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Effect of pressure on the phase composition of Li(Na)/W/Mn/SiO2 composites and their catalytic activity for oxidative coupling of methane |
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| Authors: | G D Nipan V A Artukh V S Yusupov A S Loktev N A Spesivtsev A G Dedov I I Moiseev |
| Affiliation: | 1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia 2. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia 3. Gubkin Russian State University of Oil and Gas, Leninskii pr. 65/1, Moscow, 119991, Russia |
| Abstract: | The phase state of Li/W/Mn/SiO2 and Na/W/Mn/SiO2 composites after exposure to high pressures (2.5 GPa at 500°C) and subsequent exploitation in oxidative coupling of methane (OCM) was studied. Comparison of the catalytic activity of the composites before and after exposure to high pressures indicates that the formation of Li(Na)/W/Mn/SiO2 composites catalytically active for OCM is significantly influenced by high pressures. |
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