Journal of Food, Agriculture and Environment

Wastewater treatability potential of floating and submerged macrophytes

Author(s):

Meng-Meng Liu ¹, Jing-Lan Liu ², Zhen-Ming Zhang ²*, Jia-Kai Liu ², Rong Zhang ², Hui-Hui Wang ²

Recieved Date: 2013-01-02, Accepted Date: 2013-04-28

Abstract:

Eutrophication has become a major problem that water ecosystem currently faces. The overall operability of traditional treatment approach is not high which may lead to more serious pollution damage, so that macrophytes have a purification effect on water quality has currently turned to be a research hotspot. Submerged or floating macrophytes which have strong adaptability and grow rapidly, can effectively remove eutrophication elements such as N, P and so forth, furthermore possessing aesthetic value. This experiment selected three types submerged and floating macrophytes picked in Beijing district, Myriophyllum verticillatum Linn., Lemna minor Linn. and common ducksmeat herb (Salvinia natans (Linn.) All.), and focused on their influence and removal effect of COD, NO₃^--N, pH, PO₄^3- -P, T-N and T-P in eutrophic water. The results showed that all Myriophyllum verticillatum, Salvinia natans and common ducksmeat herb had a certain effect on removal of water pollution. However, under the sameconditions, Salvinia natans was best, followed by common ducksmeat herb, and Myriophyllum verticillatum was worst in the light of the removal effect on COD, T-N and T-P. Besides, this experiment also provides related technical support and theoretical basis for the treatment on water eutrophication.

Keywords:

Eutrophication, submerged and floating macrophytes, removal effect

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 2
Category: Environment
Pages: 1426-1431

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