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Self-Oscillations During Methane Oxidation over Pd/Al2O3: Variations of Pd Oxidation State and Their Effect on Pd Catalytic Activity Научная публикация

Журнал Applied Catalysis A: General
ISSN: 0926-860X
Вых. Данные Год: 2016, Том: 522, Страницы: 40-44 Страниц : 5 DOI: 10.1016/j.apcata.2016.04.024
Авторы Bychkov V.Yu. 1 , Tulenin Yu.P. 1 , Slinko M.M. 1 , Khudorozhkov A.K. 2,3 , Bukhtiyarov V.I. 2,3 , Sokolov S. 4 , Korchak V.N. 1
Организации
1 Semenov Institute of Chemical Physics, Russian Academy of Sciences, Kosygina str. 4, 119991, GSP-1, Moscow, Russia
2 Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Acad. Lavrentiev Pr. 5, 630090, Novosibirsk, Russia
3 Novosibirsk State University, Pirogova st. 5, 630090, Novosibirsk, Russia
4 Leibniz Institute for Catalysis, Albert-Einstein-Strasse 29a, 18059, Rostock, Germany
Реферат: Oscillations of the rate of methane oxidation under methane-rich conditions over Pd/Al2O3 were studied by in situ thermogravimetry and mass-spectrometry. Structural transformations of Pd in the oscillation cycle went through fast reduction of Pd oxide, metal carbonization, removal of deposited carbon as CO2 and gradual oxidation of metallic Pd. Simultaneous measurement of the weight changes and CO2 production during oscillations helped to elucidate a relationship between catalytic activity of Pd and its oxidation state. Metallic Pd showed the highest activity which dropped sharply as metal surface became oxidized and then increased gradually as Pd oxidized further into PdO0.3.
Библиографическая ссылка: Bychkov V.Y. , Tulenin Y.P. , Slinko M.M. , Khudorozhkov A.K. , Bukhtiyarov V.I. , Sokolov S. , Korchak V.N.
Self-Oscillations During Methane Oxidation over Pd/Al2O3: Variations of Pd Oxidation State and Their Effect on Pd Catalytic Activity
Applied Catalysis A: General. 2016. V.522. P.40-44. DOI: 10.1016/j.apcata.2016.04.024 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Даты:
Поступила в редакцию: 2 мар. 2016 г.
Принята к публикации: 22 апр. 2016 г.
Опубликована online: 27 апр. 2016 г.
Опубликована в печати: 25 июл. 2016 г.
Идентификаторы БД:
Web of science: WOS:000379369800005
Scopus: 2-s2.0-84964658651
РИНЦ: 27151051
Chemical Abstracts: 2016:708282
Chemical Abstracts (print): 164:604226
OpenAlex: W2344030932
Sciact: 9156
Цитирование в БД:
БД Цитирований
Scopus 20
OpenAlex 22
Альметрики: