处理造纸废水的EGSB反应器内颗粒污泥特性李江

711Vol．7No．11201311ChineseJournalofEnvironmentalEngineeringNov．2013EGSB11*11TonnySchuit21.4000452.EGSB、。3d。COD。TS123±4g/LVS75±3g/LVS/TS61±3%。COD723mg/L449mg/L。0.32±0.03gCOD/gVSSd112mLCH4/gVSSd。169μm145μm2.6。EGSB。EGSBTU992A1673-9108201311-4255-04Granulesludgecharacteristicsoffull-scaleEGSBreactortreatingpaper-milleffluentsLiJiang1HeQiang1SunXingfu1HuCheng1TonnySchuit21.KeyLaboratoryoftheThreeGorgesＲeservoirＲegion’sEco-EnvironmentMinistryofEducationChongqingUniversityChongqing400045China2.SectionSanitaryEngineeringDelftUniversityofTechnologyPOBox5048DelftTheNetherlandsAbstractTheobservationsofsolidsconcentrationsgranulemorphologyandspecificmethanogenicactivitySMAwereusedtoinvestigatethesludgecharacteristicsalongtheheightoffull-scaleexpandedgranularsludgebedEGSBreactortreatingpaper-milleffluents．TheautomatedmethanetestsystemwasemployedtotestSMAduring3days．TheresultsshowedthatthesolidsconcentrationofsludgedecreasedandtheVS/TSwasconstantwithincreasingofheightsalongEGSBreactor．TheaveragevaluesofTSVSandVS/TSofsludgewere123±4g/L75±3g/L61±3%respectively．ThesolubleCODdecreasedfrom723to449mg/L．AndtheaveragevalueofSMAwas0.32±0.03gCOD/gVSSd112mLCH4/gVSSd．Theaverageequivalentdi-ametersofgranulefrombottomandtopwere169and145μmintheshapeofanellipsoid．TherewasnoobviousdifferenceamongthesludgecharacteristicsintermsofsolidsconcentrationsgranulemorphologyandSMAbe-causeofhighup-flowvelocity．Keywordssludgecharacteristicsfull-scaleEGSBreactorpaper-millwastewater2012－07－082012－09－021982～。[e-mail]*[e-mail]、12、COD3-5。6-910%～15%9、。。10、。UASBMahmud11UASBTSVS40%VS/TS。An12TSSVSSUASB7。13UASBEGSB。。、EGSB。11.1EGSBEGSB35～37℃19.0mHＲT5～7h150m3/h。EGSB1.5、3.5、5.0、6.58.0m8%、18%、26%、34%42%。0～4℃。1.2pH、TS、VS、TSSVSS143。CODCODMerck2。COD3500r/min5min0.45μmCOD。XL30-ESEMPhilipsLeicaM205FA。。specificmethanogenicactivitySMAAMPTSIBioprocessControl1。640mL400mL。。CO2、H2S。pH15。1Fig.1Automatedmethanepotentialtestsystem22.12EGSB。。TSVS129±279±2g/L119±573±4g/LMahmoud11。TS123±4g/LVS75±3g/LVS/TS61±3%。。2Fig.2ProfilesofsolidsconcentrationandorganicmatterconcentrationalongheightofEGSBreactor2.2SMASMA。SMA1。0、101.325kPaSMA0.32±0.03gCOD/gVSS·d112mLCH4/gVSS·d。SMA。SMA。652411EGSB。2.3CODCOD723mg/L449mg/L3。Uemura16。COD、COD。3SCODFig.3SolubleCODconcentrationsalongheightsofreactors1EGSBTable1SMAalongheightsofEGSBreactor%SMAＲ2SMAgCOD/gVSS·d812y=0.163x－0.032y=0.186x－0.034y=0.017x－0.0010.9860.9840.8380.310.350.030.301812y=0.215x－0.062y=0.174x－0.041—0.9910.985—0.40.3300.362612y=0.161x－0.036y=0.191x－0.038—0.9830.978—0.30.3600.333412y=0.180x－0.039y=0.176x－0.043—0.9820.979—0.340.3300.334212y=0.168x－0.043y=0.193x－0.048y=0.029x－0.0110.9840.9850.8360.320.360.050.28“—”。2.445。EGSB169μm145μm2.61。17。5。。4EGSBFig.4ImagesofsludgefromleftthebottomofEGSBreactorrightthetopofEGSBreactor752475a．b．c．d．Fig.5Outsidea．bottomb．topandinsidec．bottomd．topimagesofsludge3EGSB1COD。2。3EGSB。1PerryL．M．Anaerobicwastetreatmentfundamentals．Pub-licWorks1964959107-1122VanLierJ．B．TilcheA．AhringB．K．etal．Newper-spectivesinanaerobicdigestion．WaterScienceandTech-nology20014311-183．EGSB．201127991-94DongC．J．WangH．H．ChenS．Y．etal．StartupexperimentalresearchofEGSBreactorfortreatmentofco-kingwastewater．ChinaWater＆Wastewater201127991-94inChinese4LinJ．G．ChangC．N．ChangS．C．Enhancementofan-aerobicdigestionofwasteactivatedsludgebyalkalinesolu-bilization．BioresourceTechnology199762385-905AppelsL．BaeyensJ．DegreveJ．etal．Principlesandpotentialoftheanaerobicdigestionofwaste-activatedsludge．ProgressinEnergyandCombustionScience2008346755-7816ＲajeshwariK．V．BalakrishnanM．KansalA．etal．State-of-the-artofanaerobicdigestiontechnologyforindus-trialwastewatertreatment．ＲenewableandSustainableEn-ergyＲeviews20004135-1567．．2001224114-116ZhangZ．J．ZhouW．L．LinＲ．C．Full-scaleexperi-mentoncorn-ethanolproductionwastewatertreatmentwiththethermophilicEGSBreactor．EnvironmentalScience2001224114-116inChinese8TchobanoglousG．BurtonF．L．StenselH．D．WastewaterEngineeringTreatmentandＲeuse．NewYorkMcGraw-HillScienceEngineering20039VanLierJ．B．High-rateanaerobicwastewatertreatmentDiversifyingfromend-of-the-pipetreatmenttoresource-ori-entedtechniques．WaterScienceandTechnology20085781137-114810．．2010481729-1734LiuY．H．ZhouX．D．TanH．N．etal．Studyandapplicationofassessmentparametersforanaerobicgran-ulesinpractice．ChineseJournalofEnvironmentalEngi-neering2010481729-1734inChinese11MahmoudN．ZeemanG．GijzenH．etal．Anaerobicsewagetreatmentinaone-stageUASBreactorandacom-binedUASB-Digestersystem．WaterＲesearch20043892348-235812AnY．Y．YangF．L．BuccialiB．etal．MunicipalwastewatertreatmentusingaUASBcoupledwithcross-flowmembranefiltration．JournalofEnvironmentalEngi-neering2009135286-9113．UASBEGSB．200065473-476ZhouH．B．ChenJ．ＲenH．Q．etal．Comparativeonthebiologicalcharacteristicsofanaerobicgranularslud-gesfromUASBandEGSBreactors．ChineseJournalofAppliedandEnvironmentalBiology200065473-476inChinese14APHA．StandardMethodsfortheExaminationofWaterandWastewater．WashingtonAmericanPublicHealthAssociation200515AngelidakiI．AlvesM．BolzonellaD．etal．DefiningthebiomethanepotentialBMPofsolidorgan