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The degree of reduction problem in structural-chemical classification of coals

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Abstract

A parameter (B, %) that characterizes the extent of chemical reduction of the carbon skeleton of arbitrary organic entities containing C, H, N, O, and S atoms is proposed for quantitative description of coals of different genetic types in terms of the degree of reduction in the framework of the structural-chemical classification of fossil fuels. According to the values of B, the groups of coal macerals are arranged in the order: liptinite L > vitrinite Vt > inertinite I; of the Vt group macerals, the order is collinite Vtc (VtB, desmocollinite) > telinite Vtt (VtA, telocollinite). The degree of reduction of equally metamorphized coals of similar petrographic compositions is determined by the ratio between vitrinite macerals with different degrees of reduction.

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Authors and Affiliations

  1. FGUP Institute for Fossil Fuels, Leninskii pr. 29, Moscow, 119991, Russia

    A. M. Gyul’maliev & S. G. Gagarin

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  1. A. M. Gyul’maliev
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  2. S. G. Gagarin
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Original Russian Text © A.M. Gyul’maliev, S.G. Gagarin, 2007, published in Khimiya Tverdogo Topliva, 2007, No. 2, pp. 20–26.

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Gyul’maliev, A.M., Gagarin, S.G. The degree of reduction problem in structural-chemical classification of coals. Soil Fuel Chem. 41, 79–84 (2007). https://doi.org/10.3103/S0361521907020048

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  • DOI: https://doi.org/10.3103/S0361521907020048

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