Аннотация

The self-sustained kinetic oscillations in the catalytic oxidation of methane over Ni foil have been studied at atmospheric pressure using an X-ray diffraction technique and mass spectrometry. It has been shown that the regular reaction-rate oscillations appear under oxygen-deficient conditions and the period of oscillations varies between approximately 200 and 4000 s. The operando measurements have revealed a higher activity of metallic Ni in the reaction than NiO oxide and have unambiguously showed that the oscillations arise due to the reversible bulk oxidation of Ni to NiO