UASB反应器处理造纸废水不同高度的污泥特性

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3212201212ActaScientiaeCircumstantiaeVol.32No.12Dec.20121982—E-maillijiang0808@126.com*E-mailhq0980@126.comBiographyLIJiang1982—malePh.D.candidateE-maillijiang0808@126.com*CorrespondingauthorE-mailhq0980@126.comHenriSpanjers.2012.UASBJ.32122929-2934LiJHeQHenriSpanjers.2012.Sludgecharacteristicsalongtheheightoffull-scaleUASBreactortreatingpaper-milleffluentsJ.ActaScientiaeCircumstantiae32122929-2934UASB李江1,何强1,*,HenriSpanjers21.4000452.2012-02-242012-04-052012-04-17UASBUASB7.2m、.VS、TS、VSS、TSS2.20m.1.20m3.45mCOD900mg·L-1.1.20mVS/TSTS136g·L-1VS75g·L-10.16g·g-1·d-1gVSSCOD308μm.UASB.UASB0253-2468201212-2929-06X703ASludgecharacteristicsalongtheheightoffull-scaleUASBreactortreatingpaper-milleffluentsLIJiang1HEQiang1*HenriSpanjers21.KeyLaboratoryoftheThreeGorgesReservoirRegion'sEco-EnvironmentMinistryofEducationChongqingUniversityChongqing4000452.SectionSanitaryEngineeringDelftUniversityofTechnologyDelftReceived24February2012receivedinrevisedform5April2012accepted17April2012AbstractTheobservationsofsludgestabilitygranulemorphologyandspecificmethanogenicactivitySMAwereusedtoinvestigatethesludgecharacteristicsalongtheheightoffull-scaleupflowanaerobicsludgebedUASBreactortreatingpaper-milleffluents.TheresultsshowedthatthesolidsconcentrationofsludgedecreasedandthenstabilizedwithincreasingheightsalongUASBreactor.HighersolubleCODconcentrationmorethan900mg·L-1ofsludgewasobtainedat1.20mand3.45moftheUASBreactor.IntermsoftheratioofVS/TSSMAandmorphologycharacteristicsofsludgethesludgefrom1.20mofUASBreactorwasmorestableVS/TSas50%andhadhigherSMA0.16g·g-1·d-1asamountofCODinpergramVSSandbiggergranuleaverageequivalentdiameteras308μmthanthatofotherplacesofthereactor.Thesludgealongtheheightoffull-ScaleUASBreactorhadsignificantdifferenceingranulemorphologybuthadclosespecificmethanogenicactivity.Keywordssludgecharacteristicsspecificmethanogenicactivityfull-scaleUASBreactorpaper-millwastewater1IntroductionUpflowAnaerobicSludgeBedUASB、vanLier2008.UASB3000、、Tchobanoglousetal.2003vanLier2008Habetsetal.198510%~15%vanLier2008.UASB24~27℃vanHaandeletal.1994.5~20℃UASB.32LettingaandHulshoffPol1991UASB.UASBUASBUASBUASB.Mahmoud2004CODCOD66%87%UASB20%UASB47%.UASB..UASB.Mahmoud2004UASB40%VS/TS.An2009UASB.UemuraHarada2000UASBCODCOD.Mahadevaswamy2004UASBpH.UASBUASB.