LaoualiBrissonDumontEtAl1998

Référence

Laouali, G., Brisson, J., Dumont, L. and Vincent, G. (1998) Nitrogen and phosphorus removal in a subsurface-flow reed bed. Water Quality Research Journal of Canada, 33(2):319-329.

Résumé

During the last decades, there has been a growing concern over phosphorus and nitrogen removal in wastewater treatment systems. Excessive loads of these nutrients have been implicated in the eutrophication of water courses. Although effectiveness of constructed reed beds for primary and secondary wastewater treatments is well established, their capacity for nutrient removal is not as well documented, especially under northern temperate climates. We monitored nutrient removal in the experimental reed bed wastewater treatment of the Biosphere de Montreal, a museum entirely devoted to the important role of water in the ecosystem. Over the first 2 years of operation, nutrient removal during plant growing season averaged 60% for total nitrogen, 53% for Kjeldahl nitrogen, 73% for total phosphorus and 94% for phosphate. Removal remains acceptable in winter despite a slight decrease in efficiency. Nitrification-denitrification appears to be the main mechanism responsible for nitrogen removal, while precipitation and adsorption account for most of the phosphorus removal. During the last decades, there has been a growing concern over phosphorus and nitrogen removal in wastewater treatment systems. Excessive loads of these nutrients have been implicated in the eutrophication of water courses. Although effectiveness of constructed reed beds for primary and secondary wastewater treatments is well established, their capacity for nutrient removal is not as well documented, especially under northern temperate climates. We monitored nutrient removal in the experimental reed bed wastewater treatment of the Biosphere de Montreal, a museum entirely devoted to the important role of water in the ecosystem. Over the first 2 years of operation, nutrient removal during plant growing season averaged 60% for total nitrogen, 53% for Kjeldahl nitrogen, 73% for total phosphorus and 94% for phosphate. Removal remains acceptable in winter despite a slight decrease in efficiency. Nitrification-denitrification appears to be the main mechanism responsible for nitrogen removal, while precipitation and adsorption account for most of the phosphorus removal.

