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Chemical structure changes in Condor shale oil during catalytic hydrotreatment were studied based on elemental analysis, 1 H-NMR analysis, TLC/FID and GCD. Catalytic activities of red-mud/sulfur and Ni-Mo catalysts were discussed as to the hydrogenation and hydrogenolysis of structure units in addition to the removal of heteroatoms.
Novel catalysts were developed for the hydrodesulfurization, hydrodenitrogenation and hydrocracking of Israeli shale oil. They were designed to operate on feedstock containing a high level of sulfur and nitrogen. Two hydrotreating stages and one hydrocracking stage were performed in a batch reactor. High-activity catalysts with large macropores yielded 97 and 79% conversion of sulfur and nitrogen...
Atmospheric residual oil hydroprocessing over a dispersed catalyst of cobalt and molybdenum was conducted in continuous mode under 6.9MPa of H 2 using an expanded-bed reactor which was loaded with an appropriate amount of activated carbon granules. As dispersed catalyst precursors, oil-soluble cobalt naphthenate and molybdenum naphthenate were used. Throughout this work, the optimum catalyst...
This study focuses on the synthesis of NiMo-based catalysts in both bulk and coated forms, using ion-exchangeable silica-doped hydrous titanium oxide (HTO:Si) supports. These catalysts were evaluated and compared against commercial NiMo-based catalysts (Amocat 1C and Shell 324) with respect to the hydrogenation of pyrene and the hydrodesulfurization/hydrodenitrogenation of coal-derived liquids. ...
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