Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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A Study of RCSTP Nutrient Removal Efficiency in Winter Season

동절기 마을하수처리장 영양염류 제거에 관한 연구

  • Im, Jiyeol (School of Civil, Environmental and Architectural Engineering, Korea University) ;
  • Gil, Kyungik (Department of Civil Engineering, Seoul National University of Science and Technology)
  • 임지열 (고려대학교 건축사회환경공학과) ;
  • 길경익 (서울과학기술대학교 건설시스템디자인공학과)
  • Received : 2014.04.15
  • Accepted : 2014.06.20
  • Published : 2014.08.31
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Abstract

Sewage distribution rate in rural area is only 50% level than urban area. Normally, rural area sewage is focused on the reason of water source pollution owing to rural areas were located in near water source. The Korea government is effort to manage the rural community sewage for protect the water source. In this study conducted analysis on rural community sewage treatment plant(RCSTP) nutrient treatment efficiency using operation results on winter season. Research areas are newly constructed in Bong-hwa, Yeong-yang and An-dong areas which are located in near An-dong Im-ha Dam. Based on operation result, sludge retention time(SRT) and mixed liquer suspended solid(MLSS) were effected on RCSTP nutrient treatment efficiency. Thus, it is necessary to manage of operation condition for nutrient treatment efficiency in RCSTP during the winter season.

농촌 지역 마을하수도 보급률은 도시 지역에 비해 38% 정도 수준밖에 되지 않는다. 농촌 지역은 상수원 인근에 위치하여 농촌지역에서 발생하는 하수는 상수원 오염의 원인으로 알려져 있다. 그래서 정부에서는 마을하수도 관리에 많은 노력을 기울이고 있다. 본 연구에서는 동절기 마을하수도 영양염류 제거 효율을 분석하였으며, 안동 임하댐 인근에 위치한 봉화, 영양 그리고 안동의 신설된 마을하수도를 연구 대상으로 선정하였다. 동절기 마을하수도 영양염류 제거 효율은 체류 시간과 미생물 농도에 영향을 받는 것으로 나타났다. 따라서 마을하수도 운전 시 영양염류 처리를 위해 운전 조건 조절 및 유지관리가 필요하다는 것을 의미한다.

Keywords

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