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Nonoxidative methane conversion into aromatic hydrocarbons on tungsten-containing pentasils |
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| Authors: | A. V. Vosmerikov G. V. Echevskii L. L. Korobitsyna N. V. Arbuzova E. G. Kodenev L. M. Velichkina C. P. Zhuravkov |
| Affiliation: | (1) Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences, Tomsk, 634021, Russia;(2) Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia;(3) Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634021, Russia |
| Abstract: | The effects of the tungsten concentration and of the method of tungsten introduction into ZSM-5 pentails with different SiO2/Al2O3 molar ratios on the acidity and the activity of the resulting catalysis in nonoxidative methane conversion into aromatic hydrocarbons are considered. The catalysts obtained from the SiO2/Al2O3 = 40 pentasil and a nanosized tungsten powder are the most active and the most stable. The maximum methane conversion and the highest yield of aromatic hydrocarbons are achieved on the zeolite containing 8.0 wt % tungsten nanopowder. |
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