Phosphomolybdic ionic liquid supported hydroxyapatite for heterogeneous oxidative desulfurization of fuels
2020
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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