不同配置人工湿地系统农村生活污水处理效果苑丹丹

＊苑丹丹　付为国　李萍萍(　212013)　　　　、、4、28,COD、,。,+,;+COD20mg/L;+。,。　　　　　　TreatmentofRuralDomesticSewageinDifferentCompoundConstructedWetlandsYUANDandan　FUWeiguo　LIPingping(KeyLaboratoryofModernAgriculturalEquipmentandTechnology,MinistryofEducation&JiangsuProvinceJiangsuUniversity　Zhenjiang,Jiangsu212013)Abstract　Thispaperanalyzesthepurificationefficiencyandpurificationstabilityofdifferentconstructedwetlandswhichissimulatedwith4kindsofplant(Phragmitesaustralis,Phalarisarundinacea,Iristectorum,Typhaorientalispresl)and2kindsoffillers(carpolite,coalcin-der)bydeterminingthecontentsofCOD,TN,TPininfluentandeffluentwater.TheresultsshowthatthesystemcombinedTyphaorientalispreslwithcompoundfillersofcarpoliteandcoalcinderhasthebestremovalresults,secondlyisthesystemcombinedTyphaorientalispreslwithfillerofcarpolite;butthesystemcombinedPhalarisarundinaceawithcompoundfillersofcarpoliteandcoalcinderhasquitehighpurifi-cationefficiencyinCODremovalandinTNremovalwithTNcontentabout20mg/L;thefillercompoundedwithcarpoliteandcoalcinderhasahighefficiencyinTPremoval.Inaddition,theconcentrationloadingsatthebeginningalsoaffectsthepurificationefficiency.KeyWords　plant　filler　constructedwetland　domesticsewage　　,,。,、[1-2],[3-4]。,、、、[5-6]。、、[7],。,,[6-7]。,,[8]。,[9]。,,、、,。1　1.1　　　、、4。,,,。320092,。。,。1.2　,()。,20cm,100cm,90cm,90cm,80cm,10cm,,PVC。、Ⅰ、Ⅱ。Ⅰ20cm1～2cm,20cm3～4cm,40cm5～6cm;Ⅱ20cm1～2cm,Ⅰ。(,30cm,＊:(70741024),(SH2008014),(200906140002)。·1·2010368August2010　　　　　　　　　　　　　　　IndustrialSafetyandEnvironmentalProtection)。4Ⅰ、Ⅱ8(1),3。1　8ABCDⅠAⅠBⅠ　CⅠDⅠⅡAⅡBⅡ　CⅡDⅡ　　,15,3,。3,,6,。1.3　41,25～28℃。,、、KH2PO45,5(2)。24h。2　mg/L　61562375714725COD1001201501802105102035600.611.6361.4　COD:;:-;:-[10]。2　2.1　CODCOD(1),8COD,COD。BⅡ,DⅠ、DⅡAⅡCOD,70%。1　8CODⅠ、ⅡP0.084,0.05,Ⅰ、ⅡCOD。。,COD,,COD。2.2　(2),8,。DⅡ,89.9%,DⅠ87.3%,AⅠ、AⅡ,80%,CⅠ、CⅡ70%,BⅠ、BⅡ。2　82,4:。20mg/L94.4%,。Ⅰ、ⅡP0.674,0.05,Ⅰ、Ⅱ。、、。Koottatep[11],pH8,,pH8,。,,,。2.3　(3),8,。DⅡ、DⅠ,75%,AⅡ、BⅡ、CⅡ,70%,AⅠ、BⅠ、CⅠ。3　8Ⅰ、ⅡP0.003,0.05,Ⅰ、Ⅱ。[9]。、,,ⅡⅠ。4,,,(7)·2·。(3),SOD。SOD,SOD,。,。[1]SanitdiToppiL,LambardiM,PazzagliL.Responsetocadmiumincar-rotinvitroplantsandcellsuspensioncultures[J].PlantSci,1998,137:119-129.[2],,,.Hg2+,Cd2+[J].,2004,24(3):62-65.[3],.Cd、Cu(Triticumaestivum)[J].,2006,26(12):2033-2038.[4]StoltzE,GregorM.AccumulationpropertiesofAs,Cd,Cu,PbandZnbyfourwetlandplantspeciesgrowingonsubmergedminetailings[J].En-vironExpBot,2002,47(3):271-280.[5]GallegoSM,BenavdesMP,TomaroM.Effectofheavymetalionexcessonsunflowerleaves:evidenceforinvolvementofoxidativestress[J].PlantSci,1996,121:151-159.[6]ChaouiA,MazhoudiS.Cadmiumandzincinductionoflipidperoxidationandeffectsonantioxidantenzymeactivitiesinbean(PhaseolusulgarisL.)[J].PlantSci,1997,127:139-147.[7]ChowdhuyrSR,ChoudhuriMA.Hydrogenperoxidemetabolismasanindexofwaterstresstoleranceinjute[J].PlantPhysiol,1985,5:503-507.[8]PolityckaA.Peroxidasezctivityandlipidperoxodationintootsofcucum-berseedlingsinfluencedbyderivativesofcinnamicandbenzoicacids[J].ActaPhvsiologiaePlantarum,1996,18(4):365-370.[9],,.[J].,1991,18(2):163.[10],,.[J].,2005,16(11)∶2178-2181.[11]SomashekaraiahBV,PadamajaesK,PrasadRK.Phytotoxicityofcad-miumionsongerminationseedlingsofmungbean(Phaseolusvulgarize):Involvementoflipidperoxidesinchlorophylldegradation[J].PlantPhysiol,1992,65:85-89.[12],,,.[J].,2004,19(2):1-5.　吴双桃,女,1976年生,助理研究员,硕士,从事环境污染治理方面的研究工作。(:2009-04-09)(2)4:。4,,,。3　8,,,。　　COD,,20mg/L,COD。,,,。,,。,,;,。COD120～150mg/L、10～25mg/L、1.5mg/L,。,、,,,。[1],.[J].,2005,24(2):39-42.[2],,,.[J].,2004,23(4):766-769.[3],.[J].,2004,23(4):8-10.[4].[J].,2004,30(7):31-33.[5].[J].,2002,17(4):51-59.[6],,.[J].,2003,22(2):49-55.[7],,,.[J].,2002,24(3):81-83.[8]KantawanichkulS,PilailaS,TanapiyawanichW,etal.Wastewatertreatmentbytropicalplantsinverticalflowconstructedwetlands[J].Wa-terSciTechnol,1999,40(3):173-178.[9],,,.[J].,2005,26(1):51-55.[10].[M].4.:,2002:216-219.[11]KoottatepT.Roleofplantuptakeonnitrogenremovalinconstructedwetlandslocatedinthetropics[J].WaterSciTechnol,1997,36(12):1-8.　苑丹丹,女,1986年生,硕士,研究方向为人工湿地处理农村污水的关键技术等。(:2010-01-12)·7·