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Performance of a Novel Hydrophobic Mesoporous Material for High Temperature Catalytic Oxidation of Naphthalene

机译:新型疏水性介孔材料对萘的高温催化氧化性能

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摘要

A high surface area, hydrophobic mesoporous material, MFS, has been successfully synthesized by a hydrothermal synthesis method using a perfluorinated surfactant, SURFLON S-386, as the single template. N-2 adsorption and TEM were employed to characterize the pore structure and morphology of MFS. Static water adsorption test indicates that the hydrophobicity of MFS is significantly higher than that of MCM-41. XPS and Py-GC/MS analysis confirmed the existence of perfluoroalkyl groups in MFS which led to its high hydrophobicity. MFS was used as a support for CuO in experiments of catalytic combustion of naphthalene, where it showed a significant advantage over MCM-41 and ZSM-5. SEM was helpful in understanding why CuO-MFS performed so well in the catalytic combustion of naphthalene. Experimental results indicated that MFS was a suitable support for catalytic combustion of large molecular organic compounds, especially for some high temperature catalytic reactions when water vapor was present.
机译:通过使用全氟化表面活性剂SURFLON S-386作为单一模板的水热合成方法已成功合成了高表面积,疏水性介孔材料MFS。用N-2吸附和TEM来表征MFS的孔结构和形态。静态吸水试验表明,MFS的疏水性明显高于MCM-41。 XPS和Py-GC / MS分析证实MFS中存在全氟烷基,这导致其高疏水性。在萘的催化燃烧实验中,MFS被用作CuO的载体,与MCM-41和ZSM-5相比,它具有明显的优势。 SEM有助于理解为什么CuO-MFS在萘的催化燃烧中表现出色。实验结果表明,MFS是大分子有机化合物催化燃烧的合适载体,特别是当存在水蒸气时的某些高温催化反应。

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