Abstract
The supported CoMoS2/Al2O3 and NiMoS2/Al2O3 catalysts were prepared by impregnating of alumina to incipient wetness with aqueous solutions of 12-molybdophosphoric heteropoly acid and nickel or cobalt citrates. A bulk Ref-MoS2 catalyst was obtained by thermal decomposition of ammonium tetratiomolybdate. The synthesized catalysts were investigated by low temperature nitrogen adsorption and high resolution transmission electron microscopy. The catalytic properties were studied in the dibenzothiophene hydrodesulfurization and naphthalene hydrogenation in the presence of dodecanoic acid or guaiacol in a flow unit with a microreactor under hydrogen pressure. It was shown that the bulk catalyst Ref-MoS2 has minimal sensitivity to dodecanoic acid and guaiacol during the combined hydrotreatment of dibenzothiophene and naphthalene. The effective adsorption constants of dodecanoic acid and guaiacol were calculated using the Langmuir—Hinshelwood model.
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This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation, project no. 14.574.21.0139 (unique identifier of the project RFMEFI57417X0139).
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Russian Text © The Author(s), 2019, published in Zhurnal Prikladnoi Khimii, 2019, Vol. 92, No. 12, pp. 1622–1632.
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Varakin, A.N., Salnikov, V.A., Pimersin, A.A. et al. Influence of Oxygen-Containing Compounds on Conversion and Selectivity of Dibenzotiophene and Naphthaline on Bulk and Supplied Co(Ni)MoS2 Catalysts. Russ J Appl Chem 92, 1761–1771 (2019). https://doi.org/10.1134/S1070427219120186
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DOI: https://doi.org/10.1134/S1070427219120186