Air quality monitoring and evaluation of bag filter performance for removal of fine particulates in roadway tunnels

Beom-Seok Kim; IL-Gun Park; Dong-Gyun Jung; Sang-Don Lee; Min-Sun Hong

doi:10.9711/KTAJ.2015.17.5.523

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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

30 September 2015. pp. 523-531

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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 111~268 ㎍/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.

Keywords

Roadway tunnel

Fine particles

Flue gas

Bag filter

PM10

PM2.5

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.

키워드

도로터널

미세먼지

유해가스

백필터

PM10

PM2.5

References

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Information

Publisher :Korean Tunneling and Underground Space Association
Publisher(Ko) :한국터널지하공간학회
Journal Title :Journal of Korean Tunnelling and Underground Space Association
Journal Title(Ko) :한국터널지하공간학회 논문집
Volume : 17
No :5
Pages :523-531
Received Date : 2015-08-05
Revised Date : 2015-09-09
Accepted Date : 2015-09-11
DOI :https://doi.org/10.9711/KTAJ.2015.17.5.523

Journal of Korean Tunnelling and Underground Space Association ISSN:2233-8292(Print) 2287-4747(Online) 한국터널지하공간학회 논문집

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