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Updated: Aug 30, 2026

Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment
Published on: May 2, 2025
[Phosphorus removal of agriculture wastewater through subsurface constructed wetland]
Rongshe Zhang1, Qi Zhou, Yunpeng Shi
1Pollution Control and Resource Reuse Lab, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China. zhrs555@sina.com
Abstract:
Phosphorus removal in subsurface constructed wetland treating agriculture non-pointed wastewater was studied in pilot-scale. The experimental results showed that the removal rates of TP increased with HRT increasing when the nominal hydraulic retention time was less than 5 days. The pH decreased distinctly when the retention time was too longer in the batch and sequence style, it may bring on a lower removel rate of TP. The amount of TP that can be removed by harvesting were about 15.8% and 9.5% compared to the total quantity of removing in Phragmitas communis and zizania caduciflora constructed system respectively. Temperature impacted on the removel of TP, the removel rate of TP decreased 30% in the winter compared to summuer.
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