Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Emission Characteristics of PM10 and PM2.5 in Thermal Power Plants Using Different Fuel Types

연료별 화력발전시설의 미세먼지(PM10 및 PM2.5) 배출특성

  • Park, Hyun-Soo (Jeollanam-do Institute of Health and Environment) ;
  • Lee, Duk-An (Jeollanam-do Institute of Health and Environment) ;
  • Yang, Jeong-Go (Jeollanam-do Institute of Health and Environment) ;
  • Jang, Seong-Guk (Jeollanam-do Institute of Health and Environment) ;
  • Kim, Hwan-Beom (Jeollanam-do Institute of Health and Environment) ;
  • Kim, Deug-Soo (Department of Environmental Engineering, Kunsan National University)
  • 박현수 (전라남도보건환경연구원) ;
  • 이덕안 (전라남도보건환경연구원) ;
  • 양정고 (전라남도보건환경연구원) ;
  • 장성국 (전라남도보건환경연구원) ;
  • 김환범 (전라남도보건환경연구원) ;
  • 김득수 (군산대학교 환경공학과)
  • Received : 2018.06.11
  • Accepted : 2018.07.24
  • Published : 2018.08.31
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Abstract

Concentrations of total particulate matter (TPM), $PM_{10}$ and $PM_{2.5}$ were measured at three different sites based on each different fuel type (solid, liquid and gas) used in thermal power plants operating in Yeosu and Gwangyang National Industrial Complexes during 2017. The highest concentrations of TPM, $PM_{10}$, and $PM_{2.5}$ were observed at the solid fuel facility, and these values were $3.356mg/Sm^3$, $2.342mg/Sm^3$ and $1.834mg/Sm^3$, respectively. The ratio of $PM_{2.5}$ to TPM was the highest value of 54.6% in solid fuel case, and the lowest was 35.7% found in liquid fuel case. As a result of analyzing 9 kinds of metal compound with respect to each particle size, the metal concentration of TPM is higher than those of $PM_{10}$ and $PM_{2.5}$ in all fuel types. Total concentrations of metal elements in TPM by fuel difference are $1.2702mg/Sm^3$ in solid fuel, 0.0603 mg/Sm3 in liquid fuel, and $0.0733mg/Sm^3$ in gas fuel, respectively. Relatively higher total metal concentration in gas fuel than in liquid fuel was found; and this could be higher Cr and Al concentrations in use of gas fuel. As a result of estimating the emission factors of each facility, in case of solid fuel, TPM emissions per electricity production were found to be 0.7080 kt/PJ, followed by liquid fuel and gas fuel. $PM_{10}$ and $PM_{2.5}$ emissions per hour of electricity production were similar to those of TPM.

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