复合人工湿地处理生活污水的效果薛宇

122*1．1100362．110031。3～4mg/L0、1∶1、2∶1、3∶1、5∶1。COD、NH3-N、TNATN2∶182．5%TP。。X703．1A0517－6611201130－18616－02ResearchontheWastewaterTreatmentinArtificialConstructionWetlandXUEYuetalDepartmentofEnvironmentalScienceLiaoningUniversityShenyangLiaoning110036AbstractObjectiveThetechnicalparameterinthesystemofthewastewatertreatmentinartificialconstructionwetlandwasimprovedforitsoptimization．MethodThewayoftheoxygen-addingthroughthetraditionalmethodofintermittentwater-inlettingwasimprovedwiththehangthroughthewetlandoxygenontheseriesoftwovertical-flowingwetlands．Thecontentofdissolvedoxygenwithintheaerobicwetlandremainedintherangeof3－4mg/Lbymeansofthetechniqueofaeratingoxygen．Theeffectofdifferentrecirculationratios01∶12∶13∶1or5∶1onthetreatmentofartificialconstructionwetlandwasstudied．ResultTheremovalefficiencyonCODNH3-NandTNinthevertical-flowingwet-landreachedtheGradeAofsewagedischargestandardamongwhichthedifferentrecirculationratiogreatlyaffectedremovalefficiencyonTNandthebestremovalefficiency82．5%onTNwasattherecirculationratioof2∶1．HowevertheeffectoftheexperimentalinstallationonTPremovalwasbadthusinordertoimprovetheTPremovalefficiencythematrixmaterialwithstrongerabilityinabsorptioncouldbeadoptedintheconstructionofwetland．ConclusionTheconstructionofvertical-flowingwetlandhadgoodapplicationprospectinthewastewatertreatment．KeywordsArtificialwetlandRecirculationratioAeratingoxygen2010BAC68B022009BADC2B01-04-01。[e-mail]。*[e-mail]。2011-07-13、。。、、、、1。、、、、、、2－3。、。。4。11．1PVC0．5m×0．5m×1．0m。4。UPVC。。。1．2。、NH4Cl、K2HPO4、CaCl2NaHCO3pH6．5～8．0。COD200～450mg/LNH3-N15～50mg/LTN20～50mg/LTP4～8mg/L。1．30．2m3/m2·d。1∶1、2∶1、3∶1、5∶140%。1．4COD、NH3-N、TN、TP《》。22．11CODCr80%。、。。JournalofAnhuiAgri．Sci．2011393018616－1861718683DOI:10.13989/j.cnki.0517-6611.2011.30.064、5。。1CODCrFig．1RemovalefficiencyofCODCrwithdifferentrecirculationratios2．2NH3-NNH3-N、、。6。NH3-N。NH3-N7。2NH3-NFig．2RemovalefficiencyofNH3-Nwithdifferentrecirculationratios2NH3-N。1∶1、2∶1、3∶1NH3-N5mg/L。NH3-NNH3-N。5∶1NH3-NNH3-N。2．3TN3TN。、、NH3-NNO3-N。mBOD5/mNO3-N89。2∶1。3TNFig．3RemovalefficiencyofTNwithdifferentrecirculationratios2．4TP1。10、、。。1TPTable1TPaverageconcentrationineachsectionofthesystemondif-ferentrefluxratioRefluxratioTPTPmeanconcentration∥mg/LInfluentOxygendeficiencyEffluentRemovalrate∥%06．115．743．8331．31∶15．404．904．2920．62∶14．303．803．0536．53∶15．034．762．9241．95∶15．905．002．6055．931COD、NH3-N、TNATN2∶182．5%。2。。3。CODCr、NH3-N、TN。1．J．2002132224－228．2InternationalWaterAssociation．ConstructedwetlandsforpollutioncontrolprocessesdesignandoperationM．LondonIWAPublishing2000．3．J．200427S130－32．18683716813930。BraudeLucss17－19。210～249mg/kg、。BraudeKirch-gessner249～314mg/kg、、。249mg/kg、。20。210～249mg/kg。249～314mg/kg。249mg/kg。3．310%～25%21。86～146d28．09%～46．09%249mg/kg。86～146249mg/kg17．50±1．56g/d。210～249mg/kg249mg/kg249～314mg/kg249mg/kg。1．J．200523185－88．2．J．2001633－35．3KIISKINENMAKELA．CommitteeonAnimalNutritionNationalResearchcouncilNutrientRequirementofMinkandFoxesM．SecondEdition．WashintonD．CNationalNutrientAcademiesPress198215－31．4MERTIND．Contentsofsomeminerralelementsinhairofsilverfoxesdur-ingontogenesisScientifurJ．WorldRevAnimProd2001153183－189．5AULERICHRJRINGERRKBLEAVINSMRetal．EffectsofSupple-mentalDietaryCopperonGrowthMinkandtheAcuteToxicityofCoppertoMinkReproductivePerformanceandKitSurvivalofStandardDarkJ．JAnimSci200255337－343．6BRAUDER．CopperasastimulantinpigsfeedJ．WorldRevAnimProd1967369－82．7．M．2003．8．J．200729222－24．9．J．200526863－67．10．、J．19994191－96．11ZHOUWKORENGARYETVANLARH．TheroleoffeedconsumptionandfeedefficiencyincopperstimulatedgrowthJ．AnimSci19947223－85．12．J．2003184－87．13MILESRDO'KEEFESFHENRYPR．Theeffectofdietarysupple-mentionwithcoppersulfateortribasicchloridecopperchlorideonbroilerperformancerelativecopperbioavailabilityanddieraryprooxidantactivityJ．PoultryScience1998773416－425．14SMITHMS．ResponseofchickstodietarysupplementsofcoppersulphateJ．BritishPoultryScience19691097－108．15．C．．199588．16．、C//．1996133．17BRAUDER．Copperasagrowthstimulantinpigs．InCuprumprovitoM．LondonTransSympCopperDevelopAss196555．18LUCSSIALIVINGTONERMBOYNEAW．Theearlyweaningofpigs．8．CoppersulfateasagrowthstimulantJ．JAgricSei196258201．19ZHOUWKORNEGAYETLINDENMANMDetal．StimulationofgrowthbyintravenousinjectionofcopperinweanlingpigsJ．JAnimSei20047223－95．20．、J．2001428－29．21．J．2000122檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪55－60．186174．D．2007．5．J．200417335－37．6．J．20082252－54．7．J．200633194－99．8．A/OD．2005．9．D．2007．10．J．20052021－4．386813930