增加碳源改進AB法工藝氮磷脫除功能試驗研究.pdf

1、青島建筑工程學院碩士學位論文增加碳源改進AB法工藝氮磷脫除功能試驗研究姓名：何國富申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：張波畢學軍20010301青島建筑工程學院碩士學位論文ABSTRACTEurophicationiSconstitutingaconsiderablemenacetOurbanaquaticenvironmentAndtheremovalofN—Pfromwastewaterisoueofthemainmethod

2、sforeutrophicationcontr01InChina，SeveralsewagetreatmentplantshaveadoptedtheABprocessbecauseofitsstabilityandhi曲organiccompoundsremovalefficiencyButtheN—PremovalcapacityofABprocessiscomparativelyweakSothispaperputforwardt

3、heexperimentprojectofenhancingtheN—PremovalefficiencyofABprocessbyintroducingintermittentaerationsystemandincreasingorganicabstratesorlthebasisofresearchresultproductedbeforeThemaincontextandresultoflabscaleexperimentsho

4、wsasfollow：Duringthefirststageofexperiment，Inordetoenhancethecondensityoforganicabstratesoftheinfluent，twomeasuresaretaken：(1)TobringthesludgeofA—stagetoinffiuentofBstageattheconstantreturnratio(Intheexperiment，itwas65％)

5、；(2)Temainthemeasurementionedabove，atthesametime，takethesludge，whichcomefromSludgeZoneandhavebeendisposedbychemicalPremovalmeasures，attherealratiointheplanttotheinfluentof1ab—scaleexperimentAstOtheremovalofTN，theexperime

6、ntalresultwhichindicatesthattheremovalofNH3NandTNhaveimprovedgreatlycomparingtheprevious，issatisfactoryBut，thesystemdoesn’tachieveexcessphosphorusremoval，themainIeasonisstillthecomparativelylOWC／14ratioInthefurtherexperi

7、ments，toincreasetheconcentrationoforganicabstratesintheinfluent，twoaspectsareconsideredFirst，maintainthesludgereturnmeasureofAstagetoBstageintheplant；Second，addorganicabstrates，whichconcludetwomain帥es——NaAeandwastewatero

8、fbeerfactorytotheinfluentnleresultmanifeststhatthesystemattainssatisfactoryN—PremovalrateInthesecondmeasure，whichputbeertotheinfluentandcontr01theconcentrationofinfluentCODunder700me／1whentheaverageinfluentCODwaSabout671