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Influence of various promoters on the basicity and catalytic activity of MgO catalysts in oxidative coupling of methane
Authors:V. R. Choudhary  V. H. Rane  S. T. Chaudhari
Affiliation:(1) Chemical Engineering Division, National Chemical Laboratory, 411 008 Pune, India
Abstract:Addition of promoters, such as Li2O, Na2O, PbO, La2O3, MgCl2 and CaCl2, to MgO causes a large increase in its surface basicity (particularly strong basic sites) and catalytic activity/selectivity in oxidative coupling of methane, but the correlation between the basicity and C2-yield is poor, indicating that factors other than basicity are also important in deciding catalytic performance.
Keywords:Oxidative coupling of methane  C2-hydrocarbons  surface basicity  promoted MgO catalysts  Li-MgO  Na-MgO  PbO-MgO  MgCl2-MgO  CaCl2-MgO  La-MgO
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