Abstract
The oxidative desulfurization of a straight-run, nonhydrotreated diesel fraction (boiling range 178–342°C) containing benzothiophene, dibenzothiophene, their alkyl-substituted derivatives, and thioxanthene by the action of hydrogen peroxide in the presence of transition metal compounds (Na2MoO4, Na2WO4, NaVO3, WO3, tungstic acid, and heteropoly tungstate/molybdate H3PMo6W6O40) in a biphasic system followed by the extraction of the oxidation products with dimethylformamide has been studied. The oxidation of the hydrocarbon fraction in the presence of heteropoly tungstate/molybdate under biphasic conditions provides for the removal of up to 82% of total sulfur.
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Original Russian Text © E.V. Rakhmanov, A.V. Tarakanova, T. Valieva, A.V. Akopyan, V.V. Litvinova, A.L. Maksimov, A.V. Anisimov, S.V. Vakarin, O.L. Semerikova, Yu.P. Zaikov, 2014, published in Neftekhimiya, 2014, Vol. 54, No. 1, pp. 49–51.
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Rakhmanov, E.V., Tarakanova, A.V., Valieva, T. et al. Oxidative desulfurization of diesel fraction with hydrogen peroxide in the presence of catalysts based on transition metals. Pet. Chem. 54, 48–50 (2014). https://doi.org/10.1134/S0965544114010101
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DOI: https://doi.org/10.1134/S0965544114010101