EGSB反应器处理焦化废水的颗粒污泥反应动力学研究汪艳霞

85Vol．8No．520145ChineseJournalofEnvironmentalEngineeringMay2014EGSB11*231.0300322.0300093.030024EGSBEGSBEGSBCOD。COD2000mg/LEGSBvmax、KI、KS、vmax/KS、KS/KI7.34×10－3h－1、197.76mg/L、19.53mg/L、3.7×10－4L/h·mg、0.102.4×10－2h－1、66.64mg/L、44.07mg/L、5.4×10－4L/h·mg、0.66EGSBKS/KIKS/KIEGSBKS/KI0.04～0.10.66～0.74VupvmaxKSKIEGSBCOD92.7%。VupKIX703A1673-9108201405-1921-06KineticsresearchofgranulesinEGSBreactortreatingcokingwastewaterWangYanxia1DongChunjuan1GengZhaoyu2ZhaiWei31.DepartmentofEnvironmentEngineeringTanyuanUniversityTanyuan030032China2.TanyuanCityandTownManageCommitteeDrainageManageDepartmentTaiyuan030009China3.SchoolofChemistryandChemicalEngineeringTanyuanUniversityofTechnologyTanyuan030024ChinaAbstractToresearchtheremovalmechanismofthepollutantsinthemicro-aerobicEGSBreactortreatingcokingwastewaterthedynamicmodelsforthedegradationofpollutantsintheEGSBreactortreatingcokingwastewaterwerefounded．MoreovertheCODremovalofthemicro-aerobicEGSBreactorforthestart-upandstableoperationstagewasstudiedandsynchronouslydynamicsconstantswereanalyzed．Theresultsconfirmedthesuitablepollutants-utilizationdynamicmodelforthestartupandthestableoperationstageofthemicro-aerobicEGSBreactortreatingactualcokingwastewaterwithabout2000mg/LinfluentCODconcentration．Thedy-namicsconstantvaluesofvmax、KI、KSvmax/KS、KS/KIforthestartupandthestableoperationstagewere7.34×10－3h－1197.76mg/L19.53mg/L3.7×10－4L/h·mg0.10and2.4×10－2h－166.64mg/L44.07mg/L5.4×10－4L/h·mg0.66respectively．Thegranulesinthemicro-aerobicEGSBreactorcouldgrad-uallyadaptandthenhighlyefficientlyremovethepollutantsintheactualcokingwastewater．Theinhibitoryex-tentofthetoxicorinhibitorycompoundsonthegranuleswasdecidedbyKS/KIandtheinhibitoryextenttendedtoweakenasKS/KIwasincreased．TheKS/KIvaluesforthestartupandstableoperationstageofthemicro-aero-bicEGSBreactorwere0.04～0.1and0.66～0.74respectively．Increasingtheliquidup-flowvelocityVupcouldmakethemaximumspecificsubstrateremovalratevmaxincreasingthehalf-saturationcoefficientKSandin-hibitorconstantKIdecreasingandthusstrengthentheoperationeffectofthemicro-aerobicEGSBreactor．TheCODremovalefficiencyofthemicro-aerobicEGSBreactoratthestableoperationstagecouldattain92.7%．Keywordscokingwastewatergranuleskineticsliquidup-flowvelocityVupinhibitorconstantKI2011011008-320120313008-22013－04－132013－05－241978～。[e-mail]*[e-mail]。81-4Monodμ=μmaxSKS+Sμ、μmaxKs。S0－Set=vmaxXSeKS+SeXtS0－Se=1vmax+KSvmax1Se1S0Se。Hal-dane、5-8μ=μmaxSS+KS+S2KIKi。S0－Set=vmaxXSeKS+Se+S2e/KI2SKSXtS0－Se=1KIvmaxSe+1vmax3。