1、青島建筑工程學(xué)院碩士學(xué)位論文采用間歇曝氣工藝改進(jìn)AB法工藝氮磷脫除功能的試驗(yàn)研究姓名：華光輝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：張波2000.3.1童壘堡苧蘭堡蘭墮堡主蘭堡壘三———————一ABSTRACTEurophicationiSconstitutingaconsiderablemenacetourbanaquaticenvironmentAndtheremovalofNPfromwastewaterISoneofthem

2、ainmethodsforeutrophicationcontr01InChina，thepresentdischargestandardforwastewater(GB89781996)putforwardstrictstandardonNPfortheeffluentofmunicipalwastewatertreatmentplantThus，Notonlynewly—builtwastewaterplantsmustobserv

3、ethedischargestandard，butalsotheexistingwastewaterplantswithoutNPremovalfunctionneedtoamelioratethetreatmentprocesstopossessthisfunctionInChina，SeveralsewagetreatmentplantsadopttheABprocessbecauseofitsstabilityandhighorg

4、aniccompoundsremovalefficiencyButtheNPremovalcapacityofABprocessiScomparativelyweakSothispaperputforwardtheexperimentprojectofenhancingtheN—PremovalefficiencyofABprocessbyintroducingintermittentaerationsystemTheresultofl

5、abscaleexperimentshowsthat：Duringtheexperiment，theCODofeffiuentofAstageiScomparatively10wthatresultsinvery10WC／NratioSotheNPremovale航cienciesareunsatisfactorywhenusingemuentofAstageasthe‘influentofexperimentThreemeasures

6、weretalcentoincreasetheinflluentCOD(1)TotakethemixofinfluentandeffiuentofAstageattheratio1：1astheinfluentofexperiment；(2)TotaketheinfluentofAstageastheinfluentofexperiment；(3)Addingacetateintotheinfluent，Inmeasure(1)and(

7、21，theinflowCODarestilllOWwithC／Nratioas359and414respectivelyAndtheNPstilIcannotberemovedefficientlyunderthisconditionWhenintroducingincarbonsourceinmeasure(∞，theaverageinfluentCODwas531m鯽，TN654mga，P043。一P720mg／l，andther

8、emovalefficiencieswere907％，798％and905％respectivelyInadditionthispaperreviewstheresentdevelopmentsofthemechanismresearchontheenhancedbiologicalphosphateremovalAndtheparadoxicalrelationsinbiologicalNPremova】processwerealSO