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http://dx.doi.org/10.7745/KJSSF.2011.44.5.937

Treatment Efficiencies and Decomposition Velocities of Pollutants in Constructed Wetlands for Treating Hydroponic Wastewater  

Park, Jong-Hwan (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Seo, Dong-Cheol (Department of Bio-Environmental Sciences, Sunchon National University)
Kim, Ah-Reum (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Kim, Sung-Hun (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Lee, Choong-Heon (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Lee, Seong-Tea (Gyeongnam Agricultural Research and Extension Services)
Jeong, Tae-Uk (Busan Metropolitan City Institude of Health and Environment Research)
Lee, Sang-Won (Department of Microbiological Engineering, Junju National University)
Ha, Yeong-Rae (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Cho, Ju-Sik (Department of Bio-Environmental Sciences, Sunchon National University)
Heo, Jong-Soo (Divison of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, GyeongSang National University)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.44, no.5, 2011 , pp. 937-943 More about this Journal
Abstract
In order to develop constructed wetlands for treating hydroponic wastewater in greenhouses, removal efficiencies and decomposition velocities of pollutants in constructed wetland were investigated for treating hydroponic wastewater. Removal rates of BOD, COD, SS, T-N and T-P in effluent in constructed wetlands were 88%, 79%, 92%, 64% and 92%, respectively. The decomposition velocities (K; $day^{-1}$) of pollutants in $1^{st}$ HF bed of constructed wetlands were higher in the order of SS ($0.54day^{-1}$) > BOD ($0.39day^{-1}$) > COD ($0.27day^{-1}$) > T-P ($0.26day^{-1}$) > T-N ($0.06day^{-1}$). In $1^{st}$ HF bed of constructed wetlands, the decomposition velocity of SS was rapid than that for BOD, COD, T-N and T-P in constructed wetland for treating hydroponic wastewater. The decomposition velocity (K; $day^{-1}$) of pollutants in $2^{nd}$ HF bed of constructed wetland were higher in the order of T-P ($0.52day^{-1}$) > BOD ($0.28day^{-1}$) > COD ($0.15day^{-1}$) > T-N ($0.06day^{-1}$) > SS ($0.10day^{-1}$). In $2^{nd}$ HF bed of constructed wetlands, the decomposition velocity of T-P was rapid than that for BOD, COD, SS and T-N in constructed wetland for treating hydroponic wastewater.
Keywords
Hydroponic wastewater; Greenhouses; Constructed wetlands; Horizontal flow; Decomposition velocity;
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Times Cited By KSCI : 5  (Citation Analysis)
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