連續(xù)流雙污泥-誘導(dǎo)結(jié)晶系統(tǒng)脫氮除磷影響因素研究.pdf

1、東南大學(xué)碩士學(xué)位論文連續(xù)流雙污泥誘導(dǎo)結(jié)晶系統(tǒng)脫氮除磷影響因素研究姓名：朱文韜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：動(dòng)力工程；水污染控制工程指導(dǎo)教師：呂錫武；天貴江20120607ABSTRACTABSTRACTAtpresentwaterbodyeutrophicationbecomesmoreandmoreserious，formorethanhaIfof27keylakes(reservoirs)inthecountryareatthevaryi

2、ngdegreeeutrophicationconditionThenitrogenandphosphorusremovaltechnologyinordertosolvetheproblemsforthepurposeofeutrophicationhasbeenthestudvfocusinthewastewatertreatmentareaDenitrifyingPhesphorusremovaIisthenewprominent

3、wastewatertreatmenttechniqtieThemainadvantageofthecontinuousflowtwosludgeprocesswhichisfundamentallybasedonthetechniqueofdenitrifyingphosphorusremovalisthepossblesavingofenergy(aeration)andCOD，reducingthesludgeproduction

4、andthereactorvolume。ThecontinuousflowtwosludBeandinducedcrystallizationprocessrefermoretounionofbiologicaldephospherizationmethodandchemicaldephesphorizationmethodeffectivelyimprovetheremoralemciencyofnitrificationandPho

5、sphorusmeanwhilerealizethephosphaterecoveryThesecharacteristicsbenefitsignificantlyforthemunicipalwastewatertreatmentespecially向rthelowC／Nnamicipalwastewatertreatmenteffectthenutrientremovale伍ciencyInordel“toaccelerateth

6、einvestigationdevelopmentofthecontinuousflowtwo—sludBeandinducedcrystallizationprocess，promotetheapplicationoftheprocessforthe10wC／Nwastewatertreatmen‘thedesignadoptsconfectedsewagesimulatingthedomesticsewage，putemphasis

7、onthestudyoninfuleneeincontinuousflowtwosludgeandinducedcrystallizationsystem，andinspectedoninfluenceof絕edingC／Nratio，C／Pratio，sidestreamratioondenitrifyingandphosphorusremovalintheprocessdrawthefollowingconclusion：Influ

8、enceoffeedingC／NratioondenitrifyingandphosphorusremovalincontinuousflowtwosludBeprocess／continuousflowtwosludBeandinducedcrystallizationprocess：C／NratiosvariationdidnotinfluencetheremovaIofCODCODremovalrateswere86％orbett

9、er；Thedi髓renceoffeedingC／Nratioshadnotsignificanteffectsontheremovalofammonianitrogeninthesystem，andthisphenomenonneverchangebecauseofadditioninducedcrystallizationreactotammonianitrogenremovalrateshadbeenbetween83％and85

10、％whenC／Nmtiowasaddedfrom3to8：TheaveragedenitrifyingratewasrisingandthenitrateoutfowconcentrationwasonadownwardtrendwiththeincreaseofC／NratiosincontinuousflowtwosludgesystemDenitrifyingratereachedl00％whenC／Nratioswere6and

11、8afterappendinginducedcrystallizationreactorAndtheremovalrateofTPhasalsosignificantlyincreasedcomparedwiththatwhendidnotadditioncrystallizationtheremovalOfTPreached705％and738％whenC／Nratioswere6and8incontinuousflowtwo—slu

12、dgesyste札buttheremovalratesofTPallbe99％orbetterafteradditioninducedcrystallizationreactorAnoxicphosphorusuptakeledindominantstationgoodoxygenphosphorusenrichmemupchecksroleincontinuousflowtwosludgeandinducedcrystallizati

13、onsystemInfluenceoffeedingC／Pratioondenitrifyingandphosphorusremovalincontinuousflowtwosludgeprocess／continuousflowtwosludgeandinducedcrystallizationprocess：ThevariationoffeedingC／PratiocauseminorinfectionstheremovalofCO

14、Dammonianitrogen110matterinthecontinuousflowtwosludgesystemorcontinuousflowtwoslud鳊aladinducedcrystallizationsystemCODremovalrateswereabove85％theaverageremovalrateofammonianitrogenwasbetween83％and86％whenC／Pratioswas63，45