Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Evaluation of Treatment Efficiencies of Pollutants in Boknae Bio-Park Constructed Wetlands

복내바이오파크 인공습지의 오염물질 처리효율 평가

  • Seo, Dong-Cheol (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Kang, Se-Won (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Kim, Hyun-Ook (Division of Environmental Engineering, University of Seoul) ;
  • Han, Myung-Ja (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Lim, Byung-Jin (Yeongsan River Environmental Research Center, National Institute of Environmental Research Ministry of Environment) ;
  • Park, Jong-Hwan (Yeongsan River Environmental Research Center, National Institute of Environmental Research Ministry of Environment) ;
  • Kim, Kap-Soon (Yeongsan River Environmental Research Center, National Institute of Environmental Research Ministry of Environment) ;
  • Lee, Yeong-Jae (Yeongsan River Environmental Research Center, National Institute of Environmental Research Ministry of Environment) ;
  • Choi, Ik-Won (Division of Environmental Engineering, University of Seoul) ;
  • Heo, Jong-Soo (Division of Applied Life Science, Gyeongsang National University) ;
  • Cho, Ju-Sik (Department of Bio-Environmental Sciences, Sunchon National University)
  • 서동철 (순천대학교 생물환경학과) ;
  • 강세원 (순천대학교 생물환경학과) ;
  • 김현욱 (서울시립대학교 환경공학부) ;
  • 한명자 (순천대학교 생물환경학과) ;
  • 임병진 (국립환경과학원 영산강 물환경 연구소) ;
  • 박종환 (국립환경과학원 영산강 물환경 연구소) ;
  • 김갑순 (국립환경과학원 영산강 물환경 연구소) ;
  • 이영재 (국립환경과학원 영산강 물환경 연구소) ;
  • 최익원 (서울시립대학교 환경공학부) ;
  • 허종수 (경상대학교 응용생명과학부) ;
  • 조주식 (순천대학교 생물환경학과)
  • Received : 2011.03.16
  • Accepted : 2011.04.08
  • Published : 2011.04.30
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Abstract

Boknae Bio-park is a free water surface constructed wetlands to remove non-point source pollution. Boknae Bio-park constructed wetlands (CWs) consist of forebay, wetlands ($1^{st}$, $2^{nd}$, and $3^{rd}$ wetlands), and micropool. The concentrations of BOD, SS, T-N and T-P in inflow were 1.87-4.23, 5.2-24.0, 4.94-15.59 and $0.10-0.75mg\;L^{-1}$ in Boknae Bio-park CWs from April to December in 2008, respectively. The removal rates of BOD, SS, T-N and T-P in Boknae Bio-park CWs were 26, 43, 62 and 83%, respectively. The removal rates of BOD and SS in the spring and summer were higher than those in other seasons. The removal rates of T-N and T-P on spring were slightly higher than those in other seasons. The amounts of pollutants removal in Boknae Bio-park CWs were higher in the order of forebay > wetlands > micropool for BOD, wetlands > forebay > micropool for SS and wetlands > forebay > micropool for T-N. The amount of T-P removal was not significant different in all areas.

주암호 상수원 상류지역에 위치한 복내 바이오파크 인공습지의 수생태학적 효율 향상을 위한 관리 방안을 제시하기 위하여 시기별, 계절별 및 오염물질 부하량별 수처리 효율을 평가하였다. 유입원수의 BOD, SS, T-N 및 T-P의 함량은 각각 1.87-4.23, 5.2-24.0, 4.94-15.59 및 $0.10-0.75mg\;L^{-1}$ 범위이었으며, 연평균 처리효율은 BOD, SS, T-N 및 T-P가 각각 26, 43, 62 및 83%로서 BOD 처리효율은 낮았으나 T-N과 T-P 처리효율은 매우 높았다. 계절별 수처리 효율은 전반적으로 동절기에 비하여 하절기에 높았으며 T-P의 처리효율은 계절적인 차이 없이 비교적 일정하게 높은 처리효율을 보였다. 인공습지 구성시스템별 오염물질 부하량에 따른 오염물질 처리량은 BOD는 침강지 > 습지조 > 마이크로폴, T-N과 SS는 습지조 > 침강지 > 마이크로폴 순이었으며 T-P의 경우에는 습지 구성 시스템별 큰 차이 없이 비교적 일정한 처리량을 보였다.

Keywords

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