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Critical Elements in Incinerator Bottom Ash from Solid Waste Thermal Treatment Plant

Author

Listed:
  • Monika Chuchro

    (Department of Geoinformatics and Applied Computer Science, Faculty of Geology, Geophysics and Environment Protection, AGH University of Krakow, 30-059 Krakow, Poland)

  • Barbara Bielowicz

    (Department of Geology of Mineral Deposits and Mining Geology, Faculty of Geology, Geophysics and Environment Protection, AGH University of Krakow, 30-059 Krakow, Poland)

Abstract

This study presents a comprehensive analysis of the chemical composition of bottom ash samples generated during municipal waste incineration. A total of 52 samples were collected and subjected to statistical analysis for 17 elements and 2 element sums using techniques such as correlation analysis and one-way ANOVA. The results confirm a high degree of heterogeneity in the elemental content, reflecting the variability of waste streams and combustion processes. Strong correlations were identified between certain elements, including Cu-Zn, Co-Ni, and HREE-LREE, indicating common sources and similar geochemical properties. The analysis also revealed significant seasonal variability in the content of Ba and Sr, with lower average values observed during the spring season and greater variability noted during summer and winter. Although Al and HREE did not reach classical significance levels, their distributions suggest possible seasonal differentiation. These findings underscore the need for long-term monitoring and seasonal analysis of incineration bottom ash composition to optimize resource recovery processes and assess environmental risk. The integration of chemical data with operational data on waste composition and combustion parameters may contribute to a better understanding of the variability of individual elements, ultimately supporting the development of effective strategies for ash management and element recovery.

Suggested Citation

  • Monika Chuchro & Barbara Bielowicz, 2025. "Critical Elements in Incinerator Bottom Ash from Solid Waste Thermal Treatment Plant," Energies, MDPI, vol. 18(15), pages 1-20, August.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:15:p:4186-:d:1719294
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    References listed on IDEAS

    as
    1. Ababo Workineh Tadesse & Tekleweini Gereslassie & Qiang Xu & Xiaojun Tang & Jun Wang, 2018. "Concentrations, Distribution, Sources and Ecological Risk Assessment of Trace Elements in Soils from Wuhan, Central China," IJERPH, MDPI, vol. 15(12), pages 1-19, December.
    2. Haifang He & Haicheng Wei & Yong Wang & Lingqing Wang & Zhanjie Qin & Qingkuan Li & Fashou Shan & Qishun Fan & Yongsheng Du, 2022. "Geochemical and Statistical Analyses of Trace Elements in Lake Sediments from Qaidam Basin, Qinghai-Tibet Plateau: Distribution Characteristics and Source Apportionment," IJERPH, MDPI, vol. 19(4), pages 1-15, February.
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