Article ID Journal Published Year Pages File Type
44065 Applied Catalysis A: General 2007 8 Pages PDF
Abstract

New model catalysts were prepared by applying DC magnetron sputter deposition of vanadia onto ZrO2/SiO2 and TiO2/ZrO2/SiO2 supports and were characterized by X-ray diffraction (XRD), X-ray energy dispersive spectrometry (EDX), X-ray photoelectron spectroscopy (XPS), inductively coupled plasma emission spectroscopy (ICP) and catalytic activity towards propane and isobutane oxidative dehydrogenation. Titania interlayer enhances oxidative dehydrogenation activity and decreases the total oxidation side reactions. A Mars–van Krevelen mechanism is operative.

Graphical abstractNew model catalysts were prepared by applying DC magnetron sputter deposition of vanadia onto ZrO2/SiO2 and TiO2/ZrO2/SiO2 supports and were characterized by XRD, EDX, XPS, ICP and catalytic activity towards propane and isobutane oxidative dehydrogenation. Titania interlayer enhances oxidative dehydrogenation activity and decreases the total oxidation side reactions. A Mars–van Krevelen mechanism is operative.Figure optionsDownload full-size imageDownload as PowerPoint slide

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Physical Sciences and Engineering Chemical Engineering Catalysis
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