Abstract
ABSTRACTOxidative coupling of methane (OCM) to C2+ hydrocarbons was studied over a series of lithium-promoted magnesium oxide catalysts, prepared using different precursor salts for MgO, Li, and catalyst preparation methods (namely wet impregnation and sol-gel), under different reaction temperatures ranging from 675 to 825°C. The prepared catalysts were characterized by a variety of techniques, including X-ray diffraction, temperature programmed desorption of carbon dioxide, the Brunauer–Emmett–Teller, and scanning electron microscopy. Catalytic activity and selectivity toward desired products over the Li/MgO catalysts depended on the precursors used, catalyst preparation method, and nature of synthesized catalysts.
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