UASB工艺处理高浓度制革废水的研究马兴元

205201010LEATHERSCIENCEANDENGINEERINGVol.20No.5Oct．20101004-7964201005-0051-04UASB*[e-mail]。35～38℃UASB50dCODCOD5575mg/L91.6%CODCODCOD10000mg/LCOD85%UASB、。UASBX794AStudyontheTreatmentofHighDensityTanneryEffluentbyUASBProcessMAXing－yuan*YUMeiLVLing－yunYUNingNIUYan－fangCollegeofResource＆EnvironmentShaanxiUniversityofScienceandTechnologyXi’an710021ChinaAbstractThetanneryeffluentwastreatedwithUASBprocesstheUASBreactorandtheanaerobicdegradationoftheor-ganiccompoundshavebeenstudied．Inadditiontheshapeofanaerobicgranularsludgewasobservedbythemultimediami-croscopeandthedistributionoftheorganicacidwasdeterminedbythegaschromatographicinstrumentintanneryeffluent．TheresultdemonstratesthatthelaboratorialUASBreactorcouldbestartedupsuccessfullywithin50dayswhenusinganae-robicsludgeasseedsundermesosphericconditionsabout35－38℃．TheCODremovalratebecomeshigherwiththein-creaseofinfluentCODitreaches91.6%withinfluentCODof5575mg/L．OnthecontrarytheremovalratedecreasesgraduallyasinfluentCODincreasinganditreaches85%withinfluentCODof10000mg/L．Themacromoleculeorganiccompoundsintanneryeffluentaredegradedintothesmallmolecularorganicacidsbytheacid－producingbacteriaatthebottomofUASBreactorincludingaceticacidthemostandthenpropanoicacidisobutyricacidandisovalerate．ThesmallmolecularorganicacidsaredegradedintoCH4andCO2bythemethanogenusthroughtheentiresludgebeds．KeywordstanneryeffluentanaerobicprocessupflowanaerobicsludgeblanketUASBgranularsludge1COD5000～8000mg/LS2－400～500mg/L700mg/L12－4。。100。UASB、EGSB、SMPA、ABR、ASBR、LARAN、。5220、、5－8。9－11。22.12.1.1VSS120.768g/L。FS、2GB、SE、。。2.1.2Agilent6890、CODDR/2010、OLYMPUSCH30、UASBJK－020。2.211Fig.1Schematicdiagramoftheexperimentalset－upUASB1.95m0.4m1.55m28L。。9。。2.32.3.15g60g2L100g40℃2g2gFS0.2g2GB0.15gSE0.73g0.5g2gpH7.2COD。。2.3.2114UASB36℃。2UASB35～38℃。UASB1℃/4hUASB36±1℃。3。2h1h、、。1752mL/h。。COD764.05mg/L、1215.7mg/L、1888.92mg/L、5575mg/L、6248.88mg/L、8268.48mg/L10033.6mg/L。。2.3.3COD、pHpH。2.3.410∶15UASB53。。。。2.3.5UASB。Agilent6890。SUPELCOWAX1030m0.53mm0.5μm。。3.5mL/min。1μL。。105℃2min180℃7min1min10℃0.5min1μL5min。33.1COD、pH2、34。2CODFig.2ThechangeofinfluentandeffluentCOD3Fig.3Accumulativetotaloutputofmethane4pHFig.4ThechangeofInfluentandeffluentpHvalue2、34CODCOD10000CODCODCODCODCOD10000COD。。pHpH50d。3.2UASB、、。5400xFig.5Theshapeofgranularsludge61000xFig.6Theshapeofzoogloea542074000xFig.7Theshapeofgranularmethanebacterium81000xFig.8Theshapeofanaerobicmicrobe5。0.2～3.0mm1.5mm4mm。6。74000。。8、。3.3UASBUASB9。9UASB。、、、、。9COD=10033.6mg/LFig.9OrganicacidineachofheightofUSABreactorCOD=10033.6mg/L396。UASB、、。。UASB、、。。4UASB50d60602023．J．200729235－38．24JanssenPMJRulkensWHRiesenkJHVanderRoestHF．ThePotentialforMetazoainBiologicalWastewaterTreatmentJ．WQI19989－1025－27．25BZWangAstudyonsimultaneousorganicandnitrogenremovalbyextendedaerationsubmergedbiofilmprocessJ．WatSciTech1991245197－214．26GhyooyWVerstraeteW．Reducedsludgeproductioninatwo－stagemembrane－assistedbioreactionJ．WaterRes2000341205－215．27RensinkJHRulkensWH．UsingmetazoatoreducesludgeproductionJ．WatSciTech1997361l171－179．28LowEWChaseHA．Reducingproductionofexcessbi-omassduringwastewatertreatmentJ．WaterResearch19993351119－1132．29StrandFukaseTYsuiHetal．AnactivatedsludgeprocesswithoutexcesssludgeproductionJ．WatSciTech19973611163－170．30．J．200319125－27．31DawsonRMCElliotDCElliotWHJonesKM．DataforBiochemicalResearch．3rdEdition．UKOxfordsci-encePublishers．1986．117－129．32BiocopeInc．MunicipalWastewaterTreatmentwithBio-copeMulti－EnzymeProduct．CompanyLiterature1998．33GreenP．LowsludgeProducingSTWsJ．InternalCom-munication1998．232－242．34LeeNMandWelanderT．ReducingsludgeProductioninAerobicWastewaterTreatmentThroughManipulationoftheEcosystemJ．WaterResearch19963081781－1790．35ScheminskeAKrullRHempelDC．OxidativetreatmentofdigestedsewagesludgewithozoneJ．WaterScienceandTechnology2000429151－158．36SakaiYFukaseTYasuiHShibataM．AnactivatedsludgeprocesswithoutexcesssludgeproductionJ．WatSciTech19973611163－170．37KamiyaTHirotsujiJ．Newcombinedsystemofbiologi-calprocessandintermittentozonationforadancedwasteswatertreatmentJ．WaterScienceTechnology1998388－9檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹檹145－153．54。COD91.6%85%。1．J．20053453536．2．J．200410121－23．3．J．200323151－52．4AndreBachmanVirbiniaLBeardPerryLMc－Carty．Perfornancecharacterlisticsoftheanaerobicbaffledreac-tor．WaterRes1985．5．J．2003321931－36．6WilliamPBarberDavidCStuckey．Startupstrategiesforanaerobicbaffledreactorstreatingsyntheticsucrosefeed．Proc8thInternationalConfonAnaerobicDigestion1997．7GrobickiAStuckeyDC．Performanceoftheanaerobicbaffledreactorundersteady－stateandshockloadingconditions．Biotech．andBioeng．1991344－355．8NachaiyasitSStuckeyDC．EffectoflowtemperaturesontheperformanceofananaerobicbaffledreactorABR．JouralChem．Tech．Biotech．199769276－284．9GaoZhongbai．Operationandmanagementoftannerywastewateranaerobictrearmentsystem．The6thAsianIn-ternationalConferenceofLeatherScienceandTechnolo-gy197．October19－212004HimjiJapan．10．UASBJ．200531766－68．11．J．200534538－41．