Determination of fossil carbon content in Swedish waste fuel by four different methods

FC Jones, EW Blomqvist, M Bisaillon, Daniel Kristoffer Lindberg, Mikko Hupa

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    17 Citations (Scopus)

    Abstract

    This study aimed to determine the content of fossil carbon in waste combusted in Sweden by using four different methods at seven geographically spread combustion plants. In total, the measurement campaign included 42 solid samples, 21 flue gas samples, 3 sorting analyses and 2 investigations using the balance method. The fossil carbon content in the solid samples and in the flue gas samples was determined using C-14-analysis. From the analyses it was concluded that about a third of the carbon in mixed Swedish waste (municipal solid waste and industrial waste collected at Swedish industry sites) is fossil. The two other methods (the balance method and calculations from sorting analyses), based on assumptions and calculations, gave similar results in the plants in which they were used. Furthermore, the results indicate that the difference between samples containing as much as 80% industrial waste and samples consisting of solely municipal solid waste was not as large as expected. Besides investigating the fossil content of the waste, the project was also established to investigate the usability of various methods. However, it is difficult to directly compare the different methods used in this project because besides the estimation of emitted fossil carbon the methods provide other information, which is valuable to the plant owner. Therefore, the choice of method can also be controlled by factors other than direct determination of the fossil fuel emissions when considering implementation in the combustion plants.
    Original languageUndefined/Unknown
    Pages (from-to)1052–1061
    Number of pages10
    JournalWaste Management and Research
    Volume31
    Issue number10
    DOIs
    Publication statusPublished - 2013
    MoE publication typeA1 Journal article-refereed

    Keywords

    • fossil CO2-emission
    • radiocarbon method
    • solid waste
    • Waste combustion
    • Waste-to-Energy plant

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