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- W2000929804 abstract "Hydrotreating (HT) kinetics of Athabasca bitumen-derived gas oil has been studied between 340 to 420°C using a commercial NiMo/γ-Al2O3 catalyst. The kinetics analyses included overall conversion of high-boiling species into low-boiling products, hydrodenitrogenation (HDN) of total, basic and non-basic nitrogen compounds and hydrodesulfurization (HDS). Three temperature regimes were marked out for the kinetic analyses: low (340-370°C), intermediate (370-400°C) and high (400-420°C). The mechanism for the conversion of high to low-boiling species was observed to change from one temperature regime to the other, giving rise to different activation energies. HDS and HDN activation energies increased in the order: high < low < intermediate severity temperature regime. On a étudié la cinétique de l'hydrotraitement (HT) du gazole d'Athabasca entre 340 et 420 °C à l'aide d'un catalyseur commercial de NiMo/γ-Al2O3. Les analyses cinétiques comprennent la conversion globale des espèces à point d'ébullition élevé en produits ayant des points d'ébullition bas, l'hydrodénitrogénation (HDN) de tous les composés azotés basiques et non basiques et l'hydrodésulfuration (HDS). Trois régimes de températures ont été distingués pour les analyses cinétiques: faible (340-370°C), intermédiaire (370-400°C) et élevé (400-420°C). On a remarqué que le mécanisme de conversion des espèces à point d'ébullition élevé en produits à point d'ébullition bas changeait d'un régime de températures à l'autre, entraînant l'augmentation des différentes énergies d'activation. Les énergies d'activation de l'HDS et HDN augmentent dans l'ordre: élevé < faible < régime de températures de sévérité intermédiaire" @default.
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- W2000929804 date "2008-05-19" @default.
- W2000929804 modified "2023-10-14" @default.
- W2000929804 title "Kinetics of Bitumen-Derived Gas Oil Upgrading Using a Commercial NiMo/Al2O3 Catalyst" @default.
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- W2000929804 doi "https://doi.org/10.1002/cjce.5450820308" @default.
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