生物接觸氧化工藝處理高速公路沿線設(shè)施污水試驗研究.pdf

1、長安大學(xué)碩士學(xué)位論文生物接熊氫絲王莖處理高速公路沿線煎蕉洹丞試驗硒窒申請學(xué)位級別巫學(xué)科名稱丕垃三壟論文提交El期2QQ魚生魚目論文答辯Et期2QQ生且目答辯委員會主席：學(xué)位論文評閱人：AbstractInviewofthewastewatertreatmentproblemsfromexpresswayaffiliatedfacilitiesinourcountryaBCO(BiologicalContactOxidation)proc

2、esswastestedintreatmentofthepeculiarwiththeexpectationofprovidingatechnicalsupporttotheengineersDuringtheexperimentalperiod，theperformanceoftheprocessWasstudiedfromtheaspectofHRT(hydraulicretentiontime)、influentconstitue

3、nts、influentmode、technicaleconomyandthedegradationrateofCODandnitrogennutriment，etcThedynamicsmodeloftheBCOprocessdealingwiththesewagewasanalyzedinconditionofthetestThroughtheresultsofthetestwecouldconcludeasfollows：(1)T

4、hereactorfilledwithfillermadebyhoghairpossessedafastvelocityofbiofilmdomestication，arapidshapeupperiodandexcessbiomass；(2)WhenthereactorWasoperatedinthemodeofcontinuousinfluentandcontinuousaeration，withtheHRTof4h、6h、10h、

5、14h、16hand20hrespectivelytheremovmentofCODandAmmoniaNitrogenatHRT=6hwasgreaterthan80％and45％，theCODandAmmoniaNitrogenofeffluentwerelessthan100mg／Land121mg／LrespectivelywhichcallachievethefnstclassofintegratedWastewaterDis

6、chargeStandard(GB8978—1996)；(3)Undertheconstantinfluent，thereactorWasoperatedinthosetwointermittentmodesof3timesinfluentand3、6，9、12、24timesaerationaday(onceanhour)and6timesinfluentand9、12、15、18、24timesaerationaday(oncean

7、hour)WhentheinfluentWascharacterizedby3timesaday、6hoursofcumulativebaricretentiontime，theeffluentvaluesofCOD、AmmoniaNitrogenandTNwere72mgCL、65mg／Land163mg／Lrespectively；andthatby6timesaday、12hoursofcumulativebaricretenti

8、ontime，theeffluentvaluesofCOD、AmmoniaNigogenandTNwere78ragCt、64mg／Land160mg／LrespectivelyTheeffluentsforbotlofthetwooperatingmodelsCanachievethefirstclassofIntegratedWastewaterDischargeStandard(GB89781996)；(4)Basedonthet