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ISSN : 1738-4125(Print)
ISSN : 2287-7509(Online)
Journal of Odor and Indoor Environment Vol.8 No.3 pp.223-232
DOI :

지하철 공조실 여과성능 개선을 위한 비용편익 산출

김승호1), 이동기, 조영민*
경희대학교 환경응용과학과 및 환경연구센터, 1)강원대학교 환경공학과

Evaluation of cost & environmental benefits by enhancement of dust filtration in a subway MVAC

Young Min Jo*, Seung Ho Kim1), Dong Ki Lee
Dept. of Env. Sci. & Eng., Kyunghee University, Center for Env. Studies, Gyeonggido, Korea
1)Dept. of Env. Eng., Kangwon Universtiy, Samcheok, Kangwondo, Korea

Abstract

In order to meet the national standard and public needs for Seoul Metro subway, air purification has beentaken into a consistent consideration with the addition of high quality control facilities. This work focuses onthe review of the cost effectiveness to improve the air filtration of an MVAC (mechanical ventilation & airconditioning) in a field subway. The inflow PM10 and PM2.5 into the test MVAC chamber were 19.4 kg/yr and8.9 kg/yr respectively. It corresponds to the environmental cost of 5,857,000 won for PM10 and 6,608,000won for PM2.5 every year. While the current filtration system collects approximately 55% of the inlet PM10and 35% of PM2.5, a new lay-out showed 80% for PM10 and 55% for PM2.5. The new design presented theenvironmental benefit for PM10 with 1,464,000 won, whilst the additional cost required 3,192,744 won. In thefuture, however, the increase of environmental benefits for the indoor dust over the atmospheric aerosolswill more or less compensate the potential cost.

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