3种挺水植物对生活污水主要污染物净化能力的研究赵钰

226200812JournalofSoilandWaterConservationVol.22No.6Dec.,2008　3＊赵钰,李多松,栾晓丽,强艳艳((),221008):(Iristectorum)、(RanunculussceleratusL.)、(RumexacetosaL.)3,。,,3。(HRT)7d,COD,TP,TN46.74%,17.71%,11.33%;COD,TP,TN39.82%,28.59%,8.88%;COD,TP,TN54.69%,20.26%,7.47%。,3。:;;;:X703.1　　　:A　　　:1009-2242(2008)06-0075-03StudyonPurifiedEfficiencyofMainPollutantsfromDomesticWastewaterbyThreeMacrophytesZHAOYu,LIDuo-song,LUANXiao-li,QIANGYan-yan(JiangsuKeyLaboratoryofResourcesandEnvironmentalInformationEngineering(ChinaUniversityofMiningandTechnology),Xuzhou,Jiangsu,221008)Abstract:SelectthreemacrophytesIristectorum,RanunculussceleratusL.andRumexacetosaL.cultivatingwithnosoiltostudytheirgrowthcharacteristicsandtheirabilitytoremovalmainpollutantsfromdomesticwastewater.Theexperimentswentonduringlatespringtoearlysummer,theresultsshowthatthetestplantsgrowwell.Whentheretentiontimeis7d,thecontributionratesofIristectorumontheremovalofCOD,TP,TNare46.74%,17.71%,11.33%;whileRanunculussceleratusare39.82%,28.59%,8.88%;Rumexacetosaare54.69%,20.26%,7.47%.Afterthetreatmentthequalityofwastewaterisimprovedprominent-ly,whichindicatesthatthesethreemacrophytesappliedtoconstructedwetlandarefeasible.Keywords:macrophyte;domesticwastewater;biomass;removalratios,、。,[1,2]。、、,,。,。,。(Iristectorum),,;(RanunculussceleratusL.)、(RumexacetosaL.)。3,。。1　材料与方法1.1　3、、,20073。,,。1.2　,COD113.0～137.0mg/L,NH+4-N28.4～43.9mg/L,TN37.9～51.8mg/L,TP2.7～9.1mg/L,pH7.0～7.2mg/L。＊　:2008-07-23:(OP061059):(1984-),,,,。E-mail:[e-mail],,。1.3　3(38cm,35cm,32cm,28cm,35cm),3,(,)。,,6L。,200736,80d,20℃。。(HRT)7d,8NH+4-N,TN,TP,COD,。1.4　,COD、(NH+4-N)、(TN)、(TP)、、[3]。,。3。2　结果和分析,。0.95～2.06,0.86～1.28,,32.0cm98.1cm,2;、,681g,609g1550g,1310g,1。1　/cm31642342962/g3164234296238.556.362.175.068111091096155036.054.061.276.060910231128131032.054.267.498.1741111811991380　　　1　COD　　　　　2　TP2.1　COD1,COD,,。3COD,,COD,[4]。HRT=7d,COD57.70%,50%,49.75%42.83%;HRT,3COD;HRT≥6d,COD,,6d。HRT4d,,4d3.01%,。,,[5](Altemantheraphiloxeroides)、(Pistiastratiotes)、(Azollaimbricata)、(Spirodelapolyrrhiza)、(Lemnaminor)(Eichhorniacrassipes)(Chlemydomonasheinhardi)。,3、COD54.69%,46.74%39.82%。2.2　TPHRT=1d,、、TP80.77%,68.08%61.11%,76　　　　　2215.39%(2);HRT,,HRT4d,TP;HRT=7d,、、TP92.93%,82.05%,84.60%64.34%,,、、P28.59%,17.71%20.26%。,P[6]。,P,P,P30%,、、3,。Al-Nozaily[7],,2%～42%;[6],。,。3　NH+4-N　　　　4　TN2.3　NH+4-N,NH+4-N。3,HRT≥2d,3NH+4-N98%;HRT=7d,4NH+4-N,100%。NH+4-NN,pH,NH+4-N[1]。2.4　TNHRT5d,TN,5d(4);HRT=7d,、、TN93.67%,91.22%,89.81%82.34%,,、N11.33%,8.88%7.47%。、/、,/[8]。,8%～16%[9-10],。,N,P,,,P,N,、。3　结论(1)3,2,0.95～2.06,0.86～1.28。[11],N,P,,3、,。(2),3NP。HRT=5d,、TN92.98%,90.96%89.47%,TP81.33%,92.88%84.42%。3COD,HRT=6d,、COD47.78%,42.30%60.10%,HRT6d,。(3)3N;P;。,,、、3。下转第131页776　　　　　:358.9%,20-40,40-60cm2.693.08,,,1-7,7,。(3),40-60cm,20-40cm。,,、、、、,;,、、pH,[17],,。:[1]　,,,.[J].,2006,17(12):2292-2296.[2]　,,.[J].,2006,17(11):2029-2033.[3]　,,.[J].,2002,19(1):17-19.[4]　.[J].,2005,41(1):10-13.[5]　.[M].:,2002.[6]　,.[J].,2004,40(6):20-24.[7]　,,.[J].,2003,17(4):15-21.[8]　,.[J].,2006,23(3):248-254.[9]　.:[M].:,1996.[10]　BrookesPC,LandmanA,PrudenG,etal.Chloroformfumigationandthereleaseofsoilnitrogen:Arapiddirectextrac-tionmethodtomeasuremicrobialbiomassnitrogeninsoil[J].SoilBiol.Biochem,1985,17:837-842.[11]　WuJ,JoergensenRG,PommereningB,etal.MeasurementofsoilmicrobialbiomassCbyfumigation-extraction-anauto-matedprocedure[J].SoilBiology&Biochemistry,1990,22:1167-1169.[12]　.、[D].:,2006.[13]　,,,.[J].,2000,19(4):46-49.[14]　,,.[J].,1998,15(1):32-36.[15]　,,.[C]//..:,1992:66-72.[16]　,,,.[J].,2006,23(1):70-74.[17]　PaulKI,PolglasePJ,NyakuengamaJG,etal.Changeinsoilcarbonfollowingafforestation[J].ForestEcologyandManagement,2002,168:241-257.责任编辑:李鸣雷　刘　英上接第77页:[1]　VymazalJ.Removalofnutrientsinvarioustypesofconstructedwetlands[J].ScienceoftheTotalEnvironment,2007,380:48-65.[2]　HarmmerDA,BastianRK.Wetlandsecosystems:naturalwaterpurifiers[M]//HammerDA.Constructedwetlandsforwastewatertreatment.Chelsea,Michigan:LewisPublishers,1989:5-19.[3]　.[M].:,2002:246-285.[4]　,,,.COD、[J].,2004,15(12):2337-2341.[5]　,.[J].,2006,4(2):146-153.[6]　,,,.[J].,2006,25(4):383-388.[7]　Al-NozailyF,AlaertsG,VeenstraS.Performanceofduck-weed-coveredsewagelagoonsⅡ.Nitrogenandphosphorusbal-anceandplantproductivity[J].WaterRes.,2000,34:2734-2741.[8]　,,.[J].,2006,26(8):2670-2677.[9]　,,,.[J].,2006,26(1):30-33.[10]　,,,.[J].,2006,27(2):253-256.[11]　,,,.、[J].,2005,11(5):597-601.责任编辑:付会芳1316　　　　　: