In situ infrared spectroscopy on the gas phase hydrogenation of nitrobenzene
作者： U Hartfelder , C Kartusch , J Sá , Jeroen A van Bokhoven , None
DOI: 10.1016/J.CATCOM.2012.07.004
关键词: Catalysis 、 In situ infrared spectroscopy 、 Nitrobenzene 、 Inorganic chemistry 、 Gas phase 、 Colloidal gold 、 Adsorption 、 Chemistry 、 Aniline 、 Photochemistry 、 Process Chemistry and Technology 、 General chemistry
摘要: Abstract The gas phase hydrogenation of nitrobenzene over gold nanoparticles supported on titania and alumina was investigated by in situ infrared spectroscopy. Adsorption reduction readily proceeded both catalysts, aniline remained adsorbed the catalyst. On titania, decreasing amounts adsorb each cycle. found to occur through hydrogen-bonding interactions with surface hydroxyl groups supports. In presence aniline, adsorbs other sites as it is not able displace from sites. alumina, displaces some groups. Nitrobenzene thus compete, at least part, for same but titania.
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