Domestic wastewater treatment by artificial wetlands : Margaret J. Haworth-Brockman. a literature review /
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TextPublication details: 1992. Ducks Unlimited Canada,Description: iv, 40 p. : ill. , maps ; 28 cmOnline resources: Abstract: Domestic sewage from cities and towns is typically treated in mechanical facilities before being discharged into nearby waterways. The mechanical treatment is usually a series of steps, each of which removes different constituents from the water. The treated water is often chlorinated just before discharge to kill bacteria. Treated wastewater may still be rich in dissolved nutrients such as nitrogen and phosphorus which can cause eutrophication and deterioration of the water quality in the receiving water systems (Nichols 1983). The use of shallow wetlands to treat wastewater was investigated in Europe, beginning in the 1950's (Seidel 1976). North American interest and research of the concept has grown over the last 25 years. Recent studies have examined the ability of natural and artificial wetlands to be part of the treatment process.Wetland systems are often well suited for receiving large volumes of nutrient-laden water and the wetland vegetation is adapted to remove nutrients fr
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Includes bibliographical references (p. 34-39).
Domestic sewage from cities and towns is typically treated in mechanical facilities before being discharged into nearby waterways. The mechanical treatment is usually a series of steps, each of which removes different constituents from the water. The treated water is often chlorinated just before discharge to kill bacteria. Treated wastewater may still be rich in dissolved nutrients such as nitrogen and phosphorus which can cause eutrophication and deterioration of the water quality in the receiving water systems (Nichols 1983). The use of shallow wetlands to treat wastewater was investigated in Europe, beginning in the 1950's (Seidel 1976). North American interest and research of the concept has grown over the last 25 years. Recent studies have examined the ability of natural and artificial wetlands to be part of the treatment process.Wetland systems are often well suited for receiving large volumes of nutrient-laden water and the wetland vegetation is adapted to remove nutrients fr