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2007,13(4):454～457 ChinJApplEnvironBiol=ISSN1006-687X 2007-08-25 :2006-03-06 :2006-09-04＊(No.30370280),(No.143-130411) SupportedbytheNationalNaturalScienceFoundationofChina(No.30370280),theEco-logicalRiverConstructingProjectoftheWaterSourceEngineeringManagementDepartmentofShenzhen,China(No.143-130411)andtheSpecialProjectofKeyLab.ofBiologicalResourcesConservationandUti-lizationofAnhui,China＊＊ Correspondingauthor(E-mail:zhoushoubiao@vip.163.com)＊周守标1＊＊ 王春景1 杨海军2 王贵军1 王影1 李金花1(1 241000)(2 130024) (Zizanialatifolia)(Acoruscalamus),、、33.,.;,.TN、NH3-N、TPCODCr97.4%、95.3%、98.5%71.4%,TN、NH3-N、TPCODCr96.4%、97.7%、88.2%76.1%,.、.,TN、NH3-N、TPCODCr97.5%、94.1%、98.5%72.7%;NH3-NCODCr,97.8%86.7%,TNTP89.5%70.9%,TNTP.1413 ;;;;CLC X173GrowthofZizanialatifoliaandAcoruscalamusinSewageandTheirEffectonSewagePurification＊ZHOUShoubiao1＊＊,WANGChunjing1,YANGHaijun2,WANGGuijun1,WANGYing1LIJinhua1(1CollegeofLifeSciences,AnhuiNormalUniversity,Wuhu241000,Anhui,China)(2InstituteofGrasslandScience,NortheastNormalUniversity,Changchun130024,China)Abstract Withfloatingcultivation,thegrowingcharactersofZizanialatifoliaandAcoruscalamusinsewageatlow,mediumandhighconcentrations,andtheireffectsonsewagepurificationwerestudied.TheresultsindicatedthatZ.latifoliaandA.calamusgrewbestinthesewageatmediumconcentration.ThebiomassofZ.latifoliainlowandhighconcentrationtreatmentswasgreatlylessthanthatinmediumconcentrationtreatment.ThebiomassofA.calamusinthesewageatmediumconcentra-tionwasalittlehigherthanthatatlowandhighconcentrations,butnosignificantdifferenceswereshownamongthem.There-movalratesofTN,NH3-N,TPandCODCrbyZ.latifoliainmediumconcentrationtreatmentwere97.4%,95.3%,98.5%and71.4%,respectively,andthoseathighconcentrationwere96.4%,97.7%,88.2%and76.1%,respectively.Thepur-ificationefficiencyofZ.latifoliaatlowconcentrationwassignificantlylessthanthatatmediumandhighconcentrations.Z.latifoliacouldpurifythewastewateratmediumandhighconcentrations.A.calamusshowedthebesteffectonpurificationatmediumconcentration.TheremovalratesofTN,NH3-N,TPandCODCrwere97.5%,94.1%,98.5%and72.7%,respec-tively.A.calamusalsohadprettygoodeffectonpurifyingNH3-NandCODCrathighconcentration,andtheirremovalrateswere97.8%and86.7%,respectively.A.calamusshowedtheworsteffectonpurifyingTNandTP,andtheirremovalrateswere89.5%and70.9%.Fig1,Tab4,Ref13Keywords Zizanialatifolia;Acoruscalamus;sewage;phyto-purification;growthcharacterCLC X173 ,.2070,[1～3],、、、、,(Phragmitesaustralis)、(Typhalatifolia)、(Juncuseffusus)、(Eich-horniacrassipes)、(Lemnaminor)、(Cyperusalternifo-lius)、,、,.