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Combined Heat and Power from Municipal Solid Waste: Current Status and Issues in South Korea

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  • Changkook Ryu

    (School of Mechanical Engineering, Sungkyunkwan University, Suwon 440-746, Korea)

  • Donghoon Shin

    (School of Mechanical Systems Engineering, Kookmin University, Seoul 136-702, Korea)

Abstract

Municipal solid waste (MSW) is an important energy resource for combined heat and power (CHP) production. This study summarized an overview of CHP by MSW to energy (WtE) plants in South Korea and discussed the issues related to energy efficiency improvement. Given the dominant housing culture of apartment living in South Korea, the primary energy output of WtE plants has been for district heating. In 2010, approximately half of the 51 large WtE plants were CHP, while the rest produced heat. Power generation in the WtE CHP plants was estimated to be only 3.65% of the thermal input, while heat production was 60.79%. The R1 efficiency when compared to that in Europe was similar for the CHP plants and higher for heat-only plants. Improving power generation efficiency is required for new power plants producing steam at pressures higher than the current level of 20–30 bar. Over ten of the existing plants needed to increase their energy efficiency by installing new equipment such as steam turbines for excess steam. Finally, transboundary centralization of WtE plants between neighboring local authorities is essential for heat utilization since many existing small-scale plants (<50 t/day capacity) do not recover heat.

Suggested Citation

  • Changkook Ryu & Donghoon Shin, 2012. "Combined Heat and Power from Municipal Solid Waste: Current Status and Issues in South Korea," Energies, MDPI, vol. 6(1), pages 1-13, December.
    • Handle: RePEc:gam:jeners:v:6:y:2012:i:1:p:45-57:d:22506
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    References listed on IDEAS

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    1. Tabasová, Andrea & Kropáč, Jiří & Kermes, Vít & Nemet, Andreja & Stehlík, Petr, 2012. "Waste-to-energy technologies: Impact on environment," Energy, Elsevier, vol. 44(1), pages 146-155.
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    2. Jeong-Seon Shin & Dowon Shun & Churl-Hee Cho & Dal-Hee Bae, 2023. "A Study on the Co-Combustion Characteristics of Coal and Bio-SRF in CFBC," Energies, MDPI, vol. 16(4), pages 1-13, February.
    3. Islam, K.M. Nazmul, 2018. "Municipal solid waste to energy generation: An approach for enhancing climate co-benefits in the urban areas of Bangladesh," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 2472-2486.
    4. Ana Ramos & Carlos Afonso Teixeira & Abel Rouboa, 2018. "Environmental Analysis of Waste-to-Energy—A Portuguese Case Study," Energies, MDPI, vol. 11(3), pages 1-26, March.
    5. Ana Ramos & Carlos Afonso Teixeira & Abel Rouboa, 2019. "Environmental Assessment of Municipal Solid Waste by Two-Stage Plasma Gasification," Energies, MDPI, vol. 12(1), pages 1-16, January.
    6. Santiago Alzate & Bonie Restrepo-Cuestas & Álvaro Jaramillo-Duque, 2019. "Municipal Solid Waste as a Source of Electric Power Generation in Colombia: A Techno-Economic Evaluation under Different Scenarios," Resources, MDPI, vol. 8(1), pages 1-16, March.
    7. Jong-Seon Shin & Dowon Shun & Churl-Hee Cho & Yujin Choi & Dal-Hee Bae, 2022. "The Characteristics of the After-Combustion in a Commercial CFBC Boiler Using the Solid Waste Fuel," Energies, MDPI, vol. 15(15), pages 1-15, July.

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