常低温下EGSB处理生活污水的影响因素研究耿炤宇

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EGSB1211.0300242.03000915~26℃EGSB、、Vup、。26℃9~11L/h1.6~2.5COD90%15~24L/h0~0.6COD84%30L/hCOD77%9、11、15、24、30L/hVup4.0、3.1~3.6、2.7~3.4、3.03.8m/hCOD90%、87%~89%、83%~84%、83%77%15~24L/hHRT0.5~0.8h。15~26℃EGSB15~24L/h、Vup3.0m/h0~0.6COD81.9%。EGSBX703C1000-4602201007-0054-052007031104-10702006InfluencingFactorsofDomesticSewageTreatmentbyEGSBatAmbientandLowTemperatureGENGZhao-yu1DONGChun-juan2WANGZeng-zhang11.CollegeofEnvironmentalScienceandEngineeringTaiyuanUniversityofTechnologyTaiyuan030024China2.DepartmentofEnvironmentalEngineeringTaiyuanUniversityTaiyuan030009ChinaAbstractEGSBwasusedtotreatdomesticsewageat15to26℃.Theeffectsofinfluentflowrecycleratioliquidup-flowvelocityVupandtemperatureonthetreatmentefficiencywereinvestigated.Theresultsshowthatataround26℃highrecycleratioof1.6to2.5andlowinfluentflowof9to11L/hresultinthehighestCODremovalrateof90%whilelowrecycleratioof0to0.6andhighinfluentflowof15to24L/hleadtothehighestCODremovalrateof84%.Whentheinfluentflowincreasesto30L/hanyrecycleflowisnotsuitableandtheCODremovalratedecreasesto77%.Forthevariedinfluentflowsof9111524and30L/htheoptimalVupis4.03.1to3.62.7to3.43.0and3.8m/handCODremovalratesare90%87%to89%83%to84%83%and77%respectively.Theopti-malinfluentflowandHRTare15to24L/hand0.5to0.8hwithoutrecycleflow.At15to26℃theoptimaloperationconditionsoftheEGSBareinfluentflowof15to24L/hVupof3.0m/handrecycleratioof0to0.6.ACODremovalrateofabove81.9%canbeattained.·45·26720104CHINAWATER&WASTEWATERVol.26No.7Apr.2010KeywordsEGSBreactordomesticsewagetemperatureinfluentflowliquidup-flowvelocityrecycleratio1999200755.7%。UASBEGSB1。EGSB2EGSB3。EGSB、4。EGSB、、Vup、EGSB。11.1EGSB2.3m18L1.8m10cm12L。1。1Fig.1SchematicdiagramofexperimentalsetupEGSB。。1.2EGSB34~36g/LMLSSMLVSS/MLSS0.74~0.80。1.3pH7.4~8.1COD、、NH3-NSS88~952、146~391、11.5~49.2、50~320mg/L。1.4COD、NH3-N、SS、、MLSS、MLVSSpHPHS-3CMarriotte5。1.5①EGSB26℃、、COD②15~26℃EGSB。22.126℃EGSB9、11、15、2430L/hCOD1。1CODTab.1InfluenceofrecycleratiosonremovalofCOD/L·h-1Vup/m·h-1/%93.04.6812.84.3872.54.0902.03.4891.63.0861.22.5831.02.378112.04.2791.83.9871.63.6891.23.1881.02.8850.62.276·55·.watergasheat.comEGSB2671Continued/L·h-1Vup/m·h-1/%151.24.2741.03.8800.83.4830.63.0840.42.7830.12.17801.977240.44.2730.34.0770.23.68103.083300.24.6650.14.26703.8771CODCODCOD。9~11L/h1.6~2.5COD90%15~24L/h0~0.6COD84%30L/hCOD77%。2.2EGSB。。26℃9、11、1524L/hCOD。VupCOD。9、11、15、24L/hVup4.0、3.1~3.6、2.7~3.43.0m/hCOD90%、87%~89%、83%~84%83%。EGSBVup、Vup。