Abstract
The kinetics of oxidation of kerogen in the Colorado oil shale were measured using a thermogravimetric analysis technique in a continuously increasing temperature mode. The rate data were analysed based on the assumption that, at the relatively low temperatures at which the kinetics were measured, the oxidation reaction takes place on the surface of solid kerogen and that the decomposition of kerogen is not significant. The oxidation rate was determined to be of first order with respect to oxygen partial pressure. The activation energy of reaction was 11.0 ± 2.3 kJ mol −1, and the pre-exponential factor was (6.8 ± 2.5) × 10 −6 m(kPa · s) −1.
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