도로터널 내 공기질 측정과 Bag Filter를 이용한 미세먼지 제거 성능평가
Air quality monitoring and evaluation of bag filter performance for removal of fine particulates in roadway tunnels
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참고문헌
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초록
수도권에 있는 4개 도로터널을 선정해 오전 7시부터 오전 9시까지 미세먼지와 벤젠을 측정한 결과 PM10은 111~268 μg/m3으로 연간 대기환경기준치인 50 μg/m3을 2~5배 이상 초과하였고 PM2.5는 35~65 μg/m3으로 대기환경기준치인 25μg/m3을 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 30~400 μg/m3으로 나타났고 Bag filter를 이용한 PM10의 제거효율은 97% 이상으로 나타나 향후 터널 내 대기질 개선에 기여할 것으로 판단된다. 벤젠의 경우 250~350 ppb로 측정되었다.
Abstract
Air quality was monitored in four roadway tunnels located near Seoul metropolitan area from 7:00AM to 9:00AM. PM10 concentrations range 111~268 ㎍/m3, which are 2~5 times higher than annual standard 50 ㎍/m3, and PM2.5 concentrations range 35~65 ㎍/m3, which are 1.5~2.5 times higher than annual standard 25 ㎍/m3. 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 30~400 ㎍/m3 and over 97% of them can be removed by bag filter, effectively. Finally, benzene concentrations range 250~350 ppb.
참고문헌 (11)
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