The indoor air quality management of the railroad passenger cabin is a hot environmental issue inmany countries. Especially, particulate matters are known to be harmful for lung and bronchus, andhigh concentration of carbon dioxide may cause headache and dizziness. Therefore, new regulation tolimit the particulate matters and carbon dioxide concentrations in the railroad passenger cabin is underpreparation in Korea. In this study, a new concept of an integrated novel air cleaning system for railroadpassenger cabin was suggested.
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