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Characteristics of PM10, PM2.5 and CO2 Concentration in Public Transportations and Development of Control Technology  

Park, Duck Shin (Railroad Environment Research Department, Korea Railroad Research Institute)
Kwon, Soon Bark (Railroad Environment Research Department, Korea Railroad Research Institute)
Cho, Young Min (Railroad Environment Research Department, Korea Railroad Research Institute)
Jang, Seong Ki (Indoor Environmental Research Division, National Institute of Environmental Research)
Jeon, Jae Sik (Indoor Air and Noise Team, Seoul Metropolitan Government Research Institute of Public Health and Environment)
Park, Eun Young (Railroad Environment Research Department, Korea Railroad Research Institute)
Publication Information
Particle and aerosol research / v.6, no.1, 2010 , pp. 9-20 More about this Journal
Abstract
This study examined the concentration level of the major air pollutants in public transportation. The study was conducted between February 2009 and March 2008 at Suwon-Yeosu line in Korea. $PM_{10}$ concentration level was $100{\mu}g/m^3$ on average. The $PM_{2.5}$ to PM10 ratio in transport is 0.37, which was lower than the results published by other researches. The result also demonstrated that outdoor $PM_{10}$ concentration was about 56~60% level compared to that of the cabin. $CO_2$ concentration level in the cabin was 1,359ppm, which does not exceed 2,000ppm, which is the guideline concentration level according to the Ministry of Environment. $CO_2$ concentration level in the cabin was $CO_2=23.4{\times}N+460.2$, and about 23.4ppm in $CO_2$ concentration level increased every time one passenger was added on. The experiment conducted on the train demonstrated that the average $PM_{10}$ concentration level was $100{\mu}g/m^3$ in case of the reference cabin while average $PM_{10}$ concentration level of the modified vehicle was $68{\mu}g/m^3$. Likewise, effect of the particle reduction device for the reduction of $PM_{10}$ concentration level was approximately 21%. Meanwhile there was almost no difference in the concentration level between reference and modified cabin in case of $PM_{2.5}$. Using zeolite as an adsorbent was made to reduce the $CO_2$ concentration level in the cabin. Number of passengers was factored in, to calculate the effect of the adsorption device, which demonstrated that about 36% of $CO_2$ concentration level was reduced in the modified cabin effect of the $CO_2$ reduction device. This research analyzed the current status concerning the quality of air in the public transportation and technologies were developed that reduces major air pollutants.
Keywords
Indoor Air Quality; Air Cleaner; Railroad Passenger Cabin; Public Transportation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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