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9220103()JournalofHangzhouNormalUniversity(NaturalScienceEdition)Vol.9No.2Mar.2010:2010-01-30:(2008XNZ10);(D04031001).:(1969—),,,,,.E-mail:guolixin2001@sohu.com:1674-232X(2010)02-0124-03郭立新(杭州师范大学生命与环境科学学院,浙江杭州310036) :,,(LoliumperenneL.).,、.A、53.9%43.4%;B51.0%38.0%.、.:;;;:X506 :A,,、.、,;,[1].、,[2-6].,、,,、、、,、、、、,[7].(LoliumperenneL.),,,,,.,.、,,.1 Table1 InitialwaterqualitiesofwastewatersAB(mg/L)103.541.76(mg/L)104.8746.52(℃)7.258.10pH9.310.11 试验材料和方法1.1 .2,,50g/m2.31.5m(L)×0.6m(W)×0.3m(H)PVC,15d,.2AB,(CK),.1.1.2 30.6m2,A、B100L.16d,2d1,,、、pH、.(GB7479-87),(GB11894-89),pH.3、.2 结果与分析2.1 1、2,,16dA103.5mg/L40.75mg/L,53.9%;104.87mg/L59.35mg/L,43.4%.B41.76mg/L20.45mg/L,51.0%;46.52mg/L28.84mg/L,38.0%..2.2 ,、(3、4).,,,.4d,,.16d,、,33.47g/100cm2,3.27g/100cm2,3.553g/100cm2;11.76cm,11.01cm12.26cm.BA,BA.125 2:3 结 论、.,16d,A、53.9%43.4%,B、51.0%38.0%,.,AB3.47g/100cm2,3.27g/100cm2,11.76cm11.01cm,,AB.,,,..,,.,,、,,、.:[1].[J].,2008(2):24-26.[2],,,.[J].,2000(2):99-101.[3],,,.ORP[J].,2004,25(4):54-58.[4].[J].,2004,1(15):46-51.[5]MaineMA,SuneN,HadadH,etal.Influenceofvegetationontheremovalofheavymetalsandnutrientsinaconstructedwetland[J].JournalofEnvironmentalManagement,2007,10:355-363.[6]LinYingfeng,JingSR,LeeDY.Thepotentialuseofconstructedwetlandsinarecalculatingaquaculturesystemforshrimpculture[J].EnvironmentalPollution,2003,123:107-113.[7],,.[J].,2004,23(1):48-50.StudyontheEfficiencyofPurificationofNitrogenousWastewaterbyPerennialRyegrassGUOLi-xin(CollegeofLifeandEnvironmentalScience,HangzhouNormalUniversity,Hangzhou310036,China)Abstract:Theexperimenthastreatednitrogenouswastewaterwithdifferentconcentrationbyperennialryegrass(LoliumperenneL.)whichiscultivatedinwaterandplantedintheconstructedtanks.Theresultsshowthattheperennialryegrasssystemhasgreatabilitytoremoveammonia-nitrogenandtotalnitrogen.Theremovalefficiencyofammonia-nitrogenandtotalnitrogenis53.9%and43.4%respectivelyinthewastewatersampleA,inthesampleB,theremovalefficiencyis51.0%and38.0%espectively.Ontheotherhand,theheightandfreshweightoftheplantshaveincreasedwell.Keywords:LoliumperenneL.;wastewatertreatment;ammonia;totalnitrogen126()2010