한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제48권6호
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  • Pages.113-124
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  • 2006
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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소규모 오수발생지역의 고도처리시설을 위한 상.하 흐름형 인공습지 개발

Development of Up- and Down-flow Constructed Wetland for Advanced Wastewater Treatment in Rural Communities

  • 김형중 (한국농촌공사 농어촌연구원) ;
  • 윤춘경 (건국대학교 생명환경과학대학 환경과학과) ;
  • 권태영 (㈜자연과환경) ;
  • 정광욱 (건국대학교 생명환경과학대학 환경과학과)
  • 발행 : 2006.11.30
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초록

The feasibility of the up- and down-flow constructed wetland was examined fur rural wastewater treatment in Korea. Many constructed wetland process was suffered from substrate clogging and high plant stresses because of long term operation. The up- and down-flow constructed wetland process used porous granule materials (charcoal pumice : SSR=10:20:70) for promoting intake rate of nutrient to plant, and especially flow type was designed continuously repeating from up-flow to down-flow. $BOD_5$ and SS was removed effectively by the process with the average removal rate being about 75% respectively. The wetland process was effective in treating nutrient as well as organic pollutant. Removal of TN and TP were more effective than other wetland system and mean effluent concentrations were approximately 7.5 and $0.4mg\;L^{-1}$ which satisfied the water quality standard for WWTPs. The treatment system did not experience any clogging or accumulations of pollutants and reduction of treatment efficiency during winter period because constructed polycarbonate glass structure prevented temperature drop. Considering stable performance and effective removal of pollutant in wastewater, low maintenance, and cost-effectiveness, the up- and down-flow constructed wetland was thought to be an effective and feasible alternative in rural area.

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참고문헌

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