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Relation between coal properties and the change in hydrogen content on coalification

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Abstract

Coalification is divided into three periods: with carbon contents of 75–87(88)%, 87(88)–93%, and 93–95% and corresponding hydrogen contents of 5.25 ± 0.25%, 5–3%, and <3%. The first period corresponds to Donetsk coal of ranks from D to K; the second to ranks K, OS, and T; and the third to T coal and the adjacent low-metamorphic anthracites. The maximum moisture content, the yield of volatiles, the clinkering properties, and the heat of combustion are plotted as a function of the hydrogen content in each period. In coal beds corresponding to the first period, there is no dehydrogenation, and therefore hydrogen in the organic mass cannot be the source of the methane present.

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Authors and Affiliations

  1. Kharkov, Ukraine

    M. L. Ulanovskii

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  1. M. L. Ulanovskii
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Correspondence to M. L. Ulanovskii.

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Original Russian Text © M.L. Ulanovskii, 2011, published in Koks i Khimiya, 2011, No. 2, pp. 2–9.

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Ulanovskii, M.L. Relation between coal properties and the change in hydrogen content on coalification. Coke Chem. 54, 33–39 (2011). https://doi.org/10.3103/S1068364X11020074

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  • DOI: https://doi.org/10.3103/S1068364X11020074

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