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首页> 外文期刊>RSC Advances >Supported ionic liquid [Bmim]FeCl4/Am TiO2 as an efficient catalyst for the catalytic oxidative desulfurization of fuels
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Supported ionic liquid [Bmim]FeCl4/Am TiO2 as an efficient catalyst for the catalytic oxidative desulfurization of fuels

机译：负载型离子液体[Bmim] FeCl4 / Am TiO2作为燃料催化氧化脱硫的有效催化剂

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摘要

High activity oxidation of sulfur compounds to sulfones in extraction coupled with catalytic oxidative desulfurization (ECODS) system catalyzed by supported ionic liquid [Bmim]FeCl4/Am TiO2 was reported. The catalysts were analyzed by thermogravimetric (TG) analysis, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). It was found that [Bmim]FeCl4 and Am TiO2 had a synergistic effect on the desulfurization system. Effects of calcination temperature of the catalyst and various reaction conditions on the catalytic activity of desulfurization were investigated. Moreover, GC-MS analyses were employed to prove the process of the desulfurization. As a solid catalyst, the supported ionic liquid could be separated from the reaction easily. The recycling tests showed that the desulfurization efficiency remained 100% after reusing it for 25 times. Therefore, the ECODS system has excellent reusability and is promising for industrial applications for catalytic oxidative desulfurization.
机译：报道了负载型离子液体[Bmim] FeCl4 / Am TiO2催化萃取过程中硫化合物高活性氧化为砜，再加上催化氧化脱硫（ECODS）系统。通过热重（TG）分析，X射线衍射（XRD），傅里叶变换红外光谱（FT-IR）和X射线光电子能谱（XPS）来分析催化剂。发现[Bmim] FeCl4和Am TiO2对脱硫系统具有协同作用。研究了催化剂的煅烧温度和各种反应条件对脱硫催化活性的影响。此外，GC-MS分析被用来证明脱硫的过程。作为固体催化剂，负载的离子液体可以容易地从反应中分离出来。循环测试表明，重复使用25次后，脱硫效率仍保持100％。因此，ECODS系统具有出色的可重用性，并有望在工业应用中用于催化氧化脱硫。

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