Abstract
Results of research of supercritical fluid CO2-regeneration process of Nickel-Molybdenum Catalysts DN-3531 and Criterion 514 are given. Regeneration was carried out with the use of pure supercritical carbon dioxide and mixture of supercritical carbon dioxide and various polar cosolvents. Regeneration process is carried out along isotherms, in the temperature range of 323 - 383 K, at pressures of P = 20 MPa and 30 MPa. Results of surface assessment of the catalyst samples regenerated show high effectiveness of suggested method.
Highlights
During the last several years, many countries have imposed a reduction of sulfur level to 10 ppm in fuels, to mi-How to cite this paper: Jaddoa, A.A., Bilalov, T.R., Gumerov, F.M., Gabitov, F.R. and Neindre, B.L. (2015) Regeneration of Nickel-Molybdenum Catalysts DN-3531 and Criterion 514 Used in Kerosene and Gas Oil Hydrotreating by Supercritical Carbon Dioxide Extraction
Since 2010, ultra-low sulfur diesel (ULSD) with a sulfur content of 15 ppm is the new standard for all on-road diesel fuel
One method to evaluate the efficiency of the regeneration processes is to determine the surface area of the catalyst samples regenerated according to the method described in [17] [18]
Summary
During the last several years, many countries have imposed a reduction of sulfur level to 10 ppm in fuels, to mi-How to cite this paper: Jaddoa, A.A., Bilalov, T.R., Gumerov, F.M., Gabitov, F.R. and Neindre, B.L. (2015) Regeneration of Nickel-Molybdenum Catalysts DN-3531 and Criterion 514 Used in Kerosene and Gas Oil Hydrotreating by Supercritical Carbon Dioxide Extraction. Supercritical Carbon Dioxide, Aluminum Oxide, Nickel-Molybdenum Catalyst, Regeneration (2015) Regeneration of Nickel-Molybdenum Catalysts DN-3531 and Criterion 514 Used in Kerosene and Gas Oil Hydrotreating by Supercritical Carbon Dioxide Extraction.
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