Oxidative Desulfurization of Fuel Oil at Room Temperature Catalyzed by Ordered Meso-macroporous HPW/SiO2

被引：4

作者：

郭振冉 ^{[1
]}

杜岳 ^{[2
]}

雷家珩 ^{[1
]}

ZHOU Lina ^{[2
]}

DU Xiaodi ^{[1
]}

机构：

[1] School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology

[2] School of Materials Science and Engineering, Wuhan University of Technology

来源：

JournalofWuhanUniversityofTechnology(MaterialsScience) | 2019年 / 34卷 / 05期

关键词：

room temperature; ordered meso-macroporous SiO2; Keggin heteropolyacids; oxidative desulfurization;

D O I：

暂无

中图分类号：

TE624.55 [];

学科分类号：

摘要：

A serial of ordered meso-macroporous phosphotungstic acid(HPW) supported on SiO2nanocomposites were successfully prepared by a homogeneous precipitation method, using monodispersed polystyrene(PS) microspheres and cationic surfactant as structure directing agent. These nanocomposites were used as catalysts for oxidative desulfurization(ODS) of model fuel. The materials were characterized by scanning electron microscopy(SEM), transmission electron microscopy(TEM), N2adsorption-desorption isothrem, X-ray diffraction(XRD), and Fourier transform infrared spectra(FTIR). The characterization results suggested that the as-prepared material possessed ordered meso-macroporous architectures with Keggin type phosphotungstic acid dispersed homogeneously in SiO2matrix. Under the selected reaction conditions, dibenzothiophene(DBT) in model fuel can be removed within 2 h at room temperature(30 ℃). In addition, only 1.2% of efficiency lose than the fresh catalyst even after 5 cycles.

引用

页码：1071 / 1076

页数：6

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