Abstract
The catalytic activity of crown ethers and their complexes with transition metal cations in diesel fuel desulfurization has been investigated. With dibenzo-18-crown-6 in combination with NbCl5, the total sulfur content of the fuel can be reduced by a factor of 2 or larger. The effects of the reaction temperature, nature of metal and crown ether, and sorbent acidity on the residual sulfur content are reported. Methods of separation of oxidized compounds, namely adsorption chromatography and extraction are compared in terms of desulfurization efficiency. The latter method is demonstrated to be preferable.
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Original Russian Text © E.V. Rakhmanov, Dan Jinyuan, O.A. Fedorova, A.V. Tarakanova, A.V. Anisimov, 2011, published in Khimicheskaya Tekhnologiya, 2011, Vol. 12, No. 1, pp. 31–35.
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Rakhmanov, E.V., Jinyuan, D., Fedorova, O.A. et al. Oxidative desulfurization of diesel fuels in the presence of crown ethers and transition metal peroxo complexes. Theor Found Chem Eng 46, 552–555 (2012). https://doi.org/10.1134/S0040579512050077
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DOI: https://doi.org/10.1134/S0040579512050077