人工曝气强化技术对缓流重污染水体水质应急修复的研究

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1、苏州科技学院硕十学位论文AbstractAbstractAnificialaerationstren舒hentechnologywhatbeenwidely印pledineachprojecthaVedeVelopedmanyyears，playedanimportant如nctiontodefaecatetheblacksmellyriVercourse嬲weUaseme唱encyrepairthewaterbody．Thegoalofthistopicisenhancingthewaterbodywaterqualitypurificatio

2、nandthepersistentea’ectwell，changingthecitypollutedgtreamblacksmellypresentsituationbytheartificialaerationstren舒hentecllnology．ThetopichaVeinspectedtheanificialaerationstren酉henteclulologytotheconcentricriVereme玛encyrepaira11dthedefaecatedefrectinnuence；studiedthedifrerentae

3、rationintensityanddifreremextraneoussourcepollutionloadtoconcentricriVerwaterqualit)，artificialaerationdef犯catede丘．ectinfluenceundertllesnlaJlscalecondition．RurmingtlleartificialaerationsysteminmescenemoVement，anificialreaerationoninashorttime，toremoVestllewaterbodyo唱aIlicma_

4、tter锄dtllenutrientsaltnot劬giblee珏’ect，oIllytoerdlancesthewaterbodydissolVedoxygen，toeliminatemewaterbodyodortohavecertainf．unction．111definesinthewaterbodyscope，theaerationintensityisbigger，theIeVelofme、vaterbodydissolVedoxygenis11igherintheshorttimetoeleVate，adVantageousinen

5、haIlcingmeriVerswa．terqual时，t11edisplayiIlSolationintemalcombuStionengineemergencyprocessingf．unction．AsmeconcentricriVersuchnuidi哆badriVers，tlle神rationplayscenaindriRrole．Thewater、VheeltypeaerationmacmneandmediVingt)，peaerationmacllineundermes锄eoperatingmodecondition，watenvh

6、eelt)，peaerationmachinereaerationonabilityiss仃onger，smallerperturbationdegreetothebottommudofriVerbottom，aftertlleaeratioll’t11ewaterbodysenseo唱anef．feCtisbetter．Twol(indsof跹rationmacllinecanreduceCODcrintIlewaterbody，thewaterwheeltype’sdeIlinDgenationefjf’ectbettert}lan也ediV

7、ingtypeaerationmaChine，butt、VoldndsofaerationmachinedonothaVetlleeliminatione腑cttotllesolublephosphate．Inalimitedrallgeofwaterbody，t11enon-extraneoussourcepollution，controledanificial跹rationtotllewaterbodyconstantoxygenizememq啪ti坝Pollutionwater’squalitytobeablet0obtainmech锄ge

8、fort11ebetter．Theexperimentdiscoveredmatwhencon仃oled神rationintensi哆i