Abstract
Synfuel fractions boiling in the range IBP-150 °C and 150–250 °C have been characterized. Individual component and hydrocarbon type distributions have been carried out quantitatively employing high resolution capillary gas chromatography and mass spectrometric techniques independently. More than 180 compounds including 60 olefins have been identified and quantified in the IBP-150 °C fraction only. A comparative study of hydrocarbon structures present in synfuel and crude oil fractions has been made and revealed that the cyclic character of coal-derived oils is due to predominance of hydroaromatics and cycloolefins rather than naphthenes alone. Moreover, for most of the homologous series of cyclic and aromatic structures, parent compounds are relatively more abundant in coal-derived oil than in natural crude petroleum and cracked petroleum fractions. The fractions have been evaluated for their suitability as gasoline/kerosene blending components in view of their estimated octane number and smoke point respectively.
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