산업단지내 미세먼지 및 토양입자의 개별입자 분석

DOI QR코드

DOI QR Code

이동현;김용석;서정민;최금찬
Lee, Dong-Hyun;Kim, Yong-Seok;Suh, Jeong-Min;Choi, Kum-Chan

  • 투고 : 2012.08.09
  • 심사 : 2013.01.25
  • 발행 : 2013.01.31

초록

Aerosol characterization study for individual particle in Busan metropolitan industrial complex was carried out from December 2010 to August 2011. SEM(scanning electron microscope)-EDX(energy dispersive x-ray) analysis was used for the analysis of 600 single particles during the sampling periods to identify non-metallic aerosol particle sources. Average $PM_{10}$ concentration was 65.5 ${\mu}g/m^3$ in summer, 104.1 ${\mu}g/m^3$ in winter during the sample periods. And Average $PM_{2.5}$ concentration was 24.5 ${\mu}g/m^3$ in summer, 64.5 ${\mu}g/m^3$ in winter individually. Particle density, enrichment factor, correlation analysis, principle component analysis were performed based on chemical composition data. Particle density distribution was measured to 2~4 $g/cm^3$, and the density of $PM_{2.5}$ was measured above 3 $g/cm^3$. In general, the elements Si, Ca, Fe and Al concentrations were higher in all samples of individual particles. The non-ferrous elements Zn, Br, Pb, Cu concentrations were higher in summer than in winter. The concentrations were not changed with the seasons because of non-ferrous industry emission pattern.

키워드

$PM_{10}$;$PM_{2.5}$;Individual particle;Aerosol;Non-ferrous industry;Chemical composition

참고문헌

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