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- Title
Clogging of Substrate in Constructed Wetlands: Causes, Effects and Control Measures.
- Authors
Karungamye, Petro Novert
- Abstract
The purpose of this review article is to present the primary factors that cause clogging of substrate in Constructed wetlands (CWs), as well as the consequences and possible solutions. A wide range of sources, including books, scholarly and internet articles, were used in the literature study. Substrate clogging is a major problem in CWs, which results in slowing down the flow of water and, finally, a significant reduction in the system's treating wastewater effectiveness. The deposition of suspended matter, the development of sludge, precipitation of chemicals and deposition inside the pore spaces, the growth of plant root systems, the production of gas, and the compaction of the clogging layer all contribute to this technical and operational challenge. Evaluating the extent of substrate clogging in CWs is a difficult task because this phenomenon is influenced by several factors. Clogging impact can be assessed using a variety of methods, including tracer testing, hydraulic conductivity measurements, and clogging matter characterization. A preventive or restorative strategy can be used to address this issue. Pre-treatment of wastewater, proper substrate and aquatic plant selection, earlier removal of leaves and dead roots, and backwashing are some of these strategies.
- Subjects
CONSTRUCTED wetlands; HYDRAULIC measurements; HYDRAULIC conductivity; PLANT growing media; PLANT selection; WETLAND conservation; WETLANDS
- Publication
Journal of Water Resources, Engineering, Management & Policy, 2024, p1
- ISSN
2619-8916
- Publication type
Article
- DOI
10.56542/wi.jwempo.v1.i1.a2.2024