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Yunfei Kuo, Frank Behrendt, Martin Lerch

Effect of the Specific Surface Area of Li/MgO Catalysts in the Oxidative Coupling of Methane

Keywords: Oxidative Methane Coupling, Specific Surface Area, Li/MgO Catalyst

The specific surface area is a key factor in heterogeneous catalysis. Lithium-doped MgO is well known as one of the best catalysts for the oxidative coupling of methane (OCM) with respect to activity and selectivity. Doping with Li causes MgO to sinter severely resulting in a dramatic decrease of the specific surface area. Li/MgO catalysts prepared from Li₂CO₃ and MgO in addition with charcoal have been examined by several surface characterization techniques. The addition of activated charcoal was found to increase the specific surface area and to modify the morphology of the Li/MgO catalysts. As a result, the specific activity on a per gram basis increased.

Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0942-9352
Volume: 221, 08/2007
Pages: 1017 - 1037

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