Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Potential Exposure to Air Pollutants for Driver and Its Control Using Commercial Air Cleaning Device Inside Vehicle

차량 운전자의 공기오염물질 잠재적 노출 및 차량용 공기청정기에 의한 제어

  • Kim Dae-Won (Department of Environmental Science, Catholic University of Daegu) ;
  • Kim Moon-Hyeon (Department of Environmental Engineering, Daegu University) ;
  • Yang Won-Ho (Department of Occupational Health, Catholic University of Daegu)
  • 김대원 (대구가톨릭대학교 환경과학과) ;
  • 김문현 (대구대학교 환경공학과) ;
  • 양원호 (대구가톨릭대학교 산업보건학과)
  • Published : 2004.12.01
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Abstract

Vehicle occupant exposure to air pollutants has been a subject of concern in recent years because of higher levels of air pollutants inside gasoline or diesel-using vehicle, comparing to the surrounding atmosphere. Contrary to previous studies, fuel of vehicles operated in this study was liquefied petroleum gas (LPG). This study examined the potential exposure and removal efficiency of selected volatile organic compounds (VOCs), nitrogen dioxide ($NO_2$) and respirable suspended particle (RSP) by commercial air cleaning device inside vehicle under different ventilation conditions. Vehicle concentrations inside of benzene, toluene, m,p-xylene, $NO_2$ and RSP were lower under the low ventilation condition. This was indicated that outdoor air pollutants could affect the vehicle air quality inside in case metropolitan cities such as Daegu. The urban vehicle concentrations inside of benzene, toluene, m,p-xylene, $NO_2$ and RSP with air cleaning device were higher than those without air cleaning device. This means that the use of air cleaning device equipped with activated carbon filter, which was used in this study, in the interior of vehicles could be expected to reduce the vehicle occupants exposure to air pollutants effectively. In batch type reactor of laboratory scale, removal efficiencies of air cleaning device used were $97.0\%,\;95.7\%,\;94.6\%\;and\;85.5\%$ respectively in benzene, toluene, m,p-xylene and $NO_2$.

Keywords

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