About: Hydrophobicity of Black Coal from Ostrava-Karviná Coal District (Czech Republic)     Goto   Sponge   NotDistinct   Permalink

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  • Hydrophobic/hydrophilic properties of coal influence significantly value of moisture which represents very important parameter from the point of utilization of coal in energy production. Hydrofobicity were studied by means of contact angle measurements. It was proved that for black coal the hydrofilic properties increase with coalification. On the contrary, this relationship was not found for coals with lower degree of coalification. The value of contact angle is influenced by content of volatile combustibles and content of ash. The dependence of contact angle on the depth of mining was also proved. The value of contact angle decreases with depth.
  • Hydrophobic/hydrophilic properties of coal influence significantly value of moisture which represents very important parameter from the point of utilization of coal in energy production. Hydrofobicity were studied by means of contact angle measurements. It was proved that for black coal the hydrofilic properties increase with coalification. On the contrary, this relationship was not found for coals with lower degree of coalification. The value of contact angle is influenced by content of volatile combustibles and content of ash. The dependence of contact angle on the depth of mining was also proved. The value of contact angle decreases with depth. (en)
Title
  • Hydrophobicity of Black Coal from Ostrava-Karviná Coal District (Czech Republic)
  • Hydrophobicity of Black Coal from Ostrava-Karviná Coal District (Czech Republic) (en)
skos:prefLabel
  • Hydrophobicity of Black Coal from Ostrava-Karviná Coal District (Czech Republic)
  • Hydrophobicity of Black Coal from Ostrava-Karviná Coal District (Czech Republic) (en)
skos:notation
  • RIV/61989100:27350/13:86086202!RIV14-MSM-27350___
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  • P(ED2.1.00/03.0082)
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  • 1
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  • 78503
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  • RIV/61989100:27350/13:86086202
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  • vitrinite; degree of coalification; coal; water absorption; Contact angle (en)
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  • PL - Polská republika
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  • [1DFCE527AE2D]
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  • Inžynieria Mineralna
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  • 31
http://linked.open...iv/tvurceVysledku
  • Duraj, Miloš
  • Kovaľ, Lukáš
  • Raclavská, Helena
  • Škrobánková, Hana
  • Číhalová, Šárka
issn
  • 1640-4920
number of pages
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  • 27350
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