μmax、KSKIμmax、KSKI9-11。EGSB12。μmax、KSKI1213。EGSB。EGSBEGSBEGSB。11.1EGSB2.3m18L。1.8m10cm12L1。EGSB。EGSB。OＲPEGSB。1EGSBFig.1SchematicdiagramoftheexperimentalEGSBreactor1.2EGSB。21.1g/LMLSSMLVSS/MLSS0.640.75g/g·dgCODCOD。1.3COD、NH3-N2000mg/L、70～210mg/L150～500pH6.5～8.1。1.422915EGSBEGSBCOD2000mg/LEGSB。HＲT15、12、108hCODVupXCOD。。。1.5COD14。22.1CODEGSBCOD1。2.2EGSBHaldane13XtS0－Se=1KIvmaxSe+1vmaxEGSB2。VupXvmax=2.65×10－3h－1KI=415.82mg/LKS=39.57mg/LvmaxKS=6.7×10－5L/h·mgKSKI=0.10Vupvmax=7.34×10－3h－1KI=197.76mg/LKS=19.53mg/LvmaxKS=3.7×10－4L/h·mgKSKI=0.10VupXvmax=9.35×10－3h－1KI=162.81mg/LKS=6.38mg/LvmaxKS=1.47×10－3L/h·mgKSKI=0.04。1EGSBTable1Operationofmicro-aerobicEGSBreactorforvariedstagesVupm/hHＲThCODmg/LS0Se%XtS0－Se1Se6.31VupVup、X1512108151210815121081845.501709.751750.251843.251845.501709.751750.251843.251845.501709.751750.251843.25977.00781.50713.50659.25797.75675.75501.25466.50773.14666.23471.94438.1647.154.359.264.256.860.571.474.758.161.073.076.2493.96369.73275.86193.24409.45331.91228.98166.19400.05328.89223.73162.84\\\6.30Vup151210815121081973.231789.372012.361876.531973.231789.372012.361876.53566.32424.08408.51350.91368.99295.25211.30136.9971.376.379.781.381.383.589.592.7304.92251.38178.32149.97267.42229.70158.80131.530.00180.00240.00240.00280.00270.00340.00470.0073329182EGSBFig.2Kineticconstantsforthemicro-aerobicEGSBreactoratstartupstage3EGSBVupKIKSvmax。Vup。EGSBCODVupCOD64.2%HＲT=8hVup74.7%。EGSBVupCOD、。Xvmax7.34×10－3→9.35×10－3KS19.53→6.38vmaxKSEGSBCOD76.2%92.7%。2.32。1Monod11XtS0－Se=1vmax+KSvmax1SeEGSBVup3。3EGSB3Fig.3Kineticconstantsforthemicro-aerobicEGSBreactoratsteadyoperationstageVupvmax=1.76×10－3h－1KS=259.28mg/LvmaxKS=6.79×10－6Vupvmax=3.05×10－3h－142915EGSBKS=87.91mg/LvmaxKS=3.47×10－5。2Haldane。3XtS0－Se=1KIvmaxSe+1vmaxEGSBVup4。4EGSBFig.4Kineticconstantsforthemicro-aerobicEGSBreactoratsteadyoperationstageVupvmax=1.1×10－2h－1KI=125.29mg/LKS=92.20mg/LvmaxKS=1.2×10－4KSKI=0.74Vupvmax=2.4×10－2h－1KI=66.64mg/LKS=44.07mg/LvmaxKS=5.4×10－4KSKI=0.66。EGSB132000mg/LCOD13EGSB。MonodHaldaneEGSB。COD2000mg/Lμ15。MonodvmaxvmaxKS。HaldanevmaxvmaxKS。KIKI。HaldaneEGSB。KS。KSKS。KSvmaxvmaxKSKSKI。vmaxKS=1.47×10－3－3.7×10－4KSKI0.04～0.1EGSBvmaxKS529185.4×10－4－1.2×10－4KSKI0.66～0.74COD76.2%92.7%。COD1000mg/L500mg/LMonod1Haldane2。31COD2000mg/LEGSBS0－Set=vmaxXSeKS+Se+S2e/KI。2EGSBvmax、KI、KS、vmaxKS、KSKI7.34×10－3、197.76、19.53、3.7×10－4、0.10vmax、KI、KS、vmaxKS、KSKI2.4×10－2、66.64、44.07、5.4×10－4、0.66。3EGSBKSKIKSKI。EGSBKSKI0.04～0.1KSKI0.66～0.74。4VupvmaxKsKIEGSBCOD92.7%。1Z．Lewandowsky．BehaviourofBiologicalreac