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Oxidative conversion of propane over lithium-promoted magnesia catalyst: II. Active site characterization and hydrocarbon activation

โœ Scribed by L Leveles; K Seshan; J.A Lercher; L Lefferts


Book ID
114046201
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
164 KB
Volume
218
Category
Article
ISSN
0021-9517

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Lithium ions incorporation in MgO for ox
โœ C. Trionfetti; S. Crapanzano; I.V. Babich; K. Seshan; L. Lefferts ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 491 KB

In the case of Li-promoted MgO two different mechanisms for regeneration of the active site are found when varying the temperature between 550 and 700 8C. Propane titration showed that the active site is deactivated through formation of hydroxyl groups that are stable at 550 8C and below in absence