Applications of municipal wastewater treatment in lives 给水排水工程专业英语论文

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1、WaterandWastewaterEngineeringFinalClassProjectTitle:ApplicationsofmunicipalwastewatertreatmentinlivesCollege_____C.E__________Major____WWE__________Class___________Number_________Name_________Data_____________________5ApplicationsofmunicipalwastewatertreatmentinlivesA

2、bstract:Thisarticledescribesthefollowingsections:sequentialcombinationofphotocatalyticoxidationwithconstructedwetlandsisthestudyandtheexperimentalevaluationofanalternativeandinnovativewastewatertreatmentsystem,whichcombinestheactionofphotocatalyticoxidationwiththesurf

3、aceflowconstructedwetlands.Anewcontactoxidationfiltrationseparationintegratedbioreactorwasusedtotreatmunicipalwastewater.thesyntheticpolymersnormallyusedinthecoagulation-flocculationtreatmentofwastewaterrequiressustainablealternatives.Keywords:bioreactor;coagulation;f

4、locculation;photocatalyticoxidation;CombinationofphotocatalyticoxidationwithconstructedwetlandsWastewatertreatmentsystemshavebeendesignedtominimizetheenvironmentalimpactsofdischarginguntreatedwastewater.Differentoptionsforwastewatertreatmenthavedifferentperformancecha

5、racteristicsandalsodifferentdirectimpactsontheenvironment.Duringthelastdecadescentralizedconventionalwastewatertreatmentsystemsweretypicallyprovidedtolargecitiesandsecondarytowns.Theyinvolvelargecapitalinvestmentsandoperatingcosts,resultinginsystemswhichareconsidereda

6、snotpropersolutionsforsmallvillagesthatcannotaffordsuchexpensivetreatmentfacilities.Inaddition,lowwateruseratesandseveraloperationalproblemshavebeenencounteredwithsuchsystemsinruralandespeciallyintouristicareaswherethepopulationsizevariesseasonally.Theneedforalternati

7、vemethodsofwastewatertreatmentisofinteresttoregulatingauthoritieseverywhere.Theso-calledadvancedoxidationtechnologies(AOTs)areamongthemosteffectivechemicaloxidationprocesses,andarecurrentlygainingsignificantimportanceinwatertreatmentapplications.Underthistermthescient

8、ificcommunityreferstothetechnologieswhoseeffectivenessisbasedontheproductionofthe•OHradicals,oneofthemostpowerfuloxidantreag