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A Study on Applying Biomass Fraction for Greenhouse Gases Emission Estimation of a Sewage Sludge Incinerator in Korea: A Case Study

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  • Seongmin Kang

    (Department of Environment & Energy, Sejong University, Seoul 05006, Korea)

  • Seungjin Kim

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

  • Jeongwoo Lee

    (Department of Earth and Environmental Sciences, Sejong University, Seoul 05006, Korea)

  • Youngjae Jeon

    (Department of Environment & Energy, Sejong University, Seoul 05006, Korea)

  • Ki-Hyun Kim

    (Department of Civil & Environmental Engineering at Hanyang University, Seoul 04763, Korea)

  • Eui-chan Jeon

    (Department of Environment & Energy, Sejong University, Seoul 05006, Korea)

Abstract

According to the IPCC (Intergovernmental Panel on Climate Change) guidelines, when calculating CO 2 emissions, CO 2 emissions from biomass should be excluded from the total amount of CO 2 emissions and should be separately reported due to their “carbon neutrality”. Sewage sludge is one of the representative biomass fuels. It is mixed with fossil fuels to achieve greenhouse gas reduction or is used by itself as a fuel to replace fossil fuels. According to the results of this study, biomass fractions of both the sewage sludge and the sewage sludge incineration exhaust gases did not amount to 100%. At present, in many countries (South Korea, Japan, and Germany), when calculating greenhouse gas emissions from sewage sludge incinerators, all CO 2 emissions from sewage sludge are judged to be biomass and only the greenhouse gas emissions that correspond to non-CO 2 gases are calculated as greenhouse gas emissions. However, since, according our results, the content of sewage sludge is not 100% biomass, if CO 2 emissions are excluded according to the existing greenhouse gas emission calculation method, the amount of emissions may be underestimated. Therefore, to accurately calculate greenhouse gas emissions from a sewage sludge incinerator, CO 2 emissions should be calculated in consideration of the fossil carbon fractions of sewage sludge.

Suggested Citation

  • Seongmin Kang & Seungjin Kim & Jeongwoo Lee & Youngjae Jeon & Ki-Hyun Kim & Eui-chan Jeon, 2017. "A Study on Applying Biomass Fraction for Greenhouse Gases Emission Estimation of a Sewage Sludge Incinerator in Korea: A Case Study," Sustainability, MDPI, vol. 9(4), pages 1-7, April.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:4:p:557-:d:95082
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    Citations

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    Cited by:

    1. Seongmin Kang & Sungheum Cho & Ki-Hyun Kim & Eui-chan Jeon, 2019. "Comparison of GHG Emission Methods Calculated by Applying Biomass Fraction at Sewage Sludge Incinerators in Korea," Sustainability, MDPI, vol. 11(12), pages 1-10, June.
    2. Seongmin Kang & Joonyoung Roh & Eui-chan Jeon, 2020. "Seasonal Variation Analysis Method of GHG at Municipal Solid Waste Incinerator," Sustainability, MDPI, vol. 12(18), pages 1-10, September.
    3. Yawen Ye & Azizi Selemani Msuya & Xiaohu Dai & Xiaoli Chai & Boran Wu, 2025. "Improving Anaerobic Digestion Process of Sewage Sludge in Terms of Energy Efficiency and Carbon Emission: Pre- or Post-Thermal Hydrolysis?," Sustainability, MDPI, vol. 17(13), pages 1-13, July.
    4. Karolina Wojtacha-Rychter & Piotr Kucharski & Adam Smolinski, 2021. "Conventional and Alternative Sources of Thermal Energy in the Production of Cement—An Impact on CO 2 Emission," Energies, MDPI, vol. 14(6), pages 1-15, March.
    5. Seongmin Kang & Changsang Cho & Ki-Hyun Kim & Eui-chan Jeon, 2018. "Fossil Carbon Fraction and Measuring Cycle for Sewage Sludge Waste Incineration," Sustainability, MDPI, vol. 10(8), pages 1-8, August.
    6. Quetzalli Aguilar-Virgen & Paul Taboada-González & Eduardo Baltierra-Trejo & Liliana Marquez-Benavides, 2017. "Cutting GHG Emissions at Student Housing in Central Mexico through Solid Waste Management," Sustainability, MDPI, vol. 9(8), pages 1-12, August.

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