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Pyrolysis oil derived from oil shale was hydrotreated in a stirred reactor at 400 o C for a hydrotreatment time of 12h. The influence of hydrogen pressure at 7, 9, 11 and 15MPa and the role of catalyst type in the form of nickel-molybdenum and cobalt-molybdenum types was investigated in relation to the yield and composition of the products. The results showed that nitrogen and sulphur contents...
Oil shale from the Kimmeridge Clay, of Jurassic age from the UK was pyrolysed in a 5kg fixed bed reactor at 525 o C in a nitrogen atmosphere. The derived shale oil was then hydrotreated at 15.0Mpa pressure and 400 o C in a stirred reactor with a nickel-molybdenum (Ni-Mo) catalyst and residence times from 8 to 56h. The shale oils were analysed for polycyclic aromatic hydrocarbons (PAH)...
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