不同基质和不同植物对人工湿地净化效率的影响魏成

28820088ACTAECOLOGICASINICAVol.28,No.8Aug.,2008:2008-04-06:(1981～),,,,.E-mail:[e-mail]:TheprojectwasfinanciallysupportedbyTechnologyInnovationProgrammeReceiveddate:2007-05-10;Accepteddate:2008-04-06Biography:WEICheng,Mastercandidate,mainlyengagedinecologicalengineering.E-mail:[e-mail]*Correspondingauthor.E-mail:[e-mail]魏　成,刘　平*,秦　晶(,　100085):。,,;、3;。:;;;:1000-0933(2008)08-3691-07　:Q948　:AEffectsofsubstratesandplantsonpurificationefficiencyofconstructedwetland　WEICheng,LIUPing*,QINJingResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,ChinaActaEcologicaSinica,2008,28(8):3691～3697.Abstract:Byconstructeddifferentmodesofwetlandsystems,thispaperinvestigatedtheirpurificationefficienciesandpersistenceinfluenced,singlyandincombination,bysubstratesmadeupandplantgrownon.Theresultsshowedthatthepurificationefficiencyofwetlandbeincreasedbygrowingplant,andwerehigherinsubstratemixedbysandandsoilthansubstratemadeofscree.ThepurificationefficienciesofwetlandsgrownmixtureofCyperusalternifoliusandCannaindica,andmixtureofCyperusalternifolius,CannaindicaandPhragmitescommunisarehigherthanthatofwetlandgrownCyperusalternifoliussingly.Smallsizesubstrateandmixtureofplantsareabletostablethepurificationefficienciesofwetlands.KeyWords:constructedwetland;purificationefficiency;mixedplant;substrate、、,[1]。,(、、),、、,[2,3]。。N、P,,,,[4,5]。,、。,,、[6]。,[7]。、、、[8～10]。,,。1　1.1　:430mm,160mm(PVC)。:(reed)(Phragmitesaustralis),,,1～3m,。(umbrellagrass)(Cyperusalternifolius),、、,,、、、,50～160cm。(canna)(Indiacanna),,,,50～100cm,,。3,310～15cm。:(2mm);(1～2cm);1∶1()。1.2　8L,60cm。4mm,,,。3cm4mm。,13,2,10。1:3,3,9。(:6.4L;0.13m3m-2d-1);8h;42.1%;2.7L)。,(、、K2HPO4、KH2PO4)。,2。(:CODCr=255.8mgL-1,BOD5=128.1mgL-1,TN=12.6mgL-1,TP=2.7mgL-1),。,,。8:00,16:00,8h,1∶2。2:。:①1∶1②③,,。:①②③、,。。1.3　,,,。TN、TP、BOD5、CODCr,《》[11]。CODCrCTL-12;BOD5OXITOP-12;TN;TP。1.4　T,T-TEST、。EXCELSPSS13.0。3692　　　　　　　28　　2.1　3TN、TP、CODCr、BOD51～4,3。,(P0.01)。3。5　Fig.5　ThehighesttemperatureingreenhouseTN(p0.05);TP(p0.05);COD(p0.05)。BOD。2.2　TN、TP、CODCr、BOD5,,,。。104。3693　8　　　　:　　　TN:()()()(p0.05);TP:()()()(p0.05);CODCr:()()()(p0.05);BOD5:()〉()()(p0.05)。2.3　TN、TP、CODCr、BOD59～12。TN:3(p0.05);TP:3(p0.05);CODCr:3(p0.05);BOD5:3(p0.05)。,3。3694　　　　　　　28　　3.1　1,、3,。,,,N、P。2,3。。T。1TN,,;TP,,;BOD5,;CODCr,。,TP3。2,3。3TNTP,CODCrBOD5。3695　8　　　　:　　　1　3　　Table1　CoefficientvariationofremovalefficiencywiththreeconstructedwetlandplantsPlantTNTPBOD5CODCrReed0.0510.6380.0170.014Umbrellagrass0.0360.1440.0190.008Canna0.0990.1000.0180.014。3,,;,;,,;。,,,,。[12]、[13]。3.2　。2　Table2　CoefficientvariationofremovalefficiencywithmixtureplantedsystemsWetlandsystemTNTPBOD5CODCrT10.1340.1160.0180.012T40.1010.0780.0140.009T50.0830.0740.0190.012CK10.1330.3050.0580.022　　T1:umbrellagrasssystem;T4:Umbrellagrassandcannasystem;T5:Umbrellagrasscannaandreedplantedsystem;CK1:Controlsystem　　3　　　Table3　CoefficientvariationofremovalefficiencywithdifferentsubstratesWetlandsystemTNTPBODCODT30.1340.1160.0180.012T10.1410.2250.0540.040T20.0460.0560.0130.006CK10.1330.3050.0580.021CK20.2130.1960.0620.064CK30.1640.1760.0540.014　　　　T1:()Plantsystem(sand);T2:()Plantsystem(gravel);T3:()Plantsystem(sandandsoil);CK1:()Controlsystem(sand);CK2:()Controlsystem(gravel);CK3:()Controlsystem(sandandsoil)2,。3,。,,[15]。,,。,,,,。。10%～15%,[15],[13]。[14]。,。4　。,,;、33696　　　　　　　28　。,,。5　(1),。(2)[5],。(3),,。References:[1]　HuangJ,ReneauJRB,HagedornC.Nitrogenremovalinconstructedwetlandsemp1oyedtotreatdomesticwastewater.WaterRes,2000,34(9):2582-2588.[2]　LiXD,SunTH,LiHB.Currentresearchesandprospectsofphosphorusremovalinconstructedwetland.ActaEcologicaSinica,2007,3(27):1226-1232.[3]　KnightRL.ConstructedWetlandsforLivestockwastewatermanagement.EcologicalEngineering,2000,(15):41-55.[4]　LundLJ,HomeAJ,WilliamsAE.Estimatingdenitrificationinalargeconstructedwetlandusingstablenitrogenisotoperatios.EcolEng,2000,14(2):67-76.[5]　BrixH.Domacrophytesplayaroleinconstructedtreatmentwetlands.WaterSciTechnol,1997,35(5):11-17.[6]　DrizoA.Physico-chemicalscreeningofphosphateremovingsubstratesforuseinconstructedwetlandsystems.WaterResearch,1999,33(7):3595-3602.[7]　MbullgweSE.Comparativetreatmentofdye-richwastewaterinengineeredwetlandsystems(EWSS)vegetatedwithdifferentplants.WaterRes.2005,39(3):271-280.[8]　GearheatRA.Useofconstructedwetlandtotreatdomesticwastewater,cityofArcat、California.Science,1992,26(7):1625-1637.[9]　ZhangHC.Studyprogressinconstructedwetlandecosystemsforsewagepurification.TechniquesandEquipmentforEnvironmentalPollutionControl,2004,5(2):11-4.[10]　KongLY,NiJR.Characteristicsofthegeneralizedstructureofpollutantremovalmodelsforconstructedwetlands.ActaEcologicaSinica,2007,27(4):1428-1433.[11]　StateEnvironmentalProtectionAdministrationofChina.WaterandWastewaterexaminationanalysismethod.Beijing:ChineseEnviro