VupCOD。。Vup。Vup、、。Vup1。19、11、1524L/hVup4.3、3.9、3.83.6m/hCOD90%、89%、84%83%87%、87%、80%81%。VupEGSBVup4.6、4.2、4.24.2m/hCOD81%、79%、74%73%。30L/hHRT0.4hEGSB77%COD。Vup3.8m/h。0.1COD77%67%。2.3HRTEGSB。11、12、15、2430L/hEGSB2。211L/hCOD86%COD24L/hHRT0.5h34.61kgCOD/m3·dCOD·65·267.watergasheat.com83%30L/hCOD77%。。26℃、EGSB24L/hHRT0.5hHRT15~24L/h0.5~0.8h。2CODTab.2RemovalefficiencyofCODatdifferentinfluentflow/L·h-1HRT/hCOD/mg·L-1/kgCOD·m-3·d-1COD/%111.1131~3982.88~8.7686121.0398~6109.54~10.6484150.8367~81311.01~24.3984240.588~7214.22~34.6183300.4136~9526.53~57.12772.415~26℃EGSBVup2.12.23。3CODTab.3InfluenceoftemperatureonremovalefficiencyofCOD/℃/L·h-1Vup/m·h-1COD/%26150.63.083.915150.63.081.4262403.082.7152403.081.92691.63.0861591.63.0751592.64.2793COD。15~24L/h26℃15℃COD81.4%~83.9%9L/h26℃15℃COD86%75%Vup4.2m/hCOD79%。1526℃EGSB15、30℃26、30℃2。226℃2630℃15℃1530℃。15℃。2Fig.2Influenceoftemperatureonmethanogenicactivityofgranules、EGSB①EGSB②③。EGSBVup。9L/hCOD。EGSB15~26℃15~24L/h、Vup3.0m/h0~0.6COD81.9%。3①EGSB26℃9~11L/h1.6~2.5COD90%15~24L/h61·75·.watergasheat.comEGSB267200/m31400~2500/m350%750W0.14~0.28kW·h/m330%1000~1500/t0.2/m30.5/m3630%。3①50dCOD、NH+4-N、TN、TP50、5.0、5.0、1.0mg/LGB18918—2002AGB3838—2002Ⅳ。②50%30%30%。1.J.2006222014-17.2.“”J.2009251237-39.3.J.200730529-33.4.J.2006315118-119.5.J.200528689-90.6.J.2008331107-109.13794906262E-mailcaixunj2004@163.com櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2009-10-12570~0.6COD84%30L/hCOD77%9、11、15、24、30L/hVup4.0、3.1~3.6、2.7~3.4、3.03.8m/hCOD90%、87%~89%、83%~84%、83%77%Vup4.3、3.9、3.8、3.63.8m/h。15~24L/hHRT0.5~0.8h。②15~26℃EGSB15~24L/h、Vup3.0m/h、0~0.681.9%COD。1LiXMGuoLYangQetal.Removalofcarbonandnu-trientsfromlowstrengthdomesticwastewaterbyexpandedgranularsludgebed-zeolitebedfiltrationEGSB-ZBFintegratedtreatmentconceptJ.ProcessBiochem20074281173-1179.2SeghezzoLZeemanGvanLierJBetal.AreviewtheanaerobictreatmentofsewageinUASBandEGSBreactorJ.BioresourTechnol1998654175-190.3ScullyCCollinsGO’FlahertyV.Anaerobicbiologicaltreatmentofphenolat9.5-15℃inanexpandedgranu-larsludgebedEGSB-basedbioreactorJ.WaterRes200640203737-3744.4ChuLBYangFLZhangXW.Anaerobictreatmentofdomesticwastewaterinamembrane-coupledexpandedgranularsludgebedEGSBreactorundermoderatetolowtemperatureJ.ProcessBiochem2005403-41063-1070.5ZengAPDeckwerWD.BioreactiontechniquesundermicroaerobicconditionsfrommolecularleveltopilotplantreactorsJ.ChemEngSci199651102305-2314.E-mailzhygeng@sina.com2009-10-15·16·.watergasheat.com267

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