不同水生植物组合对富营养化水体净化的模拟研究窦艳艳

8888888888888888888888888888888888888888888888888888EnvironmentalScience&Technology38820158Vol.38No.8Aug.2015《》2015-03-232015-05-07(142102210521)[e-mail]*[e-mail]。12,3*21.4500072.4000743.4000748Rohdeajaponica、Dracaenareflexa、Chamaedoreaelegans、CabombacarolinianaGray、Dwartswordplant、Vallisnerianatans(Lour.)Hara、Salvinianatans(L.)All.LemnaminorL7。7NO3--N、NH4+-N、TNTP40.4%~97.5%、57.8%~89.9%、48.9%~91.5%75.5%~92.8%。T5++++、T7++++、T2++++、。、、T5、。X52Adoi10.3969/j.issn.1003-6504.2015.08.0421003-6504(2015)08-0223-05PurificationEfficiencyofDifferentAquaticPlantsinEutrophicWaterDOUYanyan1,CHENYao2,3*,LIChunlong21.SchoolofEnergyandEnvironment,ZhongyuanUniversityofTechnology,Zhengzhou450007,China;2.SchoolofRiverandOceanEngineering,ChongqingJiaotongUniversity,Chongqing400074,China;3.KeyLaboratoryforHydraulicandWaterTransportEngineeringofMinistryofEducation,ChongqingJiaotongUniversity,Chongqing400074,ChinaAbstractEightaquaticplantssuchasRohdeajaponica,Dracaenareflexa,ChamaedoreaElegans,CabombacarolinianaGray,DwartSwordPlant,Vallisnerianatans(Lour.)Hara,Salvinianatans(L.)All.andLemnaminorL,whichhavestrongornamentaleffect,composedintosevencombinations,andthenpurificationefficiencyofsimulatedeutrophicwaterwiththeseassembledaquaticplantswasstudied.Resultsshowthatallthesekindsofhydrophytesineutrophicwatercannormallygrowanddevelop,andhavegoodremovalabilitytonitrogenandphosphorus,whilethereisalittlesignificantaboutthedifferenceinpurificationcapacityofdifferentcombinations,withremovalrateofNO3--N,NH4+-N,TNandTParound40.4%~97.5%,57.8%~89.9%,48.9%~91.5%and75.5%~92.8%,respectively.Amongallthesecombinations,Rohdeajaponica,ChamaedoreaElegans,Dwartswordplant,Vallisnerianatans(Lour.)Hara,Salvinianatans(L.)All.andLemnaminorLingroupT5,andRohdeajaponica,Dracaenareflexa,Dwartswordplant,Vallisnerianatans(Lour.)Hara,Salvinianatans(L.)All.andLemnaminorLingroupT7showagoodperformanceinpollutantsremoval,whereasDracaenareflexa,Chamaedoreaelegans,CabombacarolinianaGray,Vallisnerianatans(Lour.)Hara,Salvinianatans(L.)All.andLemnaminorLinT2havetheworstpurification.Consideringcomprehensivelytopurificationability,growthcharacteristic,sceniceffectandecologicaleffect,thecombinationingroupT5,whichhassomeadvantagessuchasgoodornamentaleffect,highandstableremovalrateof38383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838nutrients,isthebestassembledaquaticplantstoecologicalwaterscapeofresidentialareasinChongqingandothersimilarclimatic-bandregions.Keywordsaquaticplants;eutrophication;nitrogenandphosphorus;purificationefficiency。。