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TheStudyonUsingCRItoImproveConstructedWetlandsSystem Stoppage

WU Yansheng,LIYan   

  1. aFacultyofEnvironmentalEngineering,bFacultyofArchitectureEngineering,
    KunmingMetallurgyCollege,Kunming650033,China
  • Online:2014-03-31 Published:2014-03-31

Abstract: Constructedwetlandsisamanmadeworksforwastewatertreatmentfacilities.Thedisadvantagesofthesystemincludesmallhydraulicload,largearea,insufficientoxygensupplysystem,lowremovalefficiencyofnitrogen,phosphorusandeasytoplugetc.Constructedrapidinfiltrationwastewatertreatingsystem(CRI)isatypeofwastewaterlandtreatment.Thebasicprocessingmechanismissewageintospecificsurfaceofpercolationmediumtopurifythewastewater.ExperimentstudiedtheCRIaspre-processingunitofartificialwetlandsystemtoimprovetheeffectofartificialwetlandeasilyblocked,andtheimprovingreasonwasanalyzed.ItisconcludedthatuseofCRI+ artificialwetlandtreatmentsystem,caneffectivelyimprovethecongestion.Comparetoconstructedwetlandwithoutpreprocessingfacilities,thecompositesystemcanrunforalongtime.

Key words: constructedwetlands, CRI, wastewatertreatmentsystem

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