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Ammonia Emission Factors and Uncertainties of Coke Oven Gases in Iron and Steel Industries

Author

Listed:
  • Seongmin Kang

    (Climate Change and Environment Research Center, Sejong University, Seoul 05006, Korea)

  • Yoon-Jung Hong

    (Climate Change and Environment Research Center, Sejong University, Seoul 05006, Korea)

  • Seong-Dong Kim

    (Department of Cooperate Course for Climate Change, Sejong University, Seoul 05006, Korea)

  • Eui-Chan Jeon

    (Department of Climate and Environment, Sejong University, Seoul 05006, Korea)

Abstract

In this study, uncertainties related to NH 3 concentration, emission factor, and emission factor estimation in the exhaust gas of the steel sintering furnace using COG (coke oven gas) among the by-product gas generated in steel production was estimated to identify the missing source. By measuring the NH 3 concentration in the exhaust gas of steel sintering furnace using COG, a concentration between 0.02 and 0.12 ppm was found, with an average concentration of 0.06 ppm, confirming the emissions of NH 3 . Using this measurement of the NH 3 concentration, an NH 3 emission factor of 0.0061 kg NH 3 /ton was derived. The uncertainty of the developed NH 3 emission factor of the sintering furnace using COG was analyzed using a Monte Carlo simulation. Consequently, the uncertainty range of NH 3 emission factor of the sintering furnace using COG was derived to be −11.4% to +12.89% at the 95% confidence level. According to the results of this study, NH 3 emissions occur from the use of COG, yielding values higher than the NH 3 emission factor resulting from the use of LNG(liquefied natural gas) in combustion facilities. It should be recognized that it is a missing emission source and the corresponding emission should be calculated.

Suggested Citation

  • Seongmin Kang & Yoon-Jung Hong & Seong-Dong Kim & Eui-Chan Jeon, 2020. "Ammonia Emission Factors and Uncertainties of Coke Oven Gases in Iron and Steel Industries," Sustainability, MDPI, vol. 12(9), pages 1-8, April.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:9:p:3518-:d:350328
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    Citations

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    Cited by:

    1. Seongmin Kang & Goeun Kim & Joonyoung Roh & Eui-chan Jeon, 2022. "Ammonia Emissions from NPK Fertilizer Production Plants: Emission Characteristics and Emission Factor Estimation," IJERPH, MDPI, vol. 19(11), pages 1-11, May.
    2. Seongmin Kang & Seong-Dong Kim & Eui-Chan Jeon, 2020. "Ammonia Emission Sources Characteristics and Emission Factor Uncertainty at Liquefied Natural Gas Power Plants," IJERPH, MDPI, vol. 17(11), pages 1-10, May.
    3. Seongmin Kang & Jiyun Woo & Eui-Chan Jeon, 2021. "Mixed Use of Bio-Oil in Oil Power Plants: Should It Be Considered When Developing NH 3 Emission Factors?," IJERPH, MDPI, vol. 18(8), pages 1-7, April.

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