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Hydroisomerization of benzene-containing gasoline fractions on Pt/SO 2−4 -ZrO2-Al2O3 catalyst: Conversion of model and real feedstocks

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Abstract

The conversion of benzene-containing gasoline fractions on the bifunctional Pt/SO 2−4 -ZrO2-Al2O3 catalytic system with different compositions of the support is studied. Using the results from hydroisomerization of a heptane-benzene model mixture, it is shown that a system with 67.8 wt % of aluminum oxide in its support has the best catalytic properties. For the IBP-85°C industrial benzene-containing fraction (23.7 wt % of benzene), it is established that the given catalyst ensures the complete removal of arenes from the benzene-containing fraction while raising its research octane number by 2.2–3.3 points and retaining a high yield of liquid products at levels of 98.7 wt % and higher.

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Correspondence to M. O. Kazakov.

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Original Russian Text © M.O. Kazakov, A.V. Lavrenov, V.K. Duplyakin, 2013, published in Kataliz v Promyshlennosti.

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Kazakov, M.O., Lavrenov, A.V. & Duplyakin, V.K. Hydroisomerization of benzene-containing gasoline fractions on Pt/SO 2−4 -ZrO2-Al2O3 catalyst: Conversion of model and real feedstocks. Catal. Ind. 5, 209–215 (2013). https://doi.org/10.1134/S2070050413030057

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  • DOI: https://doi.org/10.1134/S2070050413030057

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