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Effect of loading rate and planting on treatment of dairy farm wastewaters in constructed wetlands -I. Removal of oxygen demand, suspended solids and faecal coliforms



Effect of loading rate and planting on treatment of dairy farm wastewaters in constructed wetlands -I. Removal of oxygen demand, suspended solids and faecal coliforms



Water Research Oxford 29(1): 17-26



The effect of influent loading rate on mass removal of BOD, SS and faecal coliforms (FC) from milking parlour waste waters was compared in four pairs of planted (Schoenoplectus validus) and unplanted gravel-bed wetlands (each 19 m) in New Zealand. The wetlands were operated at nominal retention times of 7, 5.5, 3 and 2 d, with in and outflows sampled fortnightly over a 20 month period. Hydraulic flows were monitored to enable calculation of the mass flows of pollutants.

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Accession: 002602729

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DOI: 10.1016/0043-1354(94)00139-x


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