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Analysis of water purification in the FWS wetland for Agreculture Area  

Kang, Chang-Guk (공주대학교 건설환경공학부)
Maniquiz, Marla C. (공주대학교 건설환경공학부)
Son, Young-Gyu (공주대학교 건설환경공학부.BK21)
Kim, Lee-Hyung (공주대학교 건설환경공학부)
Publication Information
Journal of Wetlands Research / v.12, no.3, 2010 , pp. 39-47 More about this Journal
Abstract
Annually, the scale of agricultural areas in Korea were being reduced as the lands were converted to other land uses. While the rate of productivity were either being maintained or increased, the pollution load from these areas were still greater in magnitude. Although the levels of pollutant concentration released in the agricultural watersheds were minimal, the combined quantities mostly from diffuse sources were high. As a consequence, the Ministry of Environment (MOE) in Korea adopted the use of free water surface (FWS) flow constructed wetlands to reduce the pollutant loadings emitted from agricultural watersheds for the improvement of water quality and protection of aquatic ecosystems. In this study, a constructed wetland treating stream water in an agricultural watershed was monitored since April 2009 subsequent to its completion in December 2008. Satisfactory performance was achieved for TSS, BOD and TP with 26%, 28% and 39% pollutant removal rates, respectively. In addition, the effluent water quality was improved and achieved compliance the national water quality criteria. Results of this study can be useful to establish design parameters and employ proper removal techniques of similar natural treatment systems for future implementation in the country.
Keywords
Agricultural area; Non-point source; Free Water Surface; Removal efficiency;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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