兩段上流厭氧顆粒污泥床—好氧生物濾池（UASB-BF）組合工藝同時(shí)去除有機(jī)物和氮的研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文兩段上流厭氧顆粒污泥床—好氧生物濾池（UASBBF）組合工藝同時(shí)去除有機(jī)物和氮的研究姓名：李曉惠申請學(xué)位級別：碩士專業(yè)：環(huán)境科學(xué)指導(dǎo)教師：楊鳳林20050601————墾墜蘭!墮!!墼墊!!堡壅：塹墼塵塑壅墊塑魚i苧塑墮莖墜童!!塑塑墊塑塑壅Simultaneousremovalofcarbonaceousmateri矗[sandnitrogenwi如twostageupflowanaerobicsludgebe

2、d—aerobicbiofilter(UASamF)combinedbioreactorAbstractWiththebatchexperimentinoculatedwiththeanaerobicgranularsludge，thepossibilityofsimultaneousdenitrificationandmenthanogenesiswasinvestigatedbytheprofileofthesubstratedeg

3、radationafteraddingnitratetothestrictanaerobicsystemIntheanaerobicgranularsludgesystemcontaingnitratedenitrificationwasdominateandmethatmgenesisdidCtst賦untilthedenitrificafionwasaccomplished，Nitr：aeappearedt6accumulatedu

4、ringthedenitrificationAfterinoculatinglittlemnountofaerobicactivesludgetotheanaerobicsystem，therateofdenitrificationincreasedandthestrengthofnitrateaccumulationdecreasedToachieveabiologicaltreatmentprocessoflowcostandhig

5、hefficiencyanewcombinedwastewatertreatmentprocesscombinedthecharacteristicoftheupflowanaerobicsludgebedandtheaerobicbiofilter(UASB／BF)，wasdesignedTheresultindicatedthatthcexccliente豫uentandeffectivenitrificationguaran)ee

6、dfromtheaerobicpost—treatmentwhichranalwaysinaloworganicloadfollowedbytheUASBstagewhichplayedagreatroleofremovingmostoftheorganicpollutants，thetwostagesbehavewitheachotherharmoniouslyandstahIyDuringthewbolecxpedmetttthef

7、ollawittghydraulicdetentiontimeweretested：12h、J0h、8h、5hcorrespondingtotheorganicloadingof1，O、12、l，5、20gCODL“d～andthetotalnitrogenloadingof625、753、828、1593mgNLtd～Whenthehydraulicdetentiontimewasabove8h，theCODremovalremain

8、edstablewith1957mgL—oftheaverageeffluentCODand96，06％oftheCODremovalefficiencyandwhenthehydraulicdetentiontimedecreasedto5hthee用uentCODincreasedonlyto3353nagL～with9214％ofremovalefficiencyWiththedifferenthydraulicdetention

9、timementionedabovethecorresponding礤c鼴uentaverageis538nagL～、6，30mgL一、6，56mgL一、1125nagL’1andtheTNremovalefficiencyis8279％、7997蚶、7625％、6783％，respectivelyTheoverallSSinthefinaieffluentwhichkeptclearWerekeptbeLow13mg／1AtLeast