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Preparation of WO3-SBA-15 mesoporous molecular sieve and its performance as an oxidative desulfurization catalyst

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Abstract

The tungsten-containing mesoporous molecular sieve WO3-SBA-15 (SBA: Santa Barbara Amorphous type materials) was prepared under conventional hydrothermal conditions in strong acidic solution using H2WO4 as tungsten source, tetraethyl orthosilicate as silicon source, and a mixture of P123 tri-block copolymer (EO20PO70EO20) and cetyltrimethylammonium bromide as structure-directing agent. The catalyst was tested for oxidative desulfurization and characterized by X-ray diffraction and nitrogen adsorption–desorption. The catalyst had the highest desulfurization performance (i.e., 91.3%) after oxidation under the following reaction conditions: 20 mL gasoline with 540 ppm sulfur, 6 mol H2O2/sulfur, reaction temperature 333 K, reaction time 80 min, and three extraction cycles.

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Acknowledgments

The author gratefully acknowledged the financial support for the present work by Science Foundation of the Nanchang Jiangxi Province.

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Authors and Affiliations

  1. Department of Chemistry, College of Sciences, Nanchang University, 330031, Nanchang, Jiangxi, China

    Xiancai Li, Shaoxiang Huang, Qingrong Xu & Yifeng Yang

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  1. Xiancai Li
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  2. Shaoxiang Huang
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  3. Qingrong Xu
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  4. Yifeng Yang
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Correspondence to Xiancai Li.

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Li, X., Huang, S., Xu, Q. et al. Preparation of WO3-SBA-15 mesoporous molecular sieve and its performance as an oxidative desulfurization catalyst. Transition Met Chem 34, 943–947 (2009). https://doi.org/10.1007/s11243-009-9285-x

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  • DOI: https://doi.org/10.1007/s11243-009-9285-x

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