给水排水工程专业英语论文.doc

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1、WaterandWastewaterEngineeringFinalClassProjectTitle:ApplicationsofmunicipalwastewatertreatmentinlivesCollege_____C.E__________Major____WWE__________Class___________Number_________Name_________Data_____________________4WWEFinalClassProjectStudentName:Applicationsofmunicipalwastewatertreatmentinlives

2、Abstract:Thisarticledescribesthefollowingsections:sequentialcombinationofphotocatalyticoxidationwithconstructedwetlandsisthestudyandtheexperimentalevaluationofanalternativeandinnovativewastewatertreatmentsystem,whichcombinestheactionofphotocatalyticoxidationwiththesurfaceflowconstructedwetlands.Ane

3、wcontactoxidationfiltrationseparationintegratedbioreactorwasusedtotreatmunicipalwastewater.thesyntheticpolymersnormallyusedinthecoagulation-flocculationtreatmentofwastewaterrequiressustainablealternatives.Keywords:bioreactor;coagulation;flocculation;photocatalyticoxidation;Combinationofphotocatalyt

4、icoxidationwithconstructedwetlandsWastewatertreatmentsystemshavebeendesignedtominimizetheenvironmentalimpactsofdischarginguntreatedwastewater.Differentoptionsforwastewatertreatmenthavedifferentperformancecharacteristicsandalsodifferentdirectimpactsontheenvironment.Duringthelastdecadescentralizedcon

5、ventionalwastewatertreatmentsystemsweretypicallyprovidedtolargecitiesandsecondarytowns.Theyinvolvelargecapitalinvestmentsandoperatingcosts,resultinginsystemswhichareconsideredasnotpropersolutionsforsmallvillagesthatcannotaffordsuchexpensivetreatmentfacilities.Inaddition,lowwateruseratesandseveralop

6、erationalproblemshavebeenencounteredwithsuchsystemsinruralandespeciallyintouristicareaswherethepopulationsizevariesseasonally.Theneedforalternativemethodsofwastewatertreatmentisofinteresttoregulatingauthoritieseverywhere.Theso-calledadvancedoxidationtechnologies(AOTs)areamongthemosteffectivechemica

7、loxidationprocesses,andarecurrentlygainingsignificantimportanceinwatertreatmentapplications.Underthistermthescientificcommunityreferstothetechnologieswhoseeffectivenessisbasedontheproductionofthe•OHradicals