A four-stage constructed wetland system for treating polluted water from an urban river

• Published in: Ecological engineering Vol. 71; pp. 48 - 55
• Main Authors: Jia, Haifeng, Sun, Zhaoxia, Li, Guanghe
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.10.2014; Elsevier
• Subjects: ammonium nitrogen; Animal and plant ecology; Animal, plant and microbial ecology; Applied ecology; Biological and medical sciences; chemical oxygen demand; China; Conservation, protection and management of environment and wildlife; constructed wetlands; Down-flow subsurface constructed wetland; Environmental degradation: ecosystems survey and restoration; Four-stage constructed wetland; Fresh water ecosystems; Fundamental and applied biological sciences. Psychology; lakes; nitrogen; overland flow; phosphorus; pollutants; Rapid filter; river water; rivers; Synecology; Up-flow subsurface constructed wetland; Urban river restoration; water pollution; water quality; China; Up-flow subsurface constructed wetland; Rapid filter; Down-flow subsurface constructed wetland; Four-stage constructed wetland; Urban river restoration; Urban environment; Upward flow; Urban area; Environmental engineering; Freshwater environment; Filter; Constructed wetland; Lagooning; Stream; Water pollution; Ecological recovery; Subsurface

•A four-stage wetland system was constructed to improve the water quality and flow pattern of a heavily polluted urban river.•The constructed wetland system composed of four interlinked units: a rapid filter, a down-flow subsurface constructed wetland, an up-flow subsurface constructed wetland, and...