Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 416, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2021.125920
Keywords
Fine dust; PM2; 5; PM10; Indoor pollutant; Accelerated friction deterioration test
Categories
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT, MOE) [2019M3E7A1113095]
- National Research Foundation of Korea [2019M3E7A1113095] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Particles of fine dust generated from deteriorating building flooring were confirmed through a study using an accelerated friction deterioration device. Different surfaces of flooring resulted in varying particle distribution, with concentrations of fine dust reaching 327 mg/m3 in PM2.5 and 4828 mg/m3 in PM10. Further research is needed on the detection of fine dust in degraded building finishing materials.
Particles of fine dust are pollutants that adversely affect indoor air quality and exacerbate human respiratory diseases. The aging of the building was pointed out as a source of fine dust indoors. The aging of buildings has various causes of deterioration. During various deterioration, friction adversely affects the building floor finish. In this study, an accelerated friction deterioration device was used to confirm the generation of fine dust particles through the frictional deterioration of floor finishes in buildings. The study found that the concentration of fine dust particles attributed to deteriorating flooring was 327 mg/m3 in PM2.5 and 4828 mg/m3 in PM10 and confirmed that particle distribution differs depending on the surface of the flooring. Particles of 10 mu m or less were observed through particle analysis. The study confirmed that fine dust particles did not diffuse in a specific direction and that the detected fine dust particles could be attributed to deterioration. Further research is needed on the detection of fine dust in degraded building finishing materials.
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