Abstract
The hydrogenation of naphthalene, toluene, and 2-methylnaphthalene used as model compounds; the hydrodearomatization of the methylnaphthalene fraction; and the hydrocracking of oil sludge over Ni–W sulfide catalysts supported on BEA/TUD, BEA/SBA-15, and ZSM-5/SBA-15 composites containing SBA-15 and TUD mesoporous silicates have been studied. Catalytic tests have been conducted in an autoclave at 300–400°C and an initial hydrogen pressure of 50–90 atm. It has been found that the highest activity is exhibited by the catalyst based on the ZSM-5/SBA-15 (1) composite prepared by the double-templating synthesis and characterized by a specific surface area of 400 m2/g and an acidity of 409 μmol/g. Thus, in the case of dearomatization of the methylnaphthalene fraction at 300°C and an H2 pressure of 50 atm, the content of diaromatic compounds has decreased from 99.0 to 53.4%, while the amount of sulfur compounds has decreased almost 15-fold. The hydrocracking of oil sludge over NiW/ZSM-5/SBA-15 (2) at 400°C and an H2 pressure of 90 atm has led to an increase in the content of light fractions to 52%.
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Original Russian Text © E.R. Naranov, A.S. Badeevaa, A.A. Sadovnikov, S.V. Kardashev, A.L. Maksimov, S. V. Lysenko, V.A. Vinokurov, E.A. Karakhanova, 2016, published in Neftekhimiya, 2016, Vol. 56, No. 4, pp. 367–374.
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Naranov, E.R., Badeeva, A.S., Sadovnikov, A.A. et al. Hydrogenation of aromatic hydrocarbons over nickel–tungsten sulfide catalysts containing mesoporous aluminosilicates of different nature. Pet. Chem. 56, 599–606 (2016). https://doi.org/10.1134/S0965544116070124
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DOI: https://doi.org/10.1134/S0965544116070124