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자료유형
학술저널
저자정보
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한국환경과학회 한국환경과학회지 한국환경과학회지 제26권 제11호
발행연도
2017.11
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1,297 - 1,306 (10page)

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This study identified physical characteristics and aerosol particle sources of PM<sub>10</sub> and PM<sub>2.5</sub> in the industrial complex of Busan Metropolitan City, Korea. Samples of PM<sub>10</sub>, PM<sub>2.5</sub> and also soil, were collected in several areas during the year of 2012 to investigate elemental composition. A URG cyclone sampler was used for collection. The samples were collected according to each experimental condition, and the analysis method of SEM-EDX was used to determine the concentration of each metallic element. The comparative analysis indicated that their mass concentration ranged from 1% to 3%. The elements in the industrial region that were above 10% were Si, Al, Fe, and Ca. Those below 5% were Na, Mg, and S. The remaining elements (1% of total mass) consisted of elements such as Ni, Co, Br and Pb. Finally, a statistical tool was applied to the elemental results to identify each source for the industrial region. From a principal components analysis (SPSS, Ver 20.0) performed to analyze the possible sources of PM<sub>10</sub> in the industrial region, five main factors were determined. Factor 1 (Si, Al), which accounted for 15.8% of the total variance, was mostly affected by soil and dust from manufacturing facilities nearby, Factors 2 (Cu, Ni), 3 (Zn, Pb), and 4 (Mn, Fe), which also accounted for some of variance, were mainly related to iron, non-ferrous metals, and other industrial manufacturing sources. Also, five factors determined to access possible sources of PM<sub>2.5</sub>, Factor 1 (Na, S), accounted for 13.5% of the total variance and was affected by sea-salt particles and fuel incineration sources, and Factors 2 (Ti, Mn), 3 (Pb, Cl), 4 (K, Al) also explained significant proportions of the variance. Theses factors mean that the PM<sub>2.5</sub> emission sources may be considered as sources of incineration, and metals, and non-ferrous manufacturing industries.

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