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Oxidative coupling of methane over doped Li/MgO catalysts

โœ Scribed by G.C. Hoogendam; K. Seshan; J.G. van Ommen; J.R.H. Ross


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
475 KB
Volume
21
Category
Article
ISSN
0920-5861

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โœฆ Synopsis


A series of zirconia doped Li/MgO catalysts with a fixed amount of zirconia and varying concentrations of lithium was used for the oxidative coupling of methane. It was found that an increase in lithium concentration resulted in a decrease in initial activity, while the selectivity was not affected. The life-time of Zr doped Li/MgO catalysts with a fixed concentration of ZrOz is a function of the lithium concentration. Previous results have shown that Li2Mg3Zr06 is active and selective but it is now shown to be instable under reaction conditions.


๐Ÿ“œ SIMILAR VOLUMES


The role of heterogeneous reactions duri
โœ J.M.N. van Kasteren; J.W.M.H. Geerts; K. van der Wiele ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 323 KB

## SUMNARY The role of heterogeneous and homogeneous reactions during the oxidative coupling of methane over Li/MgO was investigated by carrying out experiments at reduced pressure (60 Pa). The conclusion is that the radical reactions occurring in the gas phase play an essential role in the C,, se