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Optimum Pre-treatment Method in Constructed Wetlands by Natural Purification Method for Treating Livestock Wastewater
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 Title & Authors
Optimum Pre-treatment Method in Constructed Wetlands by Natural Purification Method for Treating Livestock Wastewater
Park, Jong-Hwan; Seo, Dong-Cheol; Kim, Ah-Reum; Kim, Sung-Hun; Lee, Seong-Tea; Jeong, Tae-Uk; Choi, Jeong-Ho; Lee, Sang-Won; Cho, Ju-Sik; Kim, Hyun-Ook; Heo, Jong-Soo;
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 Abstract
In order to obtain optimum pre-treatment methods and improve T-N and T-P removal efficiencies, removal rates of pollutants in small-scale livestock wastewater treatment apparatus with water plant filtration bed or activated sludge tank were investigated. Based on the results from the optimum pre-treatment in small-scale livestock wastewater treatment apparatus, removal efficiencies of pollutants in livestock wastewater treatment plant with water plant filtration and activated sludge beds. The removal rates of COD, SS, T-N, and T-P in effluent were 83, 89, 63 and 87% in small-scale livestock wastewater treatment apparatus with water plant filtration bed, respectively. The removal rates of COD, SS, T-N, and T-P in effluent were 96, 95, 86 and 92% in small-scale livestock wastewater treatment apparatus with activated sludge tank, respectively. For increasing the COD, SS, T-N, and T-P removals in small-scale livestock wastewater treatment apparatus, the water plant filtration and activated sludge beds are recommended. In livestock wastewater treatment plant with water plant filtration ( treatment) and activated sludge ( treatment) beds, the concentrations of COD, SS, T-N, and T-P in effluent were 39, 15, 42 and , respectively. It was shown that the concentrations of COD, SS, T-N, and T-P met acceptable effluent quality standard for livestock wastewater. Based on the above results, the removal rates of COD, SS, T-N, and T-P in effluent were over 99.8, 99.9, 99.2, and 99.9% in livestock wastewater treatment plant, respectively.
 Keywords
Livestock wastewater;COD;SS;T-N;T-P;Constructed wetlands;Water plant filtration;Activated sludge;
 Language
Korean
 Cited by
1.
Evaluation of Removal Efficiency of Pollutants in Constructed Wetlands for Treating Greenhouse Wastewater Under Different Filter Media, Configuration Methods and Agricultural Water Loading., Korean Journal of Ecology and Environment, 2014, 47, 1, 13  crossref(new windwow)
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