Abstract
Mineral Resources EngineeringVol. 09, No. 04, pp. 465-474 (2000) No AccessANALYSIS OF POTENTIAL ERRORS IN DETERMINATION OF COAL MINE ANNUAL METHANE EMISSIONSJAN M. MUTMANSKY and YANBEI WANGJAN M. MUTMANSKYThe Pennsylvania State University, Department of Energy and Geo-Environmental Engineering, University Park, PA 16802, USA Search for more papers by this author and YANBEI WANGThe Pennsylvania State University, Department of Energy and Geo-Environmental Engineering, University Park, PA 16802, USA Search for more papers by this author https://doi.org/10.1142/S095060980000038XCited by:3 PreviousNext AboutSectionsPDF/EPUB ToolsAdd to favoritesDownload CitationsTrack CitationsRecommend to Library ShareShare onFacebookTwitterLinked InRedditEmail AbstractThe measurement of methane content and air quantity in each mine return airway is performed periodically in all underground coal mines in the United States. These periodic measurements are then combined to estimate the annual emission of methane into the atmosphere. A statistical study of some Appalachian underground coal mines with moderate to high levels of methane was conducted to determine the potential errors in annual emissions calculations.This paper analyses the accuracy and precision of annual methane emission calculations by assessment of each set of measurements used to produce an annual estimate. This includes analysis of the methane content determinations, the air quantity measurements, and the calculations to determine the annual emission. The final combination of measured values is tested by simulating annual emission calculations using the Monte Carlo method. Finally, the effect of each of these three variables on the annual emission values is evaluated and conclusions are made. FiguresReferencesRelatedDetailsCited By 3Closed coal mine shaft as a source of carbon dioxide emissionsPaweł Wrona, Zenon Różański, Grzegorz Pach, Tomasz Suponik and Marcin Popczyk8 August 2016 | Environmental Earth Sciences, Vol. 75, No. 15A new approach to estimate fugitive methane emissions from coal mining in ChinaYiwen Ju, Yue Sun, Zhanyou Sa, Jienan Pan and Jilin Wang et al.1 Feb 2016 | Science of The Total Environment, Vol. 543Fugitive greenhouse gas emissions in ventilation air from Australian underground coal minesStuart Day, Robyn Fry and Brendan Halliburton1 Sep 2012 | Greenhouse Gas Measurement and Management, Vol. 2, No. 2-3 Recommended Vol. 09, No. 04 Metrics History PDF download
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