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Determination of the interaction parameter χ in the Flory-Rehner equation for coal swelling processes

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Abstract

The correction factor χ of the Flory-Rehner equation, which takes into account the influence of the specific interaction of components on the degree of swelling, depends on the nature of a penetrant. It was found that the relationship between the value of χ and the physicochemical properties of solvents could be established by means of linear multiparameter equations. In the case of Rawhide coal, the cohesion energy density and the capability of penetrant for specific salvation are the determining factors.

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Authors and Affiliations

  1. Department of the Physical Chemistry of Fossil Fuels, Litvinenko Institute of Physical Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Lviv, Ukraine

    R. G. Makitra & G. G. Midyana

  2. Institute of the Geology and Geochemistry of Fossil Fuels, National Academy of Sciences of Ukraine, Lviv, Ukraine

    E. Ya. Pal’chikova

Authors
  1. R. G. Makitra
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  2. G. G. Midyana
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  3. E. Ya. Pal’chikova
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Corresponding author

Correspondence to G. G. Midyana.

Additional information

Original Russian Text © R.G. Makitra, G.G. Midyana, E.Ya. Pal’chikova, 2011, published in Khimiya Tverdogo Topliva, 2011, No. 6, pp. 74–77.

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Makitra, R.G., Midyana, G.G. & Pal’chikova, E.Y. Determination of the interaction parameter χ in the Flory-Rehner equation for coal swelling processes. Solid Fuel Chem. 45, 430–433 (2011). https://doi.org/10.3103/S0361521911060061

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  • DOI: https://doi.org/10.3103/S0361521911060061

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