Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Analysis of Deposited Dust Particles using SEM/EDX

SEM/EDX 분석법을 이용한 침착먼지에 대한 분석사례

  • Ha, Eun-Ji (Department of Environmental Engineering, Gyeongsang National University) ;
  • Park, Jeong-Ho (Department of Environmental Engineering, Gyeongsang National University)
  • 하은지 (경상국립대학교 환경공학과) ;
  • 박정호 (경상국립대학교 환경공학과)
  • Received : 2021.01.29
  • Accepted : 2021.02.19
  • Published : 2021.03.31
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Abstract

In this study, the composition and morphology of deposited dust particles with size ranging from a few to tens ㎛ were investigated using SEM/EDX (scanning electron microscopy with energy dispersive x-ray spectrometer). Then deposited dust particles were classified into 8 groups: quartz, aluminosilicates, ca-rich, Fe/Ti oxide, carbon-rich, industrial particle, Fe-rich, and biogenic particle. The sources of deposited dust were high in the order of aluminosilicates 41% > biogenic 18% > Fe-rich 11% > quartz and C-rich 8% > industrial 7% > Fe/Ti oxide 5% > Ca-rich 1%. In particular, the ratio of biogenic particles was relatively high due to influence of pollen. The ratio of carbon-rich was 11% at YM site, 10% at MD site, and 4% at MO site, and the site close to the large emission source was high.

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