Catalytic Combustion of Methane over Ni modified Pd/Al2O3 Catalysts

Авторы: Todorova Silviya, Naydenov Anton, Velinova Ralitsa, Kolev Hristo, Larin Alexander, Karashanova D.
Журнал: Materials Today: Proceedings
Том: 61
Номер: 4
Год издания: 2022
Издательство: Elsevier B.V.
Местоположение издательства: Netherlands
Первая страница: 1212
Последняя страница: 1216
DOI: 10.1016/j.matpr.2022.01.267
Аннотация: New data on the catalytic combustion of methane on Ni modified Pd/Al2O3 catalysts were obtained. NiAl2O4 spinel phase and finely disperse Pd0 and PdO are formed on the catalytic surface. It was established that the interaction between NiAl2O4 and Pd particles prevent the migration of Pd particles by stabilization at low crystallite size. All three oxidation states Pd0, Pd2+ and Pd4+ are registered after the reaction. The observed close catalytic activity of all nickel-modified catalysts is explained by the similar surface palladium concentration, which indicates that increasing the nickel content does not lead to a significant improvement in catalytic activity.
Добавил в систему: Ларин Александр Владимирович

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