Structural characterisation of Middle Jurassic, high-volatile bituminous Walloon Subgroup coals and correlation with the coal seam gas content

The structure of a suite of high-volatile, bituminous Surat Basin, Queensland coals has been investigated by a combination of analytical probes. These included elemental analyses, pyrolysis-gas chromatography-mass spectroscopy and Fourier transform infrared spectroscopy, together with a study of the...

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Published inFuel (Guildford) Vol. 89; no. 11; pp. 3241 - 3249
Main Authors Chaffee, Alan L., Lay, Galinda, Marshall, Marc, Jackson, W. Roy, Fei, Yi, Verheyen, T. Vincent, Cassidy, Peter J., Scott, Steven G.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.11.2010
Subjects
Bituminous
Bituminous coal
Chromatography
Coal
Coal seam gas
Correlation
Hydrogenation
Liquefaction
Natural gas
Sampling
Seams
Solvent separation
Solvents
Australia, Queensland
Coal seam gas
Liquefaction
Chromatography
Solvent separation
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Summary:The structure of a suite of high-volatile, bituminous Surat Basin, Queensland coals has been investigated by a combination of analytical probes. These included elemental analyses, pyrolysis-gas chromatography-mass spectroscopy and Fourier transform infrared spectroscopy, together with a study of their liquefaction products in both tetralin and solvent free-tin catalysed hydrogenations. Samples were gathered across a 300 m depth interval intersected by the sampling well. Most techniques revealed clear but subtle differences in structure as a function of depth. The oils produced by solvent free-tin catalysed hydrogenation, however, showed very distinct dependence with depth and the waxy content, as indicated by 1H-NMR, could be correlated with the coal seam gas content.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2010.06.027