Performance of tidal and non-tidal mangrove constructed wetlands in treating maricultural wastewater | Zendy

Tingfeng Zhang | Zendy; Chaoxiang Liu | Zendy; Lili Wei | Zendy; Shaohua Tian | Zendy; Jie Li | Zendy; Patrick Ndayambaje | Zendy; Xu Huang | Zendy; Lin Liu | Zendy; Pamphile Ndagijimana | Zendy

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Performance of tidal and non-tidal mangrove constructed wetlands in treating maricultural wastewater

Author(s) -

Tingfeng Zhang,

Chaoxiang Liu,

Lili Wei,

Shaohua Tian,

Jie Li,

Patrick Ndayambaje,

Xu Huang,

Lin Liu,

Pamphile Ndagijimana

Publication year - 2022

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2022.103

Subject(s) - mangrove , wetland , environmental science , wastewater , tidal flat , constructed wetland , hydrology (agriculture) , ecology , environmental engineering , geology , biology , sediment , paleontology , geotechnical engineering

This study aims to evaluate the removal efficiency of nitrogen and phosphorus in the tidal and non-tidal constructed wetlands with typical mangrove (Aegiceras corniculatum) as a wetland plant model to treat simulated marine wastewater. The results showed that the average removals of NO2−-N, NO3−-N, NH4+-N, TN and TP were 88.4, 80.5, 81.4, 79.7 and 40.8% in the non-tidal subsurface flow (HF) mangrove wetland, respectively, and 65.3, 61.3, 90.6, 60.1 and 19.2% in the tidal (TF) mangrove wetland, and 11.4, 64.6, 68.7, 56.6 and 16.3% in the non-tidal free water surface (FWS) mangrove wetland, respectively. Moreover, it was observed that the composition of microbial communities in the HF mangrove wetland was beneficial to the nitrogen cycle and has more quantitative associations of N-metabolism genes. The results indicated that non-tidal HF mangrove wetland has a stable and an effective capacity for potential treatment of marine wastewater compared to the non-tidal FWS mangrove wetland and tidal TF mangrove wetland.

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