Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Treatment Efficiency of Pollutants in Constructed Wetlands under Different Hydroponic Wastewater Injection Methods and Characteristic of Filter Media

시설하우스 폐양액 주입방법 및 여재 특성에 따른 인공습지에서 수질오염물질의 처리효율

  • Seo, Dong-Cheol (Department of oceanography and Coastal Sciences, School of the Coast and Environment, Louisiana State University) ;
  • Park, Jong-Hwan (Division of Applied Life Science, GyeongSang National University) ;
  • Cheon, Yeong-Seok (Division of Applied Life Science, GyeongSang National University) ;
  • Park, Seong-Kyu (Division of Applied Life Science, GyeongSang National University) ;
  • Kim, Ah-Reum (Division of Applied Life Science, GyeongSang National University) ;
  • Lee, Won-Gyu (Department of Business Supprot, GyeongSangnamdo Provincial Government Building) ;
  • Lee, Sang-Won (Department of Microbiological Engineering, Jinju National University) ;
  • Lee, Seong-Tae (Gyeongnam-do Agricultural Research and Extension Services) ;
  • Cho, Ju-Sik (Division of Applied Life and Environmental Sciences, Sunchon National University) ;
  • Heo, Jong-Soo (Division of Applied Life Science, GyeongSang National University)
  • 서동철 (루이지애나주립대 해양연안과학과) ;
  • 박종환 (경상대학교 응용생명과학부) ;
  • 천영석 (경상대학교 응용생명과학부) ;
  • 박성규 (경상대학교 응용생명과학부) ;
  • 김아름 (경상대학교 응용생명과학부) ;
  • 이원규 (경상남도 도청 기업지원과) ;
  • 이상원 (진주산업대 미생물공학과) ;
  • 이성태 (경상남도 농업기술원) ;
  • 조주식 (순천대학교 생명환경과학부) ;
  • 허종수 (경상대학교 응용생명과학부)
  • Received : 2010.04.01
  • Accepted : 2010.06.08
  • Published : 2010.06.30
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Abstract

In order to improve T-N and T-P removal in HF (horizontal flow)-HF hybrid constructed wetlands by natural purification method for treating the hydroponic wastewater in greenhouses, the efficiency of water treatment as affected by the injection method of hydroponic wastewater, the addition of special filter media, the particle size of filter media, and the injection ratio of hydroponic wastewater in $1^{st}$ HF and $2^{nd}$ HF beds were investigated in small-scale HF-HF hydroponic wastewater treatment apparatus. Removal rate of T-P in the water in HF-HF hydroponic wastewater treatment apparatus with calcite as affected by addition method of special filter media was higher than that in HF-HF hydroponic wastewater treatment apparatus with other filter media. Removal rate of BOD, COD, SS, T-N and T-P in the water in mixed filter media with calcite were 86, 84, 87, 50 and 97%, respectively. Removals of pollutants except for T-P in the water were slightly different. Therefore, it should be considered that the removal rate of T-P was good for calcite in HF-HF hydroponic wastewater treatment apparatus. To improve T-N and T-P removal, the optimum particle size of filter media was 1.2 mm, and the optimum injection ratio ($1^{st}$ HF bed : $2^{nd}$ HF bed) of hydroponic wastewater was 60:40.

Keywords

References

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  4. Selection of Optimum System in Constructed Wetlands for Treating the Hydroponic Waste Solution Containing Nitrogen and Phosphorus vol.45, pp.5, 2012, https://doi.org/10.7745/KJSSF.2012.45.5.764