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2014•Applied Mechanics and MaterialsOpen access

Research on the Plant Selection of Buffer Zone and Pollutants Removal Ability of Plants in Ashi River Basin

Fan Yang, Zhi Yuan Yan, Ying Nan Liu, Hui Han, Gong Wei, Hong Wei Ni

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Abstract

Eight aquatic plant species commonly found in northern China were studied on their removal ability and enrichment ability of nitrogen and phosphor in root, stems and leaf through the pot experiments. The result shows that when the concentration of TP and TN in entering water is ranged from 0.29 to 0.46mg/L and 4.69 to 4.74mg/L respectively,Lythrumsalicaria,IrispseudacorusandTyphaangustifoliahave the higher removal rate of TP, which increased by 18.61%, 17.8% and 16.44%, respectively, compared with the blank;Typha orientalis Presl,Phragmitesaustralisand T.angustifoliahave the higher removal rate of TN, which increased by 21.10%, 21.81%, 21.64%, respectively, compared with the blank.L.salicariahas the best removal ability of TP, the removal rate of TP in root,stem and leaf arrived at 3.57%, 2.13% and 3.34% compared with control.T.orientalis Preslhas the best removal ability of TN. Among the test plant species,L.salicaria, T.orientalis Presl andT.angustifoliaare the best one for the water purification in Ashi River basin.

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What this paper is about

Eight aquatic plant species commonly found in northern China were studied on their removal ability and enrichment ability of nitrogen and phosphor in root, stems and leaf through the pot experiments. The result shows that when the concentration of TP and TN in entering water is ranged from 0.29 to 0.46mg/L and 4.69 to 4.74mg/L respectively,Lythrumsalicaria,IrispseudacorusandTyphaangustifoliahave the higher removal rate of TP, which increased by 18.61%, 17.8% and 16.44%, respectively, compared with the blank;Typha orientalis Presl,Phragmitesaustralisand T.angustifoliahave the higher removal rate of TN, which increased by 21.10%, 21.81%, 21.64%, respectively, compared with the blank.L.salicariahas the best removal ability of TP, the removal rate of TP in root,stem and leaf arrived at 3.57%, 2.13% and 3.34% compared with control.T.orientalis Preslhas the best removal ability of TN. Among the test plant species,L.salicaria, T.orientalis Presl andT.angustifoliaare the best one for the water purification in Ashi River basin.

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Available abstract

Eight aquatic plant species commonly found in northern China were studied on their removal ability and enrichment ability of nitrogen and phosphor in root, stems and leaf through the pot experiments. The result shows that when the concentration of TP and TN in entering water is ranged from 0.29 to 0.46mg/L and 4.69 to 4.74mg/L respectively,Lythrumsalicaria,IrispseudacorusandTyphaangustifoliahave the higher removal rate of TP, which increased by 18.61%, 17.8% and 16.44%, respectively, compared with the blank;Typha orientalis Presl,Phragmitesaustralisand T.angustifoliahave the higher removal rate of TN, which increased by 21.10%, 21.81%, 21.64%, respectively, compared with the blank.L.salicariahas the best removal ability of TP, the removal rate of TP in root,stem and leaf arrived at 3.57%, 2.13% and 3.34% compared with control.T.orientalis Preslhas the best removal ability of TN. Among the test plant species,L.salicaria, T.orientalis Presl andT.angustifoliaare the best one for the water purification in Ashi River basin.

Key concepts: Typha angustifolia, Phragmites, Biology, Pollutant, Typha, Aquatic plant, Horticulture, Botany

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