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    Dataset on the carbon dioxide, methane and nitrogen high-pressure sorption properties of South African bituminous coals

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    Date
    2019
    Author
    Okolo, Gregory N.
    Everson, Raymond C.
    Neomagus, Hein W.J.P.
    Bunt, John R.
    Sakurovs, Richard
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    Abstract
    The dataset presented in this article supplements the result and information published in the report “The carbon dioxide, methane and nitrogen high-pressure sorption properties of South African bituminous coals” (Okolo et al., 2019). Four run of mine coal samples from selected underground coal mines from the Highveld, Witbank, and Tshipise-Pafuri coalfields of South Africa were used for the study. The CO2, CH4, and N2 sorption data were acquired from an in-house built high-pressure gravimetric sorption system (HPGSS) at the CSIRO Energy, North Ryde, Australia; at an isothermal temperature of 55 °C, in the pressure range: 0.1–16 MPa. The resulting excess sorption isotherm data were fitted to the modified Dubinin-Radushkevich isotherm model (M-DR) and a new Dubinin-Radushkevich – Henry law hybrid isotherm model (DR-HH). The dataset provided in this article, apart from being informative will be useful for comparison with available and future data and for testing other sorption isotherm models developed by other investigators in the area of CO2 storage in geological media, especially coal seams
    URI
    http://hdl.handle.net/10394/33251
    https://www.sciencedirect.com/science/article/pii/S235234091930602X
    https://doi.org/10.1016/j.dib.2019.104248
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