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KMID : 1024520130220010007
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Journal of the Environmental Sciences
2013 Volume.22 No. 1 p.7 ~ p.15
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Aerosol Characterization Study for Individual Particle of PM10, PM2.5 Observed in Industrial Area
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Lee Dong-Hyun
Kim Yong-Seok
Suh Jeong-Min
Choi Kum-Chan
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Abstract
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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 PM10 concentration was 65.5 ㎍/㎥ in summer, 104.1 ㎍/㎥ in winter during the sample periods. And Average PM2.5 concentration was 24.5 ㎍/㎥ in summer, 64.5 ㎍/㎥ 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/㎤, and the density of PM2.5 was measured above 3 g/㎤. 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.
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KEYWORD
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PM10, PM2.5, Individual particle, Aerosol, Non-ferrous industry, Chemical composition
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