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@ARTICLE { LaoualiBrissonDumontEtAl1998,
    AUTHOR = { Laouali, G. and Brisson, J. and Dumont, L. and Vincent, G. },
    TITLE = { Nitrogen and phosphorus removal in a subsurface-flow reed bed },
    JOURNAL = { Water Quality Research Journal of Canada },
    YEAR = { 1998 },
    VOLUME = { 33 },
    PAGES = { 319-329 },
    NUMBER = { 2 },
    NOTE = { 12013080 (ISSN) Cited By (since 1996): 2 Export Date: 27 April 2007 Source: Scopus CODEN: WQRCF Language of Original Document: English Correspondence Address: Brisson, J.; Institut de Recherche; Biologie Vegetale; 4101 Est, Rue Sherbrooke Montreal, Que. H1X 2B2, Canada References: (1992) Standard Methods for the Examination of Water and Wastewater Analysis, 18th Ed., , APHA, AWWA and WPCF. Washington, D.C; Brix, H., Wastewater treatment in constructed wetlands: System design, removal processes and treatment performance (1993) Constructed Wetlands for Water Quality Improvement, pp. 9-22. , Moshiri GA (ed.), Lewis Publishers, Boca Raton, Fla; Directive concerning urban wastewater treatment (1991) Official Journal L135/40, , 91/271/EEC; Delaune, R.D., Patrick Jr., W.H., Brannon, J.M., (1976) Nutrient Transformations in Louisiana Salt Marsh Soils, , Louisiana State University Center for Wetlands Research, Sea Grant Publication LSU-T-76-009; Eighmy, T.T., Bishop, P.L., Distribution and rate of bacterial nitrifying populations in nitrogen removal in aquatics treatment systems (1989) Water Res., 23, p. 947; (1983) Normales Climatiques au Canada. Tempe?rature et Pre?cipitations 1951 a? 1980; Gersberg, R.M., Elkins, B.V., Goldman, C.R., Nitrogen removal in artificial wetlands (1983) Water Res., 17, p. 1009; Good, B.J., Patrick Jr., W.H., Root-water-sediment interface processes (1987) Aquatic Plants for Water Treatment and Resource Recovery, pp. 359-372. , Ready KR and Smith WH (ed.), Magnolia Publishing Inc., Orlando, Fla; Green, M., Frieder, E., Safrai, I., Investigation of alternative method of nitrification in constructed wetlands (1996) Proceedings of the Fifth International Conference on Wetlands Systems for Water Pollution Control. International Association on Water Quality, pp. I41-I48. , Vienna, Austria; (1992) Water Analysis Handbook, 2nd Ed., , Loveland, Colo; Jenssen, P.D., Maehlum, T., Krogatad, T., Potential use of constructed wetlands for wastewater treatment in northern environments (1993) Water Sci. Tech., 28 (10), pp. 149-157; Kadlec, R.H., Knight, R.L., (1996) Treatment of Wetlands, , CRC Press, Boca Raton, Fla; Kadlec, J.A., Nutrient dynamics in wetlands (1987) Aquatic Plants for Water Treatment and Resource Recovery, pp. 393-419. , Ready KR and Smith WH (ed.). Magnolia Publishing Inc., Orlando, Fla; Knight, R.L., Ruble, R.W., Kadlec, R.H., Reed, S., (1993) Database: North American Wetlands for Water Quality Treatment, Phase II Report, , U. S. Environmental Protection Agency. Corvallis, Oreg; Laouali, G., Dumont, L., Radoux, M., Vincent, G., General design and performance of reed and emergent hydrophyte beds for domestic wastewater treatment in Que?bec, Canada (1996) Proceedings of the Fifth International Conference on Wetlands Systems for Water Pollution Control, pp. IX51-IX58. , International Association on Water Quality, Vienna, Austria; Mann, R.A., Phosphorus removal by constructed wetlands: Substratum absorption (1990) Constructed Wetlands in Water Pollution Control, pp. 97-106. , Cooper PF and Findlater BC (ed.)., Pergamon Press, Oxford, U.K; Platzer, C., Enhanced nitrogen elimination in subsurface flow artificial wetlands - A multistage concept (1996) Proceedings of the Fifth International Conference on Wetlands Systems for Water Pollution Control, pp. I71-I79. , International Association on Water Quality, Vienna, Austria; Reddy, K.R., Patrick Jr., W.H., Lindau, C.W., Nitrification-denitrification at the plant root - Sediment interface in wetlands (1989) Limnol. Oceanogr., 34, p. 1004; Richardson, C.J., Mechanisms controlling phosphorus retention capacity in freshwater wetlands (1985) Science, 228, p. 1424; Scho?nborn, A., Zu?st, B., Langzeierfahrungen mit der naturnahen Kla?ranlage Scattweid (1994) Gas-Wasser-Abwasser, 74, pp. 674-683; Scho?nborn, A., Zu?st, B., Underwood, E., Long-term performance of the sand-plant filter Schattwid (Switzerland) (1996) Proceedings of the Fifth International Cnference on Wetlands Systems for Water Pollution Control, pp. IX11-IX18. , International Association on Water Quality, Vienna, Austria; Stengel, E., Carduck, W., Jebsen, C., Evidence for denitrification in artificial wetlands (1987) Aquatic Plants for Water Treatment and Resource Recovery, pp. 543-550. , Reddy KR and Smith WH (ed.), Magnolia Publishing Inc., Orlando, Fla; Natural systems for wastewater treatment (1990) Manual of Practice FD-16, , WPCF, Alexandria, Va; Zhu, T., Sikora, F.J., Ammonium and nitrate removal in vegetated and unvegetated gravel bed microcosm wetlands (1994) Fourth International Conference on Wetlands Systems for Water Pollution Control, pp. 355-366. , International Association on Water Quality, China. },
    ABSTRACT = { During the last decades, there has been a growing concern over phosphorus and nitrogen removal in wastewater treatment systems. Excessive loads of these nutrients have been implicated in the eutrophication of water courses. Although effectiveness of constructed reed beds for primary and secondary wastewater treatments is well established, their capacity for nutrient removal is not as well documented, especially under northern temperate climates. We monitored nutrient removal in the experimental reed bed wastewater treatment of the Biosphere de Montreal, a museum entirely devoted to the important role of water in the ecosystem. Over the first 2 years of operation, nutrient removal during plant growing season averaged 60% for total nitrogen, 53% for Kjeldahl nitrogen, 73% for total phosphorus and 94% for phosphate. Removal remains acceptable in winter despite a slight decrease in efficiency. Nitrification-denitrification appears to be the main mechanism responsible for nitrogen removal, while precipitation and adsorption account for most of the phosphorus removal. During the last decades, there has been a growing concern over phosphorus and nitrogen removal in wastewater treatment systems. Excessive loads of these nutrients have been implicated in the eutrophication of water courses. Although effectiveness of constructed reed beds for primary and secondary wastewater treatments is well established, their capacity for nutrient removal is not as well documented, especially under northern temperate climates. We monitored nutrient removal in the experimental reed bed wastewater treatment of the Biosphere de Montreal, a museum entirely devoted to the important role of water in the ecosystem. Over the first 2 years of operation, nutrient removal during plant growing season averaged 60% for total nitrogen, 53% for Kjeldahl nitrogen, 73% for total phosphorus and 94% for phosphate. Removal remains acceptable in winter despite a slight decrease in efficiency. Nitrification-denitrification appears to be the main mechanism responsible for nitrogen removal, while precipitation and adsorption account for most of the phosphorus removal. },
    KEYWORDS = { nitrogen northern climates phosphorus reed bed wastewater treatment denitrification nitrification nitrogen phosphorus waste water treatment Adsorption Denitrification Ecosystems Nitrification Nitrogen Phosphates Phosphorus Precipitation (chemical) Wastewater treatment Reed beds Chemicals removal (water treatment) nitrogen nutrient removal phosphorus reed bed wastewater treatment Canada },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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