M. A. Thomson, W. Kemp, W. Steedman

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3 Citations (Scopus)


Coal asphaltenes and their behaviour under typical coal liquefaction conditions have attracted considerable attention in recent years because of both their proposed role as intermediates in liquefaction processes and the potential problem presented by incomplete conversion of asphaltenes. The present work extends the authors' previous studies on asphaltene fractions from coal extracts to permit comparisons to be drawn between two asphaltenes, each derived from a hydrogenated-anthracene-oil extract of bituminous coal, but having significantly different carbon and oxygen contents. The report is presented under headings: experimental; pyrolysis and hydropyrolysis procedure; fractionation of products; analytical procedures; pyrolysis experiments; hydropyrolysis experiments; product analysis (NMR spectroscopy, differential pulse voltammetry, size-exclusion chromatography).

Original languageEnglish
Pages (from-to)202-209
Number of pages8
JournalPreprints of Papers - American Chemical Society, Division of Fuel Chemistry
Issue number6
Publication statusPublished - 1984
EventThree-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology - Philadelphia, PA, USA
Duration: 23 Oct 199525 Oct 1995


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