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Growth Characteristic and Nutrient Uptake of Water Plants in Constructed Wetlands for Treating Livestock Wastewater

인공습지를 이용한 축산폐수처리장에서 수생식물의 생육특성과 영양염류 흡수특성

  • Park, Jong-Hwan (Division 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, Seong-Heon (Division of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Lee, Choong-Heon (Division of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Choi, Jeong-Ho (Division of Environmental Analysis, Korea Environment corporation) ;
  • Lee, Sang-Won (Department of Pharmaceutical Engineering, Gyeongnam National University of Science and Technology) ;
  • Lee, Dong-Jin (Yeongsan River Environmental Research Center, National Institute of Environmental Research Ministry of Environment) ;
  • Ha, Yeong-Rae (Division 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 (Division of Applied Life Science (BK21 Program) & Institute of Agriculture and Life Science, Gyeongsang National University)
  • 박종환 (경상대학교 응용생명과학부(Bk21 농생명산업 글로벌 인재 육성 사업단) & 농업생명과학원) ;
  • 서동철 (순천대학교 생물환경학과) ;
  • 김성헌 (경상대학교 응용생명과학부(Bk21 농생명산업 글로벌 인재 육성 사업단) & 농업생명과학원) ;
  • 이충헌 (경상대학교 응용생명과학부(Bk21 농생명산업 글로벌 인재 육성 사업단) & 농업생명과학원) ;
  • 최정호 (한국환경공단 환경분석처) ;
  • 이상원 (경남과학기술대학교 제약공학과) ;
  • 이동진 (국립환경과학원 영산강물환경연구소) ;
  • 하영래 (경상대학교 응용생명과학부(Bk21 농생명산업 글로벌 인재 육성 사업단) & 농업생명과학원) ;
  • 조주식 (순천대학교 생물환경학과) ;
  • 허종수 (경상대학교 응용생명과학부(Bk21 농생명산업 글로벌 인재 육성 사업단) & 농업생명과학원)
  • Received : 2012.10.23
  • Accepted : 2012.11.29
  • Published : 2012.12.31

Abstract

BACKGROUND: Constructed wetlands for wastewater treatment are vegetated by wetland plants. Wetland plants are an important component of wetlands, and the plants have several roles in relation to the livestock wastewater treatment processes. The objectives of this study were to investigate the growth characteristics and nutrient absorption of water plants in constructed wetlands for treating livestock wastewater. METHODS AND RESULTS: In this study, livestock wastewater treatment plant by constructed wetlands consisted of $1^{st}$ water plant filtration bed, $2^{nd}$ activated sludge bed, $3^{rd}$ vertical flow(VF), $4^{th}$ horizontal flow(HF) and $5^{th}$ HF beds. Phragmites communis TRINIUS(PHRCO) was transplanted in $3^{rd}$ VF bed, Iris pseudoacorus L(IRIPS) was transplanted in $4^{th}$ HF bed and PHRCO, IRIPS and Typha orientalis PRESEL(THYOR) were transplanted in $5^{th}$ HF. Growth of water plants in constructed wetlands were the highest in October. The IRIPS growth was higher than other plant as 264 g/plant in October. The absorption of nitrogen and phosphorus by IRIS were 3.38 g/plant and 0.634 g/plant, respectively. The absorption of K, Ca, Mg, Na, Fe, Mn, Cu and Zn by water plants were higher in the order of IRIPS > THYOR > PHRCO. CONCLUSION(S): The absorption of nutrients by water plants were higher on the order of IRIPS > THYOR > PHRCO in constructed wetlands for treating livestock wastewater.

Keywords

Constructed wetlands;Growth characteristics;Livestock wastewater;Nutrients uptake;Water plant

Acknowledgement

Supported by : National Research Foundation of Korea

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