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Key refinery technologies for upgrading of heavy oils feasible to be combined to increase yield and quality of upgraded oil are reviewed and analyzed. Hydrogen addition and carbon rejection based technologies are described to establish their current situation for heavy oil and residue upgrading. Various integrations of upgrading processes were identified in the literature and others have been proposed,...
Different approaches to calculate the hydrogen consumption during hydrotreating of petroleum fractions are reviewed and discussed. Experimental information about the hydrotreating of various distillates (naphtha, light and heavy gasoils, atmospheric and vacuum residues) obtained in a bench-scale unit at typical operating conditions and commercial catalysts was used to determine the hydrogen consumption...
In this work we report experimental information about the hydroprocessing of Maya heavy crude oil using two reaction stages. Experiments were performed in a high-pressure fixed-bed pilot plant. Hydroprocessing reactions were carried out at constant pressure (70kg/cm 2 ) and Hydrogen-to-oil ratio (5000ft 3 /bbl). Space-velocity and reaction temperature were varied in the ranges of 0...
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