、UASB.UASB.2Materialsandmethods2.1.UASBEGSB1.UASB7.2m35~37℃6h40m3·h-1.UASB1.20、1.95、2.203.45m2.0~4℃.1Fig.1SchematicprocessoftheWWTP2UASBmFig.2SamplingportsinUASBreactorunitm2.2pH、TotalSolidsTS、volatileSolidsVS、TotalSuspendedSolidsTSSvolatileSuspendedSolidsVSSAPHA20053.CODCODMerck.COD3500r·min-1HeraeusLabofuge400ThermoScientific5min0.45μmMilliporeCOD.pHpH197-sWTW.XL30-ESEMPhilipsLeicaM205FA.SpecificMethanogenicActivity039212UASBSMAAMPTSⅠBioprocessControl3.640mL400mL..CO2、H2S.3Fig.3AutomatedmethanepotentialtestsystempHAngelidaki2008Angelidakietal.2009Tatianaetal.2010Leitaoetal.2009.pHK2HPO4·3H2O0.2mol·L-1NaH2PO4·2H2O0.2mol·L-1NH4Cl170g·L-1、CaCl2·2H2O8g·L-1MgSO4·7H2O9g·L-1FeCl3·4H2O2g·L-1、CoCl2·6H2O2g·L-1、MnCl2·4H2O0.5g·L-1、CuCl2·2H2O30mg·L-1、ZnCl250mg·L-1、HBO350mg·L-1、NH46Mo7O2·4H2O90mg·L-1、Na2SeO3·5H2O100mg·L-1、NiCl2·6H2O50mg·L-1、EDTA1g·L-1.ExtracellularPolymericSubstancesEPSSolubleMicrobialProductsSMPBoundEPSeEPSSatyawalietal.2008.12000gSorvallRC5BPluscentrifuge15min0.45μmSMPGaoetal.2010.0.9%NaCl100℃1heEPSChangetal.1998Satyawalietal.2008Zhangetal.2010.3Results3.1UASB4.TSVS1.20m136、75g·L-13.45m113、67g·L-12.20m.TSSVSSTSVS.VS/TSVSS/TSS1.20m60%1.20m50%1.20m1.20m.4Fig.4ProfilesofTSVSTSSandVSSalongtheheightofUASBreactorpH7.00.COD1.20m945mg·L-12.20m785mg·L-1UemuraHarada2000.3.45m955mg·L-1.3.20℃1atmNL3d1.1.20m0.16g·g-1·d-1gVSSCOD1UASBTable1CumulativemethaneproductionandSMAalongtheheightsofUASBreactor/m*/NLSMA/g·g-1·d-11.200.250.161.950.210.122.200.240.123.450.240.14*SMAgVSSCOD.1392320.13g·g-1·d-1.1.20m.3.3UASB1.20m2505.5..5UASBabFig.5OutsideaandinsidebimagesofsludgefromthebottomofUASBreactor1.20m3.45m6.6UASB2mm220、308μm6.7、2.31.1.20m.1.20m3.45mEPS90mg·g-1gMLSSVS.6UASB1.20ma3.45mbFig.6Imagesofsludgesfroma1.20mofUASBreactorandb3.45mofUASBreactor4Discussion4.1Mahmoud2004An2009.Mahmoud2004UASB37g·L-1、27g·L-115g·L-1、11g·L-140%VS/TS73%.An2009UASB30.62g·L-1、22.01g·L-111.99g·L-1、8.27g·L-1VS/TS70%.UASBUASB.UASB3sludgebed、sludgeblanketBolle239212UASBetal.1986a.Bolle1986bLi+UASB.2.20m.4.2UASBUASB.1.20m3.45m2.20m1.20m2.20m.Mahmoud200440%40%.4.3UASBLettingaetal.1991.CO2CO2CO2-3Ca2+CaCO3CaCO3.Batstone2002UASB1805m30.5~1.5mm0.98mm400~700g·m-3.Abreu2007..Batstone20020~200μm、..Conrad200020mmol·L-1.Angelidakietal.2009pH.4.4UASBBatstoneKeller2001UASBUASB.3Batstoneetal.2002.Ca2+、、Ca2+7%、1.1%、0.2%0.7%Ca2+.5Conclusions、UASB7.2m.TSVSTSSVSS1.20mVS/TSVSS/TSS1.20m50%COD3.45m2.20m2.20m3.45m1.20m1.20m0.16g·g-1·d-1gVSSCOD0.13g·g-1·d-1UASB.感谢代尔夫特理工大学卫生工程系HaleOzgun和MustafaEvrenErsahin两位博士生对论文实验的帮助,感谢JulesB.vanLier教授对论文的指导.3392321965—.E-mailhq0980@126.com.ReferencesAbreuAACostaJCAraya-KroffPetal.2007.QuantitativeimageanalysisasadiagnostictoolforidentifyingstructuralchangesduringarevivalprocessofanaerobicgranularsludgeJ.WaterResea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