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Possibilities for Reducing CO and TOC Emissions in Thermal Waste Treatment Plants: A Case Study

Author

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  • Janusz Bujak

    (Faculty of Environmental Engineering, University of Science and Technology in Bydgoszcz, Kaliskiego 7, 85-796 Bydgoszcz, Poland)

  • Piotr Sitarz

    (PPM PROMONT Bujak Sp. z o.o.—Sp. K., Bydgoszcz, Jagiellońska 35, 85-097 Bydgoszcz, Poland)

  • Rafał Pasela

    (Faculty of Environmental Engineering, University of Science and Technology in Bydgoszcz, Kaliskiego 7, 85-796 Bydgoszcz, Poland)

Abstract

The technology of waste-management thermal processing may pose a threat to the natural environment through the emission of harmful substances, such as CO, NOx, SO 2 , HCl, HF, total organic carbon (TOC) and dust, as well as dioxins and furans. Due to the advantages of thermal waste treatment, including the small volume of solid residue produced and possible thermal energy recovery, thermal waste treatment is widely applied. Continuous research is necessary to develop methods for reducing the risk of harmful substances being produced and methods for the effective removal of pollutants resulting from flue gases. This paper presents an analysis of the results and conditions of the experimental redesign of a thermal industrial waste (polypropylene) treatment plant. The purpose of the redesign was to improve the quality of gasification and afterburning processes taking place in the combustion and afterburner chambers (through the installation of an additional section), thus resulting in a reduction in the concentrations of CO and total organic carbon (TOC) in flue gases. The research concerned a facility implementing the combustion process on an industrial scale. The experiment led to a reduction in the average concentrations of carbon monoxide from 16.58 mg/m 3 to 3.23 mg/m 3 and of volatile organic compounds from 2.20 mg/m 3 to 0.99 mg/m 3 . At the same time, no deterioration was observed in any of the remaining technological parameters of the plant, such as waste combustion performance and the energy efficiency of the thermal energy recovery system.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2901-:d:556501
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    References listed on IDEAS

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    1. Janusz Bujak & Piotr Sitarz & Magdalena Nakielska, 2020. "Multidimensional Analysis of Meat and Bone Meal (MBM) Incineration Process," Energies, MDPI, vol. 13(21), pages 1-9, November.
    2. 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.
    3. Bujak, Janusz Wojciech, 2015. "New insights into waste management – Meat industry," Renewable Energy, Elsevier, vol. 83(C), pages 1174-1186.
    4. Bujak, Janusz Wojciech, 2015. "Production of waste energy and heat in hospital facilities," Energy, Elsevier, vol. 91(C), pages 350-362.
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    1. Janusz Bujak & Piotr Sitarz & Krzysztof Bujak & Sebastian Majkowski & Rafał Pasela, 2022. "Estimation Complete Combustion Coefficient in Rotary Kilns," Energies, MDPI, vol. 15(3), pages 1-11, February.

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