高濃度SBR法的應用基礎研究.pdf

1、天津大學碩士學位論文高濃度SBR法的應用基礎研究姓名：楊曉瑞申請學位級別：碩士專業(yè)：物理化學指導教師：高正虹20070101ABSTRACTTheactivatedsludgecomingfrommembranebioreactor(MBR)wasacclimatedwithdifferentkindsofsubstratesrespectivelytofitsequencingbatchreactor(SBR)andtOformmic

2、robiologicpopulationwithalongfoodchainOneissimulatedmunicipalsewageusingthemixtureofglucoseandpeptone，theothersimulatedindustrialwastewatercontainingphen01Ittakesafewdaystoacclimatethesludgeusingtheformer，whilethesludgea

3、cclimationwiththelaterneedsaboutonemonthFinallybothwaysofacclimationmakethesludge’SpropertiesimprovedTheOUR(oxygenuptakerate)oftheacclimatedactivatedsludgeweremeasured，whichincludetheOURofthesludgeintheperiodofendogenous

4、respirationandtheOURofthesludgeindegradingfourkindsofsubstratesThemeasuredresultsindicatethattheOURofthesludgeintheperiodofendogenousrespirationisrelatedtotheactivatedsludgeconcentrationratherthanthekindofsubstratesusedi

5、nthesludgeacclimationThecomparsonbetweenthesludge’SOURindegradingfourkindsofsubstrateswiththatintheperiodofendogenousrespirationrepresemsfourkindsofsubstratesCanbedegradedbythemicrobeintheactivatedsludgeandthebiochemical

6、feasibilityofthesesubstratesisdifferentFromthemeasuredOURofthesludgeinthedifferentstepsoftheacclimationforphenoldegradation，theactivityofthesludgedegradingphenolwasfoundtoincreasewiththeriseintheacclimationtimeInthehighl

7、yconcentrationSBRsystem，theeffectoftheo唱amcsludgeloadingontheproductiverateandtheageoftheactivatedsludgewasinvestigatedusingthesimulatedmunicipalsewageTheorganicsludgeloadinginthestateofthebalanceofactivatedsludge’Sgrowt

8、handdeclineWasdeterminedMeanwhile；thesyntheticratioandtheendogenousrespirationcoefficientoftheactivatedsludgewereobtainedThehighlyconcentrationSBRsystemintherangeoftheorganicsludgeloadingO1～02kgCOD／(kgMLSSd)Canperformreg

9、ularlyretainingthelowCODofeffluentandstablemicrobiologicpopulationInaddition，theprocessoforganicdegradationinthesystemwasobservedbythemeasurememofDOvaluesKEYWORDS：SequencingBatchReactor(SBR)，sludgeacclimation，OUR，organic