1]BachmannA,BeardVL,McCartyPL1Performancecharacteristicsoftheanaerobicbaffledreactor1WaterResearch,1985,19(1):992106[2]HuangYongheng(),WangJianlong(),WenXianghua(),QianYi().Characteristicsandperformanceofananaerobicbaffledreactor1ChinaWater&Wastewater(),1999(7):18220[3]GrobickiA,StuckeyDC1Hydrodynamiccharacteristicsoftheanaerobicbaffledreactor1WaterResearch,1992,26(3):3712378[4]BarberWP,StuckeyDC1Theinfluenceofstart2upstrategiesontheperformanceofananaerobicbaffledreactor1EnvironmentalTechnology,1998,19(5):4892501[5]BarberWP,StuckeyDC1Theuseoftheanaerobicbaffledreactor(ABR)forwastewatertreatment:areview1WaterResearch,1999,33(7):155921578[6]BalochMI,AkunnaJC,CollierPJ1Theperformanceofaphaseseparatedgranularbedbioreactortreatingbrewerywastewater1BioresourceTechnology,2007,98(9):184921855[7]LiuXL,RenNQ,WanCL1Hydrodynamiccharacteristicsofafour2compartmentperiodicanaerobicbaffledreactor1JournalofEnvironmentalSciences2China,8162602007,19(10):115921165[8]FengH,HuL,ShanD,FangC,HeY,ShenD1Effectsofope