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He Na, Sun Zhanxiang, Zhang Yulong, Liu Mingda. Efficiency of removing nitrogen and phosphorus from simulated wastewater using hydrophytes[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1295-1300.
Citation: He Na, Sun Zhanxiang, Zhang Yulong, Liu Mingda. Efficiency of removing nitrogen and phosphorus from simulated wastewater using hydrophytes[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1295-1300.
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Efficiency of removing nitrogen and phosphorus from simulated wastewater using hydrophytes

  • 1.

    Liaoning Academy of Agricultural Sciences, Shenyang 110161, China

  • 2.

    College of Land and Environment, Shenyang Agriculture University, Shenyang 110161, China

  • Received Date: 16/07/2012
    Accepted Date: 16/02/2012
    Available Online: 09/04/2013
    Fund Project:
  • The removal of nitrogen and phosphorus from aqueous solutions of a synthetic medium was examined using various aquatic plants, such as Pistia stratiotes, Eichhornia crassipes, Acorus calamus, Typha latifolia, Sagittaria sagittifolia and Scirpus tabernaemontani. It was found that all the hydrophytes studied in the test were capable of absorbing the nutrients substance effectively, the removal efficiencies of hydrophytes systems for NH4-N, NO3-N and TP were 93.71%~97.32%, 376.69%~92.47% and 76.69%~92.47%, respectively. Among the aquatic plants, Acorus calamus gave the highest NH4-N removal efficiency, Sagittaria sagittifolia gave the highest NO3-N removal efficiency and Typha latifolia gave the highest TP removal efficiency from the simulated solutions. The uptake of N and P and their accumulation in macrophytes accounted for 11.71%~54.57% and 7.61%~64.56% of the nitrogen and phosphorus removal efficiency. For the different plant species, there are differences in the removal ability to nutrients. Therefore, we should select the suitable single hydrophyte or plant species combination to different pollutants for repairing the contaminated water.
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Efficiency of removing nitrogen and phosphorus from simulated wastewater using hydrophytes

  • Received Date: 16/07/2012
  • Accepted Date: 16/02/2012
  • Available Online: 09/04/2013
Fund Project:

Abstract: The removal of nitrogen and phosphorus from aqueous solutions of a synthetic medium was examined using various aquatic plants, such as Pistia stratiotes, Eichhornia crassipes, Acorus calamus, Typha latifolia, Sagittaria sagittifolia and Scirpus tabernaemontani. It was found that all the hydrophytes studied in the test were capable of absorbing the nutrients substance effectively, the removal efficiencies of hydrophytes systems for NH4-N, NO3-N and TP were 93.71%~97.32%, 376.69%~92.47% and 76.69%~92.47%, respectively. Among the aquatic plants, Acorus calamus gave the highest NH4-N removal efficiency, Sagittaria sagittifolia gave the highest NO3-N removal efficiency and Typha latifolia gave the highest TP removal efficiency from the simulated solutions. The uptake of N and P and their accumulation in macrophytes accounted for 11.71%~54.57% and 7.61%~64.56% of the nitrogen and phosphorus removal efficiency. For the different plant species, there are differences in the removal ability to nutrients. Therefore, we should select the suitable single hydrophyte or plant species combination to different pollutants for repairing the contaminated water.

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