、。[1-2]。“”“”[3]。[4]。。。、。。7。11.1Dracaenareflexa、Chamaedoreaelegans、RohdeajaponicaCabombacarolinianaGray、Dwartswordplant、Vallisnerianatans(Lo-ur.)HaraLemnaminorL、Salvinianatans(L.)All.。、。HoaglandpH6.0~6.9TP0.33~0.38mg/LTN7.0~7.8mg/LNH4+-N0.41~0.60mg/LNO3--N3.9~4.7mg/L。1.241.5cm×29cm×22.5cm17L。、。、。8T1+++++、T2++++、T3++++、T4++++、T5++++、T6++++、T7++++、CK。、。。1/3+91/3+。5dTN、NH4+-N、NO3--NTP。22.1NO3--NNO3--N1。888888888888888888888888888888888888888888888888888817NO3--NT4、T5T7CKNO3--NNO3--N4.50、4.184.16mg/L95.7%、97.5%92.6%。T2CK40%。CKNO3--N。T1、T3T6NO3--NNO3--N5d0.55、0.530.43mg/L10d1.49、2.263.03mg/L。NO3--NNH4+-NNO3--N3NO3--N76.3%、58.6%73.3%。NO3--NT597.5%T495.7%T792.6%T176.3%T673.3%T358.6%T240.4%。2.2NH4+-NNH4+-N2。2CKNH4+-N。T6T7NH4+-N0.06mg/L88.0%。CK。T20.15mg/LNH4+-N。NH4+-N76.0%、57.8%72.0%、76.0%、72.0%、88.0%89.9%。NH4+-N。[5]NH4+-N、、[6]NH4+-N。NH4+-NNO3--NNH4+-N0~5dNH4+-NNH4+-NNO3--N。T2NH4+-NNO3--NNH4+-NNO3--N、NO3--NCK。2.3TNTN3。37TNTNCK。T5TN0.60mg/L91.5%CK2.8《》GB3838-2002T6T7TN2.0mg/L74.2%72.5%。T3TN48.9%。7TNCK。CKTNNO3--NTNNO3--N。TN。0~5dCK。T4T738383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838383838、、T4T7TN28.1%24.0%。TN。T1、T2、T3T4TN10dTN50%。TN。T5TNTN5d4.0%10d81.5%15d91.5%。T6T7TN5d12.4%24.0%15d74.2%72.5%。7TN、NH4+-NNO3--N、TNT591.5%T674.2%T772.5%T152.9%T452.5%T251.7%T348.9%。2.4TPTP4。4CKTP0.1mg/L。TP0~5d。715dTP86.5%、75.5%、87.3%、76.9%、85.0%、90.3%、92.8%46.2%TPT7T6T3T1T5T4T2。CKTPNH4+-N。、。TP。CKTP。[7-8]。TP。2.5[9]。。60.0mg/L[10]、[11][12]。、GB3838-2002TN、NH4+-NTPT5T7。2。T5T7NH4+-NTPTN。T5T7TN91.5%72.5%T5。、T7。T5。T5++++、、。318888888888888888888888888888888888888888888888888888TN、NH4+-NNO3--N、。7NO3--NT597.5%T495.7%T792.6%T176.3%T673.3%T358.6%T240.4%NH4+-NT789.9%T688.0%T1、T476.0%T3、T572.0%T257.8%TNT591.5%T674.2%T772.5%T152.9%T452.5%T251.7%T348.9%。。2TPTPT792.8%T690.3%T387.3%T186.5%T585.0%T476.9%T275.5%。、。3、、T5++++、、。。[][1].[J].2014,35(5):1718-1726.LiRuzhong,LiuKefeng,QianJing,etal.Nitrogenandphos－phatepollutioncharacteristicsandeutrophicationevaluationfortypicalurbanlandscapewatersinHeifeiCity[J].Environ－mentalScience,2014,35(5):1718-1726.(inChinese)[2].[J].2012,35(S1):370-372.JiangWei,ChaiXia,YanFei.WaterqualitysurveysinCheng-duandeutrophication[J].EnvironmentalScience&Technolo-gy,2012,35(S1):370-372.(inChinese)[3].[J].2010,26(14):93-95.ChenLin,SheLihua,GuWei,etal.Applicationofqualitymaintenancetechnologytolandsca