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Spectroscopic and chromatographic analysis of oil from an oil shale flash pyrolysis unit

01.Jan.2003

​In this investigation, spectroscopic (FT-IR, UV–Vis, 1H NMR) and chromatographic (GC) techniques were used to analyze two Jordanian shale oils, Sultani and El-Lajjun. The oils were extracted at different pyrolysis temperatures (400–500 °C) using a fluidized bed reactor. The spectroscopic and chromatographic analyses show that the variation of pyrolysis temperature has no significant effect on the composition of the produced oil. The 1H NMR results indicate that the protons of methyl and methelyene represent the bulk of the hydrogen (∼90%) in most shale oil samples. GC analysis reveals that the oil samples contain n-alkanes with a predominant proportion of n-C25.