The effect of air preheating on the combustion of solid fuels on a grate

L.B.M. Van Kessel*, A.R.J. Arendsen, P.D.M. de Boer-Meulman, G. Brem

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    25 Citations (Scopus)


    Combustion of solid fuels on a grate is widely used. Mostly, the combustion behaviour is explained by the classical theory of Rogers. However, that theory cannot explain the combustion process when primary air preheating is applied. Solid fuel grate combustion is studied by experiments in a pot furnace. Experiments with and without primary air heating are described. These are compared with conclusions learnt from real plant experiments. It was found that the pot furnace experiments have a limited value in explaining the combustion behaviour of solid fuels on a grate. In order to be able to explain the results from practice an quantitative extension of Rogers' theory for the case with air preheating is presented.

    Original languageEnglish
    Pages (from-to)1123-1131
    Number of pages9
    Issue number9
    Early online date13 Dec 2003
    Publication statusPublished - Jun 2004


    • Air preheating
    • Grate combustion
    • Municipal solid waste
    • Solid fuels


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