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Experimental study of the energy efficiency of an incinerator for medical waste

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  • Bujak, J.

Abstract

The aim of this paper is to explore the flux of usable energy and the coefficient of energy efficiency of an incinerator for medical waste combustion. The incineration facility incorporates a heat recovery system. The installation consists of a loading unit, a combustion chamber, a thermoreactor chamber, and a recovery boiler. The analysis was carried out in the Oncological Hospital in Bydgoszcz (Poland). The primary fuel was comprised of medical waste, with natural gas used as a secondary fuel. The study shows that one can obtain about 660-800Â kW of usable energy from 100Â kg of medical waste. This amount corresponds to 1000-1200Â kg of saturated steam, assuming that the incinerator operates at a heat load above [phi]Â >Â 65%. The average heat flux in additional fuel used for incinerating 100Â kg of waste was 415Â kW. The coefficient of energy efficiency was set within the range of 47% and 62% depending on the incinerator load. The tests revealed that the flux of usable energy and the coefficient of energy efficiency depend on the incinerator load. In the investigated range of the heat load, this dependence is significant. When the heat load of the incinerator increases, the flux of usable energy and the coefficient of energy efficiency also increase.

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  • Bujak, J., 2009. "Experimental study of the energy efficiency of an incinerator for medical waste," Applied Energy, Elsevier, vol. 86(11), pages 2386-2393, November.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:11:p:2386-2393
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    References listed on IDEAS

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    1. Porteous, Andrew, 2001. "Energy from waste incineration -- a state of the art emissions review with an emphasis on public acceptability," Applied Energy, Elsevier, vol. 70(2), pages 157-167, October.
    2. Meneghetti, Antonella & Nardin, Gioacchino & Simeoni, Patrizia, 2002. "Waste-to-energy application in an industrial district," Applied Energy, Elsevier, vol. 72(1), pages 443-465, May.
    3. Mori, Yasuhumi & Kikegawa, Yukihiro & Uchida, Hiroyuki, 2007. "A model for detailed evaluation of fossil-energy saving by utilizing unused but possible energy-sources on a city scale," Applied Energy, Elsevier, vol. 84(9), pages 921-935, September.
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    5. Bujak, J., 2008. "Mathematical modelling of a steam boiler room to research thermal efficiency," Energy, Elsevier, vol. 33(12), pages 1779-1787.
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    Cited by:

    1. Janusz Bujak & Piotr Sitarz & Rafał Pasela, 2021. "Possibilities for Reducing CO and TOC Emissions in Thermal Waste Treatment Plants: A Case Study," Energies, MDPI, vol. 14(10), pages 1-11, May.
    2. Georgios Giakoumakis & Dorothea Politi & Dimitrios Sidiras, 2021. "Medical Waste Treatment Technologies for Energy, Fuels, and Materials Production: A Review," Energies, MDPI, vol. 14(23), pages 1-30, December.
    3. Bujak, Janusz Wojciech, 2015. "Production of waste energy and heat in hospital facilities," Energy, Elsevier, vol. 91(C), pages 350-362.
    4. Bujak, Janusz Wojciech, 2015. "Heat recovery from thermal treatment of medical waste," Energy, Elsevier, vol. 90(P2), pages 1721-1732.
    5. Zhao, Xiang & You, Fengqi, 2021. "Waste respirator processing system for public health protection and climate change mitigation under COVID-19 pandemic: Novel process design and energy, environmental, and techno-economic perspectives," Applied Energy, Elsevier, vol. 283(C).
    6. Bujak, Janusz Wojciech, 2015. "New insights into waste management – Meat industry," Renewable Energy, Elsevier, vol. 83(C), pages 1174-1186.
    7. Bujak, Janusz Wojciech, 2015. "Thermal utilization (treatment) of plastic waste," Energy, Elsevier, vol. 90(P2), pages 1468-1477.

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