Type of Hydrocarbon Activation and Nature of Active Sites of Base Catalysts in Methane Oxidative Dehydrodimerization Научная публикация
| Конференция |
Methane activation : European workshop 02-03 мая 1988 , Bochum |
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| Журнал |
Catalysis Today
ISSN: 0920-5861 |
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| Вых. Данные | Год: 1989, Том: 4, Номер: 3-4, Страницы: 293-300 Страниц : 8 DOI: 10.1016/0920-5861(89)85025-4 | ||
| Авторы |
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| Организации |
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Реферат:
Methane activation on magnesium-oxide-cased catalysts for methane dehydrodimerization has been studied. As found, the rate of dehydrodimerization changes proportionally with the concentration of base sites on the catalytic surface. The activation of methane results in the formation of the methyl anion, as ascertained by IR-Fourier spectroscopy. The dehydrodimerization rates have been compared with the concentration of one-electron sites and the rate of the CH4CD4 isotope exchange. Based on the data obtained a new mechanism of methane dehydrodimerization has been proposed; at the first reaction step a fast heterolytic dissociation of methane on base sites takes place. The rate-determining step is that of the metal-methyl dissociation leading to the formation of the methyl radical which determines a high activation energy of methane dehydrodimerization on oxide catalysts.
Библиографическая ссылка:
Sokolovskii V.D.
, Aliev S.M.
, Buyevskaya O.V.
, Davydov A.A.
Type of Hydrocarbon Activation and Nature of Active Sites of Base Catalysts in Methane Oxidative Dehydrodimerization
Catalysis Today. 1989. V.4. N3-4. P.293-300. DOI: 10.1016/0920-5861(89)85025-4 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Type of Hydrocarbon Activation and Nature of Active Sites of Base Catalysts in Methane Oxidative Dehydrodimerization
Catalysis Today. 1989. V.4. N3-4. P.293-300. DOI: 10.1016/0920-5861(89)85025-4 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Даты:
| Опубликована в печати: | 1 февр. 1989 г. |
| Опубликована online: | 30 июл. 2001 г. |
Идентификаторы БД:
| Web of science: | WOS:A1989BQ88L00003 |
| Scopus: | 2-s2.0-0024607161 |
| РИНЦ: | 31127014 |
| Chemical Abstracts: | 1989:215963 |
| Chemical Abstracts (print): | 110:215963 |
| OpenAlex: | W2070358353 |
| Sciact: | 12512 |