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当前位置:首页 > 商业/管理/HR > 企业文化 > 7种典型挺水植物净化生活污水中氮磷的研究杨林
20113330616-0621http//xuebao.jxau.edu.cnActaAgriculturaeUniversitatisJiangxiensisE-mailndxb7775@sina.com7121*311.3300452.3302003.3300457。、、、P<0.05P<0.050.9。60%~80%。X173A1000-2286201103-0616-06StudiesonSevenTypicalEmergingPlantsAbsorbingNitrogenandPhosphorusinConstructedWetlandsYANGLin1WUBin2LAIFa-ying1*ZHANGJun3GAOYong-sheng11.CollegeofLandResourcesandEnvironmentJAUNanchang330045China2.NanchangCountyEnvironmentalProtectionAgencyNanchang330200China3.CollegeofNanchangBusinessJAUNan-chang330045ChinaAbstractEmergingplantsarethemaintypesofplantsfortheconstructedwetlandvegetationsystem.Inthistestseventypicalemergingplantswhichhaveacertainlandscapeeffectandeconomicvalueareselectedtostudytheirdegradationaccumulationanddistributionofnitrogenandphosphorusinconstructedwetlandswhichprovidesatheoreticalbackboneforthepromotionofconstructedwetlands.TheexperimentresultsshowedthatCannaindicaIrispseudacorusVetiveriazizanoidesandSchoenoplectuslacustrisallhaveastrongdegradationabilityofnitrogenandphosphorusandtheirdegradationofnitrogenandphosphorushasalinearcorrelationwithHRTafteraperiodofadaptationtoconstructedwetlandsandthecorrelationcoefficientsarelargerthan0.9.Theseindicatethattheyhaveastableabsorptionofnitrogenandphosphorus.Thetotalplantuptakeofnitrogenandphosphorusaccountsfor60%to80%oftheoverallnutrientremovalinconstructedwet-lands.Keywordswetlandsemergingplantlifecyclenitrogenandphosphorus2011-12-082011-03-24“”2008BAD96B041982—E-mailyanglin5201234@163.com*E-maillaifyjx@126.com。371Fig.1Screeningtestplansplant1。、2-4、、、。567。N、P8-10。、11-12。、13、。11.1Coixlacryma-jobi、Vetiveriazizanoides、Acoruscalamus、Cannaindi-ca、Zizanialatifolia、Phragmitesaustralis、Irispseudacorus。1.27125cm、50cm25cm10、2。CODcr125.01~81.80mg/L10.9-9.1mg/L1.01~0.58mg/L80L32d1TP、TN。。32。1.390℃。H2SO4-H2O214。1.4PAPA=PB×PC1PBPCRR=∑3i=1ICi-OCi×Qi∑3i=1ICi×Qi2·716·33ICiOCiiQii。SPSS17.0。22.110~10d210~20d320~30d、、、、、。1。1Tab.1ThegeneralvaluationofdifferentplantsduringwatercultivatingexperimentPlantspeciesPlantgrowingRootStalkLeafCoixlacryma-jobi+++++Vetiveriazizanoides++++++Acoruscalamus+++Cannaindica++++++Zizanialatifolia---Phragmitesaustralis---Irispseudacorus+++++++++-。++expressvigorous+expressmedia-expressweak.2.2223.4~437.1g437.1g17.5gP<0.05。2.383~24.550g0.867~14.417g。。56.02%19.47%30%~43%。2Tab.2ThebiomasschangeofdifferentplantsduringwatercultivatingexperimentPlantspecies/gWeightofvegetableatinitial/gWeightofvegetableaffina/gWeightofvegetable/gDryweightofvegetableaffineUndergroundAbovegroundCoixlacryma-jobi147.8556.2248.4*24.456.5Vetiveriazizanoides380.4783.6413.2*67.6147.3Acoruscalamus203.5279.375.8*15.332.4Cannaindica521.3958.4437.1*37.554.1Zizanialatifolia156.3173.817.5*10.714.3Phragmitesaustralis36.259.623.4*5.221.5Irispseudacorus645.0913.2268.2*86.567.9*5%。*significantat0.05level.·816·3723Fig.2Totalnitrogenremovalindomesticsewageduringthereofdifferentplants33Fig.3Totalphosphorusremovalinsewageduringthreeofdifferentplants。、、。2.3TN。TN2。1TN。P>0.052、、、P<0.05TNr>0.943P<0.05TN90.70%72.39%TNr0.9710.997、0.9。2.4TP3TP3。1P<0.052TPTPr0.9、、86.49%、80.99%79.99%3P<0.05TPTPr0.9、、29.70%、36.65%44.00%、、、86.39%、83.99%、79.59%67.60%。7。·916·332.5795.048~2636.5728.789~345.073mg321.038~1778.80233.178~225.311mg3P<0.05。、、、。60%~85%60%~80%。3Tab.3NitrogenandphosphoruscontentanddistributionofplantsafterwatercultivatingexperimentPlantspecies/mgPlantnitrogenUndergroundAboveground/mgPlantphosphorusUndergroundAbovegroundCoixlacryma-jobi553.5971104.848*52.966177.217*Vetiveriazizanoides902.4851636.513*97.098158.382*Acoruscalamus524.054822.255*68.921112.659*Cannaindica744.0351277.973*70.120136.075*Zizanialatifolia193.649321.038*25.52646.063*Phragmitesaustralis95.048436.142*8.78933.178*Irispseudacorus2636.5721778.802*345.037225.611**5%。*significantat0.05level.2.64Tab.4NitrogenandphosphoruscontentanddistributionofplantsafterwatercultivatingexperimentPlantspecies/gAccumulationofnitrogenandphosphorusNitrogenPhosphorus/%NitrogenandphosphorusremovalefficiencyNitrogenremovalefficiencyPhosphorusremovalefficiencyCoixlacryma-jobi979.204135.90857.0557.93Vetiveriazizanoides1149.918112.92273.8779.01Acoruscalamus365.37849.27937.7045.37Cannaindica1344.137137.06943.6663.82Zizanialatifolia51.8247.20827.2036.12Phragmitesaustralis208.55416.47724.3847.39Irispseudacorus1006.659130.10268.7975.20r=0.7756P<0.05r=0.8204P<0.054、。33.115·026·37①437.1g17.5g②90.70%72.39%r0.971③TPr0.9、、、86.39%、83.99%、79.59%67.60%④795.048~2636.572mg8.789~345.073mg60%~85%60%~80%。3.2P<0.05。P<0.05。1.J.200511-6.2.、、M.2004200-256.3.J.200524271-75.4.J.20032687-90.5.J.2003236-40.6.、J.2006252218-221.7.D.20055.8KantawSPilailaSTanapiyawWetsetal.Wastewatertreatmentbytropicalplantsinvertical-flowconstructedwetlandsJ.WaterSciTechnol1999403173-178.9KoottatepT.RoleofplantuptakeonnitrogenremovalinconstructedwetlandslocatedinthetropicsJ.WaterSciTechnol199736121-8.10LundLJHorneAJWilliamsAE.Estimatingdenitrificationinalargeconstructedwetlandusingstablenitrogenisotopera-tiosJ.EcolEng20001467-76.11BrijG.Naturalandconstructedwetlandsforwastewatertreatment.potentialandpro
本文标题:7种典型挺水植物净化生活污水中氮磷的研究杨林
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