Integrated Circulating Fluidized Bed Gasification System for Sustainable Municipal Solid Waste Management: Energy Production and Heat Recovery

Jānis Krūmiņš () and Māris Kļaviņš
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Jānis Krūmiņš: Department of Environmental Science, Faculty of Geography and Earth Sciences, University of Latvia, Raiņa Blvd. 19, LV-1586 Riga, Latvia
Māris Kļaviņš: Department of Environmental Science, Faculty of Geography and Earth Sciences, University of Latvia, Raiņa Blvd. 19, LV-1586 Riga, Latvia

Energies, 2023, vol. 16, issue 13, 1-23

Abstract: The management of municipal solid waste presents significant challenges globally. This study investigates the potential of an integrated waste-to-energy system based on circulating fluidized bed gasification technology to address these challenges, while also contributing to renewable energy generation. Using a MATLAB-based simulation model, the study determines the optimal operational parameters for various units within the system, including waste processing, gasification, ash handling, syngas treatment, and emission control. The proposed waste-to-energy system demonstrates a remarkable energy efficiency of 70% under these optimal conditions, notably outperforming conventional waste-to-energy technologies. Sensitivity and uncertainty analyses reveal that waste composition, gasification temperature, and the oxygen-to-solid recovered fuel ratio are key determinants of the system’s output and performance. The system’s performance remained robust despite variations in these parameters, underscoring its potential as a reliable solution for waste management and energy generation. While the findings are promising, future research should focus on comprehensive lifecycle assessment and consider regional factors for practical implementation. This study contributes to the ongoing development of efficient waste-to-energy systems and highlights their potential in promising sustainable waste management and renewable energy production.

Keywords: waste-to-energy; municipal solid waste; circulating fluidized bed gasification; solid recovered fuel; syngas; energy efficiency; sustainable waste management; renewable energy; MATLAB simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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