신발먼지 차단을 통한 실내공기질 개선에 관한 연구 = A study on the improvement of indoor air quality by prevention of outdoor dust brought in by shoes

다국어 초록 (Multilingual Abstract)

The objective of this study was to investigate the effect of shoe dust on the indoor environment, and the effectiveness of shoe dust control on indoor air quality. Test dust was resuspended to reach a mass concentration of particles (2.5-10 µm size) more than 3 times compared to background level, and 1.5 times for particles less than 1 µm in size. The shoes, which were used for actual walking purposes in the outdoor environment, increased indoor PM10 concentration by 118±9%. The removal of shoe dust by water washing and mechanical suction brought about an improvement of indoor air quality. In particular, in circumstances where 27 people walked for one hour into the indoor environment, the mechanical suction of shoe dust decreased PM10 concentration by about 17% (based on the mass balance analysis).

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