SBR工艺在旅客列车集便器污水处理中的应用研究

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1、西南交通大学硕士学位论文SBR工艺在旅客列车集便器污水处理中的应用研究姓名：王亮申请学位级别：硕士专业：环境工程指导教师：付永胜20070501西南交通大学硕士学位论文第Ⅱ页AbstractmsewageofSealedToiletofPassengerTrainishigllconcentrationfecalsewage．Ithasthecharacteristicofhighconcentrationoforganiccompounds，hi啦strengthammoma-nitrogen，highsuspendedsolids，

2、lowC／N,bigchangeinwaterquality．Itisverydifficulttobedealtwith．ThehighefficiencyofdenitrificationisthekeytodealwimthesewageofSealedToiletofPassengerTrain．“SCTeenfiltration-ABR．SBR-anaerobicammoniumoxidation-SBIr’combinationtechnologyisusedtoresearchandmanagethesewageofSea

3、ledToiletofPassengerTrain．Atthesanletime，NitrousNitrifyingexperimentandAdvancedTreatmentTechnologyhavebeenusedinthetwo·stageofSBRtechnology,andhavegotagoodresult．NitrousNitrifyingexperimentofSBRindicatesthatifwewanttohavetheresultofwater-exitNH3-N：N02一-Napproachingto1：1i

4、ntheNitrousNitri研ngexperiment．ThebestOperatingConditionis：whentheconcentrationofinfluentammonianitroge'n62000mg，L，Feeding—Aeration(5h)Sedimentation(1h)---Draining(O．5h)Idling(O．5h)．whentheconcentrationofinfluentammomanitrogen>2000mg／L，Feeding·Aeration(6h)Sedimentation(1h

5、)一Drainjng(O．5h)一Idling(0．5h)．ThebestpHis7．7andtheoptimalDOis2．0mg／L．Thereisnosignificantoperationresultdifferencewhenthetemperaturebetweennormaltemperature(25℃)andhightemperature(35℃)．Sowedonotneedtoheatthewastewaterduringoperation．Thetotalnitrogenloseapproximatelyis10％

6、．becauseofBlow-offeffectandSNDeffectduringnitrificationprocess．AndthelossquantitieshavearelationbetweentheconcentrationofDOandpH．WhentheconcentrationofDOisbetweentherangeofO．5～1．5mg／L．thetotalnitrogenremovalratehasapositiverelationshipwithDO．Thereisasignificantnitrogenre

7、movalratechangewhenthepHrisefrom7．0to7．5．Andthereisnosignificantchange，whenthepHrisefrom7．5to8．0．TheacclimatedactivatedsludgesystemhasahighendurancetOfreeammonia,anditCanreach70rag／L；andallthenitratebacteriaalmosteliminateintheacclimatedactivatedsludge．ThereisnoN03---Nac

8、cumulation,whenweenhancetheDOconcentrationduringoperation．西南交通大学硕士学位论文第Ⅲ页AdvancedTreatmentTeclmolclgYof