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박덕신,정우성,정병철 한국철도학회 2000 한국철도학회논문집 Vol.3 No.2
Modern people stay at indoor places about 90% of a day. Radon-222 is a gas produced by the radioactive decay of the element radium. And, radon is one of the major indoor air pollutants. Radon moves into the underground space through various routes and is considered to cause lung cancer by hurting the lung tissues. In this study, we measured the subway radon level at 9 stations of 3 lines. According to test results, we can figure out the concentration of radon by lines, times, and measuring points. So, it was found that ventilation conditions are the most important factors in the subway air quality. Finally, we suggested effective and economic management methods of air pollution in the subway.
대중교통수단에서 PM10, PM2.5 및 CO2의 농도 현황과 저감기술 개발에 관한 연구
박덕신 한국입자에어로졸학회 2010 Particle and Aerosol Research Vol.6 No.1
conducted between February 2009 and March 2008 at Suwon-Yeosu line in Korea. PM10 concentration level was 100㎍/㎥ on average. The PM2.5 to PM10 ratio in transport is 0.37, which was lower than the results published by other researches. The result also demonstrated that outdoor PM10 concentration was about 56~60% level compared to that of the cabin. CO2 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. CO2 concentration level in the cabin was CO2= 23.4 × N + 460.2, and about 23.4ppm in CO2 concentration level increased every time one passenger was added on. The experiment conducted on the train demonstrated that the average PM10 concentration level was 100㎍/㎥ in case of the reference cabin while average PM10 concentration level of the modified vehicle was 68㎍/㎥. Likewise, effect of the particle reduction device for the reduction of PM10 concentration level was approximately 21%. Meanwhile there was almost no difference in the concentration level between reference and modified cabin in case of PM2.5. Using zeolite as an adsorbent was made to reduce the CO2 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 CO2concentration level was reduced in the modified cabin effect of the CO2 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. conducted between February 2009 and March 2008 at Suwon-Yeosu line in Korea. PM10 concentration level was 100㎍/㎥ on average. The PM2.5 to PM10 ratio in transport is 0.37, which was lower than the results published by other researches. The result also demonstrated that outdoor PM10 concentration was about 56~60% level compared to that of the cabin. CO2 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. CO2 concentration level in the cabin was CO2= 23.4 × N + 460.2, and about 23.4ppm in CO2 concentration level increased every time one passenger was added on. The experiment conducted on the train demonstrated that the average PM10 concentration level was 100㎍/㎥ in case of the reference cabin while average PM10 concentration level of the modified vehicle was 68㎍/㎥. Likewise, effect of the particle reduction device for the reduction of PM10 concentration level was approximately 21%. Meanwhile there was almost no difference in the concentration level between reference and modified cabin in case of PM2.5. Using zeolite as an adsorbent was made to reduce the CO2 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 CO2concentration level was reduced in the modified cabin effect of the CO2 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.
지하철에서 입자상물질 처리기술의 경제성 분석에 관한 연구
박덕신,이용일,정원석,정우태,권순박,조영민,고상원 한국냄새환경학회 2016 실내환경 및 냄새 학회지 Vol.15 No.1
This paper is focused on an economic analysis of applied air pollutant control technologies used for the particulate matters present in subway. Beneficial effects such as reduction in medical expenses and prevention of productivity loss and death are achievable through the adaptation of control technologies. The result showed that the total investment expense was 97.6 billion won and the cost-benefit was 4776.8 billion won, therefore a 4.8 benefit/ cost ratio was attained.