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CO oxidation: Deactivation of Au/TiO2catalysts during storage

✍ Scribed by Mpfunzeni Raphulu; Jason McPherson; Gary Pattrick; Thabang Ntho; Lebohang Mokoena; John Moma; Elma van der Lingen

Publisher
World Gold Council
Year
2009
Tongue
English
Weight
340 KB
Volume
42
Category
Article
ISSN
0017-1557

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Deactivation of Au/TiO2 catalyst in the
Deactivation of Au/TiO2 catalyst in the hydrogenation of o-chloronitrobenzene in the presence of CO2
✍ Yufen Hao; Ruixia Liu; Xiangchun Meng; Haiyang Cheng; Fengyu Zhao πŸ“‚ Article πŸ“… 2011 πŸ› Elsevier Science 🌐 English βš– 683 KB

The hydrogenation of o-chloronitrobenzene over Au/TiO 2 was investigated in supercritical carbon dioxide (scCO 2 ), ethanol, H 2 O, and H 2 O/CO 2 at 140 β€’ C. The reaction rate followed the order of H 2 O > H 2 O/CO 2 > ethanol > scCO 2 . Au/TiO 2 was deactivated in the systems containing CO 2 . Cha