Formation of chlorine species over magnesium oxide in the oxidative coupling of methane in the presence of carbon tetrachloride
作者： Shigeru Sugiyama , Kohji Satomi , Naoya Shigemoto , Hiromu Hayashi , John B. Moffat
DOI: 10.1007/BF00816301
关键词: Inorganic chemistry 、 Binary compound 、 Oxidative coupling of methane 、 Heterogeneous catalysis 、 Magnesium 、 Catalysis 、 Chemistry 、 Chlorine 、 Methane 、 Hydrocarbon
摘要: The oxidative coupling of methane on magnesium oxide (MgO) has been studied in the presence carbon tetrachloride (TCM) as a gas-phase additive. Addition small amount TCM to reactant stream improves selectivity C2H4, while conversion is not influenced by X-ray photoelectron spectra used MgO reveal formation chlorine species catalyst surface quantities up 0.20 Cl/Mg (atomic ratio), although diffraction show only and content bulk phase estimated fluorescence analysis very low. It concluded that enhancement C2H4 primarily results from species. chlorinated identified MgCl2.
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