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首页> 外文期刊>fresenius environmental bulletin >CARBON-DOPED ORDERED MESOPOROUS SILICA CONTAINING TUNGSTEN CATALYSTS FOR HETEROGENEOUS OXIDATIVE DESULFURIZATION OF FUELS
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CARBON-DOPED ORDERED MESOPOROUS SILICA CONTAINING TUNGSTEN CATALYSTS FOR HETEROGENEOUS OXIDATIVE DESULFURIZATION OF FUELS

机译:CARBON-DOPED ORDERED MESOPOROUS SILICA CONTAINING TUNGSTEN CATALYSTS FOR HETEROGENEOUS OXIDATIVE DESULFURIZATION OF FUELS

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摘要

In this study, hybrid materials carbon-doped ordered mesoporous silica containing tungsten species were successfully synthesized through one-pot selfassembly process, and employed as catalysts for heterogeneous oxidative desulfurization of aromatic organic sulfur compounds. Various techniques such as vibrational spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Brunauer-Emmett-Teller method, Transmission electron microscopy, and Energy dispersive X-ray spectroscopy were employed to study the structure and composition of catalysts. The sulfur removal could reach 100 in 30 min under mild conditions. It was also found that carbon-doping could play an important role in retaining ordered mesoporous structure in the silica framework. The sulfur removal of the catalyst could still reach over 90 after recycling for ten times, indicating an approved prospect toward potential application.

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