Effect of pretreatment with hydrogen on the structure and properties of carbon-supported Pd-Ag-nanoalloys for ethylene production by acetylene hydrogenation Научная публикация
| Журнал |
Molecular Catalysis
ISSN: 2468-8231 |
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| Вых. Данные | Год: 2021, Том: 511, Номер статьи : 111717, Страниц : 9 DOI: 10.1016/j.mcat.2021.111717 | ||||||
| Ключевые слова | Pd-Ag catalystsAcetylene hydrogenationReduction in hydrogenActive phases formationCarbon support Sibunit | ||||||
| Авторы |
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| Организации |
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Информация о финансировании (1)
| 1 | Министерство науки и высшего образования Российской Федерации | 0239-2021-0002 |
Реферат:
The formation process of the active component of 0.5%Pd-0.5%Ag catalysts supported on the carbon black/pyrolytic synthetic carbon composite «Sibunit», which were synthesized by joint impregnation, was studied. XRD and EXAFS studies revealed that heating of the Pd-Ag/Sibunit catalyst in hydrogen at 400–500 °C results in the formation of bimetallic solid solution Pd0.6Ag0.4. The bimetallic particles are characterized by an increased distance between neighboring palladium atoms (2.78–2.80 Å), as compared to metallic palladium and by an increase in the electron density on palladium atoms under the action of silver (according to XPS data). The synthesized samples with supported Pd-Ag nanoparticles make it possible to obtain С2Н4 by ethyne hydrogenation with the selectivity of 77–78%.
Библиографическая ссылка:
Glyzdova D.V.
, Afonasenko T.N.
, Khramov E.V.
, Leont’eva N.N.
, Trenikhin M.V.
, Kremneva A.M.
, Shlyapin D.A.
Effect of pretreatment with hydrogen on the structure and properties of carbon-supported Pd-Ag-nanoalloys for ethylene production by acetylene hydrogenation
Molecular Catalysis. 2021. V.511. 111717 :1-9. DOI: 10.1016/j.mcat.2021.111717 WOS Scopus РИНЦ OpenAlex
Effect of pretreatment with hydrogen on the structure and properties of carbon-supported Pd-Ag-nanoalloys for ethylene production by acetylene hydrogenation
Molecular Catalysis. 2021. V.511. 111717 :1-9. DOI: 10.1016/j.mcat.2021.111717 WOS Scopus РИНЦ OpenAlex
Даты:
| Поступила в редакцию: | 1 мая 2021 г. |
| Принята к публикации: | 15 июн. 2021 г. |
| Опубликована в печати: | 10 июл. 2021 г. |
| Опубликована online: | 10 июл. 2021 г. |
Идентификаторы БД:
| Web of science: | WOS:000681472000008 |
| Scopus: | 2-s2.0-85109780495 |
| РИНЦ: | 6546848 |
| OpenAlex: | W3180052392 |