垂直流潜流式人工湿地技术在北京流域污染治理中的应用研究

120ENVIRONMENTALSCIENCEANDMANAGEMENT1673-1212(2006)04-0120-04X522A转载中国科技论文在线(1.2.3BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Theefficienciesforvertical-subsurfaceflowconstructedwetlandsystemtotreatthewastewaterofLongdaoRiverinBeijingwasresearched.Theresultsshowedthat,thesystemcouldnormallyworkinwinterandhadverystableeffectsontheremovalofCOD(chemicaloxygendemand),BOD5(biochemicaloxygendemand)TP(totalphosphate),NH3-N(ammonianitrogen)andSS(suspendedsolid).TheaverageremovalratesofCOD,BOD5,TP,NH3-NandSSwereover81%,85%,96%,77%and85%,respectively.AndatthesametimetheaverageconcentrationofDO(dissolvedoxygen)intheoutflowwaterreached2mg/L.Keywords:constructedwetland;wastewatertreatment;pollutioncontrolApplicationofBiologicalAeratedFiltertotheMachiningJunkDistrictWastewaterTreatmentZHULe-hui1,YANGTao2(1.2CollegeofEnvironmentScienceandEngineering,NanchangUniversity,Nanchang330029,China)Abstract:BiologicalAeratedFilter(BAF)isarecentlydevelopedprocesstotreatorganicwastewater.Accordingtothewaterqualityofthisproject,adoptingbiologicalaeratedfiltercrafttreatwastewaterofmachiningjunkdistrictinFengcheng,itachieveagoodeffectafteralongtime'srunning,thewaterqualityofthefinaleffluentinthissystemmeettheFirstGradeofintegratewastewaterdischargestandard£¨GB8978£­1996£©.Furthermorethisdesignhasnotableadvantages,suchasgoodtreatingeffect,quickstart,litterrelationshipwithtemperature,highcapacityforadsorbingshockload,norequirementforsecondarysettlementtank,simpletechnologyflow,reasonablebacteriumstructure,etc.BAFprocesshasprosperousfutureinourcountry.Keywords:wastewaterofmachiningjunkdistrict;BIOFOR;ceramicsfilling中国科技论文在线