ComeauBrissonRevilleEtAl2001

Référence

Comeau, Y., Brisson, J., Reville, J.P., Forget, C. and Drizo, A. (2001) Phosphorus removal from trout farm effluents by constructed wetlands. Water Science and Technology, 44(11-12):55-60.

Résumé

Freshwater trout farms need a high and continuous clean water flow to keep fish exposed to a non-toxic ammonium concentration. As a result, the concentration of effluents from these farms are even below standard effluent criteria for municipal wastewater effluent for solids, nitrogen and phosphorus. Nevertheless, the mass of pollutants discharged, originating mostly from excreta and undigested fish food, must be reduced by simple and economical treatment processes. We designed and operated a three-stage system aimed at retaining solids by a 60 ?m nylon rotating microscreen followed by treatment with a phosphorus-retaining constructed wetland system. Washwater from the microscreen was pumped to a series of two horizontal flow beds of 100 m3 each (0.6 m deep). Coarse (2 mm) and finer (< 2 mm) crushed limestone were used in each bed, respectively, with the first one being planted with reeds (Phragmites australis) and the second one designed to remove even more phosphorus by adsorption and precipitation. Preliminary results indicated that the microscreen captured about 60% of the suspended solids and that greater than 95% of the suspended solids and greater than 80% of the total phosphorus mass loads were retained by the beds. The potential of constructed wetlands as an ecologically attractive and economical method for treating fish farm effluents to reduce solids and phosphorus discharge appears promising.

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@ARTICLE { ComeauBrissonRevilleEtAl2001,
    AUTHOR = { Comeau, Y. and Brisson, J. and Reville, J.P. and Forget, C. and Drizo, A. },
    TITLE = { Phosphorus removal from trout farm effluents by constructed wetlands },
    JOURNAL = { Water Science and Technology },
    YEAR = { 2001 },
    VOLUME = { 44 },
    PAGES = { 55-60 },
    NUMBER = { 11-12 },
    NOTE = { 02731223 (ISSN) Cited By (since 1996): 7 Export Date: 27 April 2007 Source: Scopus CODEN: WSTED Language of Original Document: English Correspondence Address: Comeau, Y.; Dept. of Civ., Geol. and Mining Eng.; Ecole Polytechnique Montreal, Que., Canada; email: yves.comeau@polymtl.ca Chemicals/CAS: ammonia, 14798-03-9, 51847-23-5, 7664-41-7; limestone, 1317-65-3; nitrogen, 7727-37-9; phosphorus, 7723-14-0; water, 7732-18-5; Phosphorus, 7723-14-0 References: (1998) Standard Methods for the Determination of Water and Wastewater. 20th ed., , American Public Health Association, Washington, D.C; (1995) D854-92 - Standard Test Method for Specific Gravity of Soils, , American Society for Testing and Materials, Philadelphia, PA; Aubertin, M., Bussie?re, B., Chapuis, R.P., Hydraulic conductivity of homogenized tailings from hard rock mines (1996) Can. J. Geotechnol., 33, pp. 470-482; Baker, M.J., Blowes, D.W., Ptacek, C.J., Laboratory development of permeable reactive mixtures for the removal of phosphorus from onsite wastewater disposal systems (1998) Environ. Sci. Technol., 32, pp. 2308-2316; Bergheim, A., Sanni, S., Indrevik, G., Holland, P., Sludge removal from salmonid tank effluent using rotating microsieves (1993) Aquacultural Engineering, 12, pp. 97-109; Chapuis, R.P., Legare, P.P., Simple method for determining the surface area of fine aggregates and fillers in bituminous mixtures (1992) Proc. of a Symposium on Effects of Aggregates and Mineral Fillers on Asphalt Mixture Performance, Dec. 10 1991, San Diego, CA, pp. 177-186. , ASTM, Philadelphia, PA; Drizo, A., Frost, C.A., Smith, K.A., Grace, J., Phosphate and ammonium removal by constructed wetlands with horizontal subsurface flow, using shale as a substrate (1997) Wat. Sci. Tech., 35 (5), pp. 95-102; Kadlec, R.H., Knight, R.L., (1996) Treatment Wetlands, , Lewis Publishers, Chelsea, MI; Laouali, G., Brisson, J., Dumont, L., Vincent, G., Nitrogen and phosphorus removal in a subsurface-flow reed bed (1998) Wat. Qual. Res. J. Can., 33, pp. 319-329; (1997), Personal communication with R. Champagne and G. Ouellet. Febr. 12; (1999) Lignes Directrices Applicables aux Piscicultures, , Revised version of June, Ministry of Environment of Quebec, Quebec; (1991) Wastewater Engineering - Treatment, Disposal and Reuse. 3rd ed., , McGraw-Hill, NY; Richardson, C.J., Mechanisms controlling phosphorus retention capacity in freshwater wetlands (1985) Science, 228, pp. 1424-1427. },
    ABSTRACT = { Freshwater trout farms need a high and continuous clean water flow to keep fish exposed to a non-toxic ammonium concentration. As a result, the concentration of effluents from these farms are even below standard effluent criteria for municipal wastewater effluent for solids, nitrogen and phosphorus. Nevertheless, the mass of pollutants discharged, originating mostly from excreta and undigested fish food, must be reduced by simple and economical treatment processes. We designed and operated a three-stage system aimed at retaining solids by a 60 ?m nylon rotating microscreen followed by treatment with a phosphorus-retaining constructed wetland system. Washwater from the microscreen was pumped to a series of two horizontal flow beds of 100 m3 each (0.6 m deep). Coarse (2 mm) and finer (< 2 mm) crushed limestone were used in each bed, respectively, with the first one being planted with reeds (Phragmites australis) and the second one designed to remove even more phosphorus by adsorption and precipitation. Preliminary results indicated that the microscreen captured about 60% of the suspended solids and that greater than 95% of the suspended solids and greater than 80% of the total phosphorus mass loads were retained by the beds. The potential of constructed wetlands as an ecologically attractive and economical method for treating fish farm effluents to reduce solids and phosphorus discharge appears promising. },
    KEYWORDS = { Constructed wetland Fish farming Phosphorus removal Sludge treatment Trout Wastewater Effluent treatment Phosphorus Precipitation (chemical) Wastewater Suspended solids Wetlands phosphorus constructed wetland effluent treatment fish phosphorus pollutant removal effluent waste water management wetland Aquaculture Ecosystem Phragmites australis },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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