Maltais-LandryChazarencComeauEtAl2007

Référence

Maltais-Landry, G., Chazarenc, F., Comeau, Y., Troesch, S. and Brisson, J. (2007) Effects of artificial aeration, macrophyte species, and loading rate on removal efficiency in constructed wetland mesocosms treating fish farm wastewater. Journal of Environmental Engineering and Science, 6(4):409-414.

Résumé

We studied the contribution of artificial aeration, loading rate, and macrophyte species on pollutant removal in horizontal subsurface flow constructed wetlands (HSSFCWs) treating reconstituted trout farm wastewater. Twelve 1 m 2 mesocosms located in a controlled greenhouse environment were used to test two species of macrophytes (Phragmites australis, Typha angustifolia), three loading rates (30, 60, and 90 L.m(-2).d(-1)), and presence or absence of artificial aeration at the intermediate loading rate. There was no effect of any variable (macrophytes, loading, aeration) on total suspended solids (TSS) or chemical oxygen demand (COD) removal. Artificial aeration improved nitrogen removal while higher loading rates diminished removal of nitrogen and phosphorus. Macrophytes improved nitrogen and phosphorus removal, but this effect varied depending on loading rates and presence or absence of artificial aeration. We found no differences between Phragmites and Typha for treatment of trout fish farm wastewater. Under summer conditions, our results suggest that artificial aeration could be used to improve nitrogen removal by HSSFCWs.

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@ARTICLE { Maltais-LandryChazarencComeauEtAl2007,
    AUTHOR = { Maltais-Landry, G. and Chazarenc, F. and Comeau, Y. and Troesch, S. and Brisson, J. },
    TITLE = { Effects of artificial aeration, macrophyte species, and loading rate on removal efficiency in constructed wetland mesocosms treating fish farm wastewater },
    JOURNAL = { Journal of Environmental Engineering and Science },
    YEAR = { 2007 },
    VOLUME = { 6 },
    PAGES = { 409-414 },
    NUMBER = { 4 },
    NOTE = { ISI Document Delivery No.: 192TH },
    ABSTRACT = { We studied the contribution of artificial aeration, loading rate, and macrophyte species on pollutant removal in horizontal subsurface flow constructed wetlands (HSSFCWs) treating reconstituted trout farm wastewater. Twelve 1 m 2 mesocosms located in a controlled greenhouse environment were used to test two species of macrophytes (Phragmites australis, Typha angustifolia), three loading rates (30, 60, and 90 L.m(-2).d(-1)), and presence or absence of artificial aeration at the intermediate loading rate. There was no effect of any variable (macrophytes, loading, aeration) on total suspended solids (TSS) or chemical oxygen demand (COD) removal. Artificial aeration improved nitrogen removal while higher loading rates diminished removal of nitrogen and phosphorus. Macrophytes improved nitrogen and phosphorus removal, but this effect varied depending on loading rates and presence or absence of artificial aeration. We found no differences between Phragmites and Typha for treatment of trout fish farm wastewater. Under summer conditions, our results suggest that artificial aeration could be used to improve nitrogen removal by HSSFCWs. },
    KEYWORDS = { horizontal subsurface flow constructed wetlands, artificial aeration, loading rates, Phragmites australis, Typha angustifolia, fish farm wastewater HORIZONTAL SUBSURFACE FLOW; NITROGEN REMOVAL; COLD-CLIMATE; TEMPERATURE; DESIGN; WASTEWATERS; PHOSPHORUS; SYSTEMS; ACCUMULATION; MATURATION },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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