Oxidative Desulfurization of Fuels Using Heterogeneous Catalysts Based on MCM-41,Energy & Fuels

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Oxidative Desulfurization of Fuels Using Heterogeneous Catalysts Based on MCM-41
Energy & Fuels ( IF 5.2 ) Pub Date : 2018-09-06 00:00:00 , DOI: 10.1021/acs.energyfuels.8b02583
Polina Polikarpova ₁ , Argam Akopyan ₁ , Anastasia Shigapova ₁ , Aleksandr Glotov _{1,

2} , Alexander Anisimov ₁ , Eduard Karakhanov ₁

Affiliation

Mesoporous silicas of MCM-41 type modified by transition metal oxides, such as molybdenum, vanadium, and tungsten, were synthesized. These materials were characterized by low-temperature nitrogen adsorption/desorption, Fourier transform infrared spectroscopy, X-ray spectral fluorescence analysis, and transmission electron microscopy techniques and applied for the removal of sulfur compounds in model and real fuels by oxidative desulfurization. The catalysts obtained were tested under optimal conditions. Dibenzothiophene was removed completely, and sulfur removal in gasoline and diesel fractions could reach 91 and 63%, respectively. These catalysts retain their activity in gasoline fraction desulfurization for 5 cycles.

中文翻译：

基于MCM-41的多相催化剂对燃料的氧化脱硫

合成了由钼，钒和钨等过渡金属氧化物改性的MCM-41型中孔二氧化硅。这些材料通过低温氮吸附/解吸，傅立叶变换红外光谱，X射线光谱荧光分析和透射电子显微镜技术进行表征，并用于通过氧化脱硫去除模型燃料和实际燃料中的硫化合物。在最佳条件下测试获得的催化剂。完全去除了二苯并噻吩，汽油和柴油馏分中的硫去除率分别达到91％和63％。这些催化剂在汽油馏分脱硫中保持其活性5个循环。

更新日期：2018-09-06

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