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Updated: Feb 6, 2026

Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment
Published on: May 2, 2025
Wetlands for Wastewater Treatment
Edith Martinez-Guerra1, Jairo Castillo-Valenzuela, Veera Gnaneswar Gude
1Environmental Laboratory, U.S. Army Engineer Research and Development Center. 3909 Halls Ferry Road, Vicksburg, Mississippi 39180, USA.
This paper reviews wetland treatment technologies for wastewater, focusing on nutrient and pollutant removal. It covers applications, design, and innovative systems for effective wastewater management.
Area of Science:
- Environmental Engineering
- Water Treatment Technologies
Background:
- Wetland treatment systems are increasingly researched for wastewater management.
- These systems offer advanced treatment or decentralized solutions for diverse pollutants.
Purpose of the Study:
- To provide an update on current research and development in wetland wastewater treatment technologies.
- To summarize key findings on nutrient and pollutant removal, system design, and innovative applications.
Main Methods:
- Literature review and synthesis of recent studies on wetland treatment.
- Analysis of research covering vegetation effects, system design, operation, and modeling.
- Inclusion of studies on hybrid systems, landfill leachate, and pathogen removal.
Main Results:
- Wetlands are effective for removing metals, industrial, and emerging pollutants, including pharmaceuticals.
- Vegetation, design, and operational parameters significantly influence treatment efficiency.
- Hybrid and innovative systems show promise for enhanced wastewater treatment.
Conclusions:
- Wetland technologies are a viable and evolving solution for advanced and decentralized wastewater treatment.
- Further research into optimizing design, operation, and innovative approaches is crucial for maximizing pollutant removal.
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