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Journal of the Korean Society for Environmental Analysis 2018;21(3):172-180.
Distribution of Hazardous Heavy Metal in TSP, PM10 and PM2.5 Emitted from Coal-fired Power Plants
석탄화력발전시설에서 배출되는 TSP, PM10, PM2.5의 유해중금속 분포
송금주1, 문영훈1, 주종호1, 이아영1, 이재복2
1포항공과대학교
2포항공과대학교 환경연구소
Abstract
In this study, the distributions of hazardous heavy metals (HHMs) in TSP, PM10, PM2.5 were investigated. In the coal used in the tested plant, that Zn and Cu were most common HHMs, and Cd was rarest. In TSPs from the SCR inlet, FGD inlet and stack, the content of Zn in the coal was the highest, but the distributions of other HHMs were different. At the SCR inlet, the distributions of HHMs in PM10 and TSP differed, and concentration of HHMs in PM10 and TSP was increased. At the FGD inlet and stack the HHM distributions in PM10 and TSP were the same. At the SCR inlet, the HHM distribution in PM2.5 differed from those in TSP and PM10. At the SCR inlet, the HHM concentration was higher in PM2.5 than in TSP and PM10. At the FGD inlet and stack the distribution of HHMs in PM2.5 was very different from those in TSP and PM10 at FGD.
Key Words: TSP, PM10, PM2.5, Hazardous heavy metals, Coal-fired power plant
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