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| SURFACE COMPOSITION AND OXIDATIVE COUPLING OF METHANE OVER Sm-Li-MgO CATALYST | |
| 摘 要： | The surface composition of Sm-Li-MgO catalysts and their behaviorin OCM have been investigated using the kinetic method,XRD and XPS.Wediscovered that lithium played an important role in the activity and C_2(C_2H_4+C_2H_6)selectivity of catalysts.The major reasons for catalyst deactivation arethe loss of lithium and the transformation of catalysts during the period ofreaction. |
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