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Article

Removal of Total Nitrogen and Phosphorus Using Single or Combinations of Aquatic Plants

by 1,2, 1,3, 1, 1,2, 1, 1,2, 1,4, 1,3,* and 1,4,*
1
South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
4
Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
*
Authors to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(23), 4663; https://doi.org/10.3390/ijerph16234663
Received: 18 October 2019 / Revised: 15 November 2019 / Accepted: 19 November 2019 / Published: 22 November 2019
(This article belongs to the Section Environmental Science and Engineering)
Phytoremediation is a potentially suitable technology for taking up large amounts of N and P during plant growth and the removal of plant material, thereby avoiding eutrophication. We compared the capacity of nine different aquatic plant species for removing total P (TP), total N (TN), and NH4+-N from raw domestic sewage wastewater collected from a living area located in Guangzhou city, China, and different concentrations of artificial wastewater. The experiments were performed in two stages, namely screening and modification. In the screening stage, four plant species were identified from the nine grown in raw domestic sewage water for 36 days. In the modification stage, the TN and TP removal ability of different plant combinations were determined in artificial wastewater at different N/P concentrations. After having been grown in monocultures for 46 days, Ipomoea aquatica (90.6% and 8.8%) and Salvinia natans (67.3% and 14.2%) obtained the highest TP removal efficiency in lightly and highly polluted wastewater, respectively. The combination of S. natans and Eleocharis plantagineiformis effectively removed TP and TN from lightly polluted water, suggesting that this combination is suitable for phytoremediation of eutrophic wastewater. View Full-Text
Keywords: aquatic plant; eutrophication; nitrogen; phosphate; removal; wastewater aquatic plant; eutrophication; nitrogen; phosphate; removal; wastewater
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MDPI and ACS Style

Su, F.; Li, Z.; Li, Y.; Xu, L.; Li, Y.; Li, S.; Chen, H.; Zhuang, P.; Wang, F. Removal of Total Nitrogen and Phosphorus Using Single or Combinations of Aquatic Plants. Int. J. Environ. Res. Public Health 2019, 16, 4663. https://doi.org/10.3390/ijerph16234663

AMA Style

Su F, Li Z, Li Y, Xu L, Li Y, Li S, Chen H, Zhuang P, Wang F. Removal of Total Nitrogen and Phosphorus Using Single or Combinations of Aquatic Plants. International Journal of Environmental Research and Public Health. 2019; 16(23):4663. https://doi.org/10.3390/ijerph16234663

Chicago/Turabian Style

Su, Feng, Zhian Li, Yingwen Li, Lei Xu, Yongxing Li, Shiyu Li, Hongfeng Chen, Ping Zhuang, and Faguo Wang. 2019. "Removal of Total Nitrogen and Phosphorus Using Single or Combinations of Aquatic Plants" International Journal of Environmental Research and Public Health 16, no. 23: 4663. https://doi.org/10.3390/ijerph16234663

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