Constructed wetland


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Constructed wetland

An engineered system that has been designed and constructed to utilize the natural processes involving wetland hydrology, vegetation, soils, and their associated microbial assemblages to assist in treating wastewater. It is designed to take advantage of many of the same processes that occur in natural wetlands, but within a more controlled environment.
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Constructed wetland at the University of Dar es Salaam.
This constructed wetland will also facilitate a number of LEED credits related to storm water management, water efficiency and innovation in design.
THE UK body for everyone involved in constructed wetlands and the problem of water pollution is to hold a major seminar in Stratford upon Avon later this year.
The capabilities of natural wetlands have been widely recognized and, taking a lesson from nature, artificial or constructed wetlands are being designed to treat a wide range of waste streams.
Efficiency of the constructed wetland system can be influenced by several factors such as temperature, hydraulic retention time (HRT) and the plant species used.
A constructed wetland generally consists of an inlet zone, a macrophyte zone (wetland cells) as the main area of the wetland, and a high flow bypass channel.
There are many ways of dealing with contaminants that are often found in water, such as filtration, absorption through plant uptake, volatilization, and the microbial activity within a constructed wetland (Baker and Herson 1994).
Bacterial reductions have been reported to be 1 to 2 logs of fecal coliform in constructed wetland technology [19 and 20].
Constructed wetland inlets and outlets should be designed so that floodwaters entering wetlands are retained only for a short time in order to prevent plants from drowning or becoming covered in algae.
FAISALABAD -- Floating and constructed wetland technology developed by National Institute for BioTechnology and Genetic Engineering (NIBGE) is a boon for the SME sector.