(ZizanialatifoliaTurcz.)(AcoruscalamusL.),,.,[4～6],.、、3,、.1 1.1 ,、、,4d,.22.4cm,19.3cm.,、、3(1).“”(GB3838-2002),3pH、,Ⅴ.1.2 (22cm,21cm)7L,,,4.3,,7d、.200549,40d.1.3 、、、、、、.[7]:pH,pH;(TN),-;(NH3-N),;(TP),;(CODCr),;(Cu、Zn、Pb、Cd),.1 3(ρ/mgL-1)Table1 Waterqualitiesofthe3sewages(ρ/mgL-1)TreatmentpHTNNH3-NTPCODCrCuZnPbCdLowconc.(25%sewage+75%tapwater)7.7810.233.210.4654.170.040.060.01-Mediumconc.(50%sewage+50%tapwater)7.5719.125.860.88104.170.090.120.02-Highconc.(100%sewage)7.7136.5111.641.72204.170.130.190.040.0017Ⅴ(GB3838-2002)2.02.00.2401.02.00.10.012 2.1 ,、、、..、、,3.,(2).,,.,3(1-A).(R∶S),、(1-B).2.2 340d,3TN、NH3-N、TPCODCr(3).,TNTP,NH3-N,CODCr..,TNTP,CODCr,NH3-N.2 (N=3,x±s)Table2 GrowthofZ.latifoliaandA.calamusinthe3sewages(N=3,x±s)PlantConcentration(h/cm)Plantheight(lav/cm)Meanlengthofroots(hmax/cm)LengthoflongestrootNumberofroots(m/g)FreshweightZ.latifoliaLow52.5±4.6a9.8±0.3a20.6±0.9a28.0±1.0a3.5±0.4aMedium67.3±2.8b15.9±3.0b57.2±4.2b36.0±6.1b5.7±0.4bHigh46.6±4.3a10.5±1.9a25.8±11.1a28.7±3.1b2.5±1.2aA.calamusLow43.8±1.5a10.9±0.4a23.3±0.8a12.3±3.5a5.5±1.4aMedium44.7±5.1a13.7±0.6b36.1±5.0b17.7±1.5b5.3±0.8aHigh44.0±6.4a10.0±1.1a28.9±0.9a11.3±0.6a5.3±0.9a ,(LSD,P=0.05) Forthesamespecies,thevalueswithdifferentlettersinthesamecolumnsdiffersignificantlyatlevelofP=0.05accordingtoLSDtest455 4: 1 3(A)(B)(N=3,x±s)Fig.1 Biomass(A)androot/shootratio(B)ofZ.latifoliaandA.calamusgrowinginsewageat3concentrations(N=3,x±s),(LSD,P=0.05)Forthesamespecies,thevalueswithdifferentlettersdiffersignificantlyatthelevelofP=0.05accordingtoLSDtest3 40d3(ρ/mgL-1,N=3,x±s)Table3 Waterqualitiesofthe3sewagesafteraffectedbyZ.latifoliaandA.calamusfor40days(ρ/mgL-1,N=3,x±s)TreatmentPlantTNNH3-NTPCODCrLowZ.latifolia0.84±0.14a0.20±0.06b0.14±0.02a25.75±2.35aA.calamus0.37±0.12b0.36±0.05a0.03±0.01b23.04±6.21aMediumZ.latifolia0.49±0.17a0.28±0.06a0.01±0.01a29.81±2.34aA.calamus0.47±0.15a0.35±0.08a0.01±0.01a28.46±4.07aHighZ.latifolia1.33±0.54b0.27±0.06a0.20±0.01b48.78±4.06aA.calamus3.83±0.41a0.26±0.09a0.50±0.30a27.10±2.35b,(t,P=0.05)Forthesewageatthesameconcentration,thevalueswithdifferentlettersinthesamecolumnsdiffersignificantlyatthelevelofP=0.05accordingtottest. 4,TN,、;TP,3;NH3-N,、;CODCr,、.,.TN,、;NH3-NCODCr,3;TP,3.,.,TNTP,CODCr,NH3-N;,4;,TNTP,NH3-N,CODCr.4 TN、NH3-N、TPCODCr(r/%,N=3,x±s)Table4 RemovalratesofTN,NH3-N,TPandCODCrinthesewagebyZ.latifoliaandA.calamus(r/%,N=3,x±s)PlantTreatmentTNNH3-NTPODCrZ.latifoliaLow91.8±1.3a93.7±1.7a68.8±3.3a52.5±4.3aMedium97.4±0.