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Phosphomolybdic ionic liquid supported hydroxyapatite for heterogeneous oxidative desulfurization of fuels

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Abstract

With the continual air pollution and environmental issues caused by the combustions of sulfur-containing fuels, the desulfurization in transport fuels becomes a crucial topic worldwide. In this study, a kind of phosphomolybdic ionic liquid–supported hydroxyapatite was successfully designed and employed as a catalyst for heterogeneous oxidative desulfurization in fuel. The prepared catalysts were characterized via Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and Brunauer–Emmett–Teller (BET), which confirmed that phosphomolybdic ionic liquid was successfully immobilized on hydroxyapatite. With the prepared sample n-[Pmim]PMo/HAP, the sulfur removal could reach 97.2% under mild conditions. Furthermore, the supported catalyst has excellent recyclability and utilization foreground.

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Funding

This study is financially supported by the Hainan Provincial Department of Science and Technology (ZDYF2018013), the National Natural Science Foundation of China (21766007, 21776116), and the Commonwealth Scholarship Commission (201808460066, 201808460067).

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Correspondence to Ming Zhang or Linhua Zhu.

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The authors declare that they have no conflict of interest.

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Tang, A., Gu, C., Zhan, G. et al. Phosphomolybdic ionic liquid supported hydroxyapatite for heterogeneous oxidative desulfurization of fuels. J Nanopart Res 22, 250 (2020). https://doi.org/10.1007/s11051-020-04961-0

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  • DOI: https://doi.org/10.1007/s11051-020-04961-0

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