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1、ThestudvofhorizontalflowconstructedwetlandandveriticalflowconstructedwetlandtotreatriverpollutionAbstratetechnologyofconstructedwetlandisanewkindofsewagecontrolledtechnologywhichdevelopedsincethe1970sandstemsfromthenaturewetlandstechnologypurifiessewagedependingont
2、hesynergisticeffectofpadding，plantsandmicroorganismwhicharestrengthenedbydesigningbyhmnanInthisexperiment，thetreatmenteffectofconstructedwetlandswithtwodifferentpaddingincludingzeoliteandslagwerecompared，thetransformationofnutrientsubstancesofconstructedwetlandswit
3、hdifferentcurrentformincludingverticalflowandhorizontalflowwerediscussedandthetreatmenteffectofconstructedwetlandsystemswithdifferentwaterlevel，concentrationofpollutantsandinfluentloadwereresearchedresidencetimedistributionswereresearchedbypulsetracermethodtoanalys
4、isthecharacteristicsofflowregimesthroughusingtheparametersofnormaldistributionfittedbyresidencetimedistrlbutionfunctionAndthemainconclusionsare；(I)TheCODremovalefficiencyofslaghorizontalflowconstructedwetlandishigherthanzeolitehorizontalflowconstructedwetland，andth
5、eremovalrateofslagverticalflowconstructedwetlandisabout88％whichishigherthan77％ofzeoliteverticalflowconstructedwetland；theCODremovalcapacityofhorizontalflowconstructedwetlandisalittlehi曲erthanverticalflowonewithsamepaddingSoCODremovalrateisinfluencedbypaddingbuthasl
6、ittlerelationshipwithcurrentformtotalphosphorus(TP)removalrateofzeoliteconstructedwetlandcanreachto75％andofslagconstructedwetlandmaintainsbelow70％：likewisetheTPremovalrateofhorizontalflowconstructedwetlandishigher．Theremovalratesofammonianitrogen(AN)inditierentcurr
7、entfolinsareclose；buttheANremovalrateofzeoliteconstructedwetlandisabout20％higherthanslagconstructedwetlandAstotheremovalrateofnitrate，thereactorflowpatternisthemaininfluencingfactorsnitrateremovalrateofhorizontalflowconstructedwetlandisabout85％whileit'sjust30％ofver
8、ticalflowconstructedwetlandItisnotobviousoftheinfluenceofdifferentpaddingtonitrateremovalrate(2)TheincreaseofinfluentconcentrationofCOD，phosphoru
