Journal of Korean Tunnelling and Underground Space Association (한국터널지하공간학회 논문집)

Korean Tunnelling and Underground Space Association (한국터널지하공간학회)
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Air quality monitoring and evaluation of bag filter performance for removal of fine particulates in roadway tunnels

도로터널 내 공기질 측정과 Bag Filter를 이용한 미세먼지 제거 성능평가

  • Kim, Beom-Seok (Department of Environmental Engineering, Ajou University) ;
  • Park, IL-Gun (Pyunghwa Engineering Technique Research Institute) ;
  • Jung, Dong-Gyun (Department of Environmental Engineering, Ajou University) ;
  • Lee, Sang-Don (Department of Environmental Engineering, Ajou University) ;
  • Hong, Min-Sun (Department of Environmental Engineering, Ajou University)
  • 김범석 (아주대학교 환경공학과 석박통합과정) ;
  • 박일건 (평화엔지니어링 기술연구원) ;
  • 정동균 (아주대학교 환경안전공학과) ;
  • 이상돈 (아주대학교 환경공학과) ;
  • 홍민선 (아주대학교 환경공학과)
  • Received : 2015.08.05
  • Accepted : 2015.09.11
  • Published : 2015.09.30
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Abstract

Air quality was monitored in four roadway tunnels located near Seoul metropolitan area from 7:00AM to 9:00AM. PM10 concentrations range $111{\sim}268{\mu}g/m^3$, which are 2~5 times higher than annual standard $50{\mu}g/m^3$, and PM2.5 concentrations range $35{\sim}65{\mu}g/m^3$, which are 1.5~2.5 times higher than annual standard $25{\mu}g/m^3$. Benzene concentrations range 300~500 ppb, which are 200~300 times higher than 1.5 ppb which is air quality standard. Four-month long term air quality monitoring and test results in one of long tunnels show that PM10 range $30{\sim}400{\mu}g/m^3$ and over 97% of them can be removed by bag filter, effectively. Finally, benzene concentrations range 250~350 ppb.

수도권에 있는 4개 도로터널을 선정해 오전 7시부터 오전 9시까지 미세먼지와 벤젠을 측정한 결과 PM10은 $111{\sim}268{\mu}g/m^3$으로 연간 대기환경기준치인 $50{\mu}g/m^3$을 2~5배 이상 초과하였고 PM2.5는 $35{\sim}65{\mu}g/m^3$으로 대기환경기준치인 $25{\mu}g/m^3$을 1.5배~2.5배 초과 하였다. 벤젠의 경우 300~500 ppb로 나타나 대기환경기준치인 1.5 ppb의 200~330배 초과하였다. 국내 장대터널에서 4개월 연속 측정한 결과 PM10의 경우 $30{\sim}400{\mu}g/m^3$으로 나타났고 Bag filter를 이용한 PM10의 제거효율은 97% 이상으로 나타나 향후 터널 내 대기질 개선에 기여할 것으로 판단된다. 벤젠의 경우 250~350 ppb로 측정되었다.

Keywords

References

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