대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제36권10호
  • /
  • Pages.711-718
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  • 2014
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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발포고분자여재가 충전된 파일럿 규모의 비점오염물질 처리장치를 이용한 도로 강우유출수 처리

Road Runoff Treatment using Pilot Scale-NPS Treatment Plant Filling up Expended Polypropylene Media

  • 김석구 (한국건설기술연구원 환경연구실) ;
  • 오혜철 (한국건설기술연구원 환경연구실) ;
  • 안재환 (한국건설기술연구원 환경연구실)
  • Kim, Seogku (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology) ;
  • Oh, Hyecheol (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology) ;
  • Ahn, Jaehwan (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
  • 투고 : 2014.10.07
  • 심사 : 2014.10.30
  • 발행 : 2014.10.30
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초록

실제 도로현장에 Pilot plant 규모의 비점오염물질 처리장치를 적용하여 강우사상에 따른 유출과 각 오염물질에 대한 처리특성을 조사하였다. 발포고분자 여재를 충전시킨 여과컬럼은 90분 이후에 막힘 현상이 발생되어 유입수의 bypass 현상이 발생되었다. SS 200 mg/L 이상의 고농도가 처리조로 유입될 경우 반응시간 60분부터 유출수의 처리효율이 급격히 저하되었다. 고형물질 농도(SS) 180 mg/L 이하에서는 안정적인 처리가 이루어졌다. $COD_{Cr}/SS$ 비는 중간값 0.67로 분석되었으며, SS의 제거는 $COD_{Cr}$의 제거와 밀접하게 나타났다. SS와 $COD_{Cr}$의 평균 제거율은 각각 92.1%와 82.3%로 나타났다. 유입수의 TP 농도가 0.5 mg/L 이하일 경우 처리수질이 0.1 mg/L 수준에서 안정적인 처리를 나타내었고, 1.0 mg/L 이상으로 유입될 경우 처리수의 수질은 평균 0.2 mg/L를 초과였다. TN의 경우 4~10 mg/L로 반응조로 유입될 경우 처리수질은 1.5~3.0 mg/L 수준을 유지하였다. TP와 TN 각각의 평균제거율은 73.9%, 50.4%이다.

Investigated the processing characteristics of the pollutants and runoff due to storm events in the actual application of the road fields and a Non-Point Sources (NPS) pilot scale equipment. This phenomenon has occurred in the influent bypass the blockage occurs after 90 min the expended polymeric media was filled with filtered column. When entering a treatment tank SS 200 mg/L or more high concentration of effluent treatment efficiency was reduced from the reaction time 60 min. Influent concentration less then SS 180 mg/L was stable handling. The $COD_{Cr}/SS$ ratio were analyzed with 0.67, median value. Showed 92.1% and 82.3% respectively with an average removal rate of the SS and the $COD_{Cr}$. If the influent concentration of TP is the 0.5 mg/L or less, the quality of the treated water is 0.1 mg/L levels were expressed in a stable process. And when entering the 1.0 mg/L or more of the treated water, had a greater than average 0.2 mg/L. If the influent concentration of TN is 4~10 mg/L, the treatment water quality level was kept a 1.5~3.0 mg/L. The average removal efficiency of TP and TN respectively 73.9%, 50.4%.

키워드

참고문헌

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피인용 문헌

  1. Optimization of Operation and Backwashing Condition for an Upflow Stormwater Filtration System Utilizing Ceramic Media vol.39, pp.8, 2017, https://doi.org/10.4491/KSEE.2017.39.8.478