Analysis of the application of methane-bearing capacity test methods in the conditions of Polish mining

• Autorzy: Karbownik Marcin

Identyfikatory

DOI

10.46873/2300-3960.1365

• Języki publikacji: EN

Abstrakty

EN

The methane hazard is one of the natural hazards occurring in hard coal mining. The content of natural methane in hard coal seams, the so-called methane-bearing capacity, is one of the key parameters that allow for proper assessment of the methane hazard and the state of the threat of gas and rock outbursts. For safety purposes, there is a constant need to improve the methods for the determination of this parameter. In the conditions of Polish mining, the method used for methane-bearing capacity determination is the direct drill cuttings method. This paper contains a comparative study presenting three different methods of methane-bearing capacity determination. Tests were conducted using two direct methods (the drill cuttings method and the United States Bureau of Mines (USBM) method), and the indirect method based on the desorption intensity index. On the basis of the obtained test results, it was found that the results obtained with the USBM method were slightly higher than those obtained with the direct drill cuttings method. Gas losses, an important element affecting the final value of the assay, were also analysed. This comparative study will evaluate the validity and applicability of the above methods under specific conditions in hard coal mining.

Słowa kluczowe

EN

hard coal; methane hazard; methane-bearing capacity; mining

PL

węgiel kamienny; zagrożenie metanowe; metanowość; górnictwo

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2022
• Tom: Vol. 21, iss. 4
• Strony: 309--318
• Opis fizyczny: Bibliogr. 39 poz.

Twórcy

autor

Karbownik Marcin

• Central Mining Institute, Department of Mining Aerology, Plac Gwarków 1, 40-166 Katowice, Poland

• https://orcid.org/0000-0001-5858-5345

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).