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Underground Coal Gasification: Rates of Post Processing Gas Transport

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    0434102 - ÚCHP 2015 RIV SK eng J - Journal Article
    Soukup, Karel - Hejtmánek, Vladimír - Stanczyk, K. - Šolcová, Olga
    Underground Coal Gasification: Rates of Post Processing Gas Transport.
    Chemical Papers. Roč. 68, č. 12 (2014), s. 1707-1715. ISSN 0366-6352
    R&D Projects: GA MŠk 7C12017
    Grant - others:RFCS(XE) RFCR-CT-2011-00002
    Institutional support: RVO:67985858
    Keywords : underground coal gasification * gas transport * textural properties
    Subject RIV: CI - Industrial Chemistry, Chemical Engineering
    Impact factor: 1.468, year: 2014

    Two ex-situ and one in-situ semi-pilot plant UCG experiments in the experimental mine Barbara were performed with hard coal and lignite samples. To evaluate the influence of the UCG process on the textural properties of surrounding strata and coals, samples from various locations of the coal seam and the stratum samples before and after the UCG process were collected. Mercury porosimetry, helium pycnometry, and physical adsorption of nitrogen were used for the determination of textural properties of samples. Permeation gas transport was modelled based on the knowledge of the real structure characteristics of the stratum samples by the Mean Transport-Pore Model (MTPM). Influence of the individual texture and transport parameters on the post processing gas transport through porous strata with respect to the variability of their possible values was also evaluated.
    Permanent Link: http://hdl.handle.net/11104/0241200
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