Full TGIF Record # 73917
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1081/PFC-100103574
    Last checked: 10/09/2015
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Publication Type:
i
Report
Author(s):Prystay, W.; Lo, K. V.
Author Affiliation:Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, BC, Canada
Title:Treatment of greenhouse wastewater using constructed wetlands
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B36, No. 3, 2001, p. 341-353.
# of Pages:13
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: Greenhouses; Effluent water; Effluent water treatment; Wetlands; Constructed wetlands; Nitrogen; Phosphorus; Nitrates; Ammonia
Abstract/Contents:"Five wetland designs, based on conventional surface flow (SF) and subsurface flow (SSF) approaches, were assessed for nitrogen and phosphorus removal from greenhouse wastewater. Results indicated none of the individual designs assessed was capable of providing the highest treatment effect for all nutrients of concern; however, the SF wetland emerged as the most appropriate design for the treatment of greenhouse wastewater. The highest mean phosphorus reduction of 65% was observed in the unplanted SF wetlands. Peak nitrate reductions of 54% were observed in the 15-cm deep SF wetlands and ammonia removal of 74% was achieved in the unplanted SF wetlands. Nitrate concentrations in the greenhouse effluent can be reduced to acceptable levels for the protection of freshwater aquatic life (i.e., less than 40 ppm) using a loading rate of 1.65 g NO3-N/m2/day and a design water depth of 30 cm or greater. Based on available literature and the results of this research project, a multistage design, consisting of an unplanted pre-treatment basin followed by a a 25 to 35 cm deep surface flow marsh with open water components, is recommended."
Language:English
References:13
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Prystay, W., and K. V. Lo. 2001. Treatment of greenhouse wastewater using constructed wetlands. J. Environ. Sci. Health. B36(3):p. 341-353.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1081/PFC-100103574
    Last checked: 10/09/2015
    Requires: PDF Reader
    Access conditions: Item is wtihin a limited-access website
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