不同植物构成的人工湿地对生活污水中氮的去除效应刘育

　2005,14(4):46-48　　　　　　　JournalofPlantResourcesandEnvironment　　　　　　　　刘　育1,夏北成2(1.,510006;2.,510275):、,。,,〔CyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.〕、〔Vertiveriazizanioides(Linn.)Nash〕、(PhragmitascommunisTrin.)(CannaindicaLinn.)6%、8%、11%14%;5%、6%、13%9%;5%、7%、10%7%,。:;;;;:Q948.116　　:A　　:1004-0978(2005)04-0046-03Nitrogenremovalindomesticsewagebyconstructedwetlandwithdifferentplants　LIUYu1,XIABei-cheng2(1.ExperimentCenterofEastCampus,SunYat-senUniversity,Guangzhou510006,China;2.EnvironmentalScienceInstitute,SunYat-senUniversity,Guangzhou510275,China),J.PlantResour.Environ.2005,14(4):46-48Abstract:ThecontentsofNH4+-N,NO3--NandNO2--Ninconstructodwetlandsplantedwithdifferentplantsweredeterminedtocontrastthenitrogenremovaleffectindomesticsewage.Comparedwiththewetlandwithnoplant,inthewetlandswithCyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.,Vertiveriazizanioides(Linn.)Nash,PhragmitascommunisTrin.andCannaindicaLinn.,NH4+-Nremovalratiosincreased6%,8%,11%and14%respectively;NO3--Nremovalratiosincreased5%,6%,13%and9%respectively;andNO2--Nremovalratiosincreased5%,7%,10%and7%respectively.TheresultsshowthatthewetlandsplantedwithP.communisandC.indicahavebettereffectofnitrogenremovalindomesticsewage.Keywords:constructedwetland;wetlandplant;NH4+-N;NO3--N;NO2--N　　,。,,、[1～3]。,[4,5]。,[6,7]。1　材料和方法1.1　1.1.1　进水水质　,,pH,(BOD)117.58mg·L-1。78.27mg·L-1,3.33mg·L-1,0.54mg·L-1。1.1.2　人工湿地植物　4:〔CyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.〕、〔Vertiveriazizanioides(Linn.)Nash〕、(PhragmitascommunisTrin.)(CannaindicaLinn.)。1.2　1.2.1　水样的采集与分析方法　:2005-03-15:　(1975-),,,,,。3,15cm,3,。20033—20041,7d1。(GB7479—87);[8]。1.2.2　植物生长观测　A,B、C、D、E、、。A、B、C、D13.8m×3m;E12.8m×4.5m,。2003926—20041971,10,。2　结果和分析2.1　B、C、D、E41。50cm,10,,。110cm,4,11。140cm,14,2a,11。125cm,12。2.2　52。(A),,、、14%、11%、8%6%。,。1　1)Table1　Theaverageheightofplantsinconstructedwetland1)Wetlandplant/cmAverageheightatdifferenttime(MM-DD)09-2610-1110-1810-2511-0111-0811-1511-22Cy4040405050506060Ca100100110110110120120-Ve130130140140150150150-Ph110120120120130130130140　1)Cy:CyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.;Ca:CannaindicaLinn.;Ve:Vertiveriazizanioides(Linn.)Nash;Ph:PhragmitascommunisTrin.;-:Wiltingorfruiting.,。2.3　3。,,、、13%、9%、6%5%。,。,、,,,。2.4　54。,,、、10%、7%、7%5%,,。2　1)Table2　ComparisonofremovalratiosofNH4+-Nfromdomesticsewagebyconstructedwetlandswithdifferentplants1)Wetland/%　NH4+-Nremovalratioatdifferenttime(MM-DD)09-2610-1110-1810-2511-0111-0811-1511-2211-2912-0612-1312-1912-2701-0401-09A12.810.714.816.610.612.99.47.311.613.712.016.710.714.516.4B23.219.120.926.321.018.917.212.915.116.818.215.618.616.817.9C29.925.426.031.626.725.920.822.025.626.728.226.029.629.127.3D23.821.920.323.124.319.820.418.017.218.020.321.122.920.422.3E26.325.325.621.924.721.622.321.118.322.425.123.524.124.525.4　1)A:Wetlandwithnoplant;B:WetlandwithCyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.;C:WetlandwithCannaindicaLinn.;D:WetlandwithVertiveriazizanioides(Linn.)Nash;E:WetlandwithPhragmitascommunisTrin.47　4　　　　　　　　　　　:3　1)Table3　ComparisonofremovalratiosNO3--Nindomesticsewagebyconstructedwetlandswithdifferentplants1)Wetland/%　NO3--Nremovalratioatdifferenttime(MM-DD)09-2610-1110-1810-2511-0111-0811-1511-2211-2912-0612-1312-1912-2701-0401-09A11.18.215.412.19.67.511.510.78.512.912.25.414.910.411.8B13.414.714.316.120.817.913.216.014.610.014.321.214.819.215.3C18.522.019.718.122.017.617.216.519.122.019.821.318.521.019.5D18.115.416.817.313.217.916.115.412.814.017.219.816.720.120.2E23.823.424.623.526.220.623.521.317.720.921.926.123.924.726.1　1)A:Wetlandwithnoplant;B:WetlandwithCyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.;C:WetlandwithCannaindicaLinn.;D:WetlandwithVertiveriazizanioides(Linn.)Nash;E:WetlandwithPhragmitascommunisTrin.4　1)Table4　ComparisonofremovalratiosofNO2--Nindomesticsewagebyconstructedwetlandswithdifferentplants1)Wetland/%　NO2--Nremovalratioatdifferenttime(MM-DD)09-2610-1110-1810-2511-0111-0811-1511-2211-2912-0612-1312-1912-2701-0401-09A11.510.46.510.614.410.08.53.84.59.513.112.711.611.010.5B17.015.313.516.211.816.417.315.915.413.915.917.413.117.015.8C15.115.318.720.215.117.117.015.415.017.420.217.116.818.422.5D18.018.820.117.216.817.014.418.716.118.315.918.419.315.219.1E20.221.121.919.422.820.216.616.814.722.118.918.019.716.819.9　1)A:Wetlandwithnoplant;B:WetlandwithCyperusalternifoliusL.ssp.flabelliformis(Rottb.)Kiikenth.;C:WetlandwithCannaindicaLinn.;D:WetlandwithVertiveriazizanioides(Linn.)Nash;E:WetlandwithPhragmitascommunisTrin.3　讨　　论4,,。,,,。,,,。4,,,,。:[1]　SelmaC.Treatmentofwastewaterbynaturalsystems[J].EnvironmentInternational,2001,26:189-195.[2]　AmeliaK.Thepotentialforconstructedwetlandsforwastewatertreatmentandreuseindevelopingcountries:areview[J].EcologicalEngineering,2001,16:545-560.[3]　,,.[J].,2003,22(2):49-55.[4]　,,.[J].,2002,8(6):614-617.[5]　.[J].,2002,21(4):51-59.[6]　,　,　,.[J].,2003,24(1):113-116.[7]　,.[J].,1998,17(5):232-234.[8]　.[M].:,2003.213-361.(责任编辑:张垂胜)48　　　　　　　　　　　　　　　　　　　　　　　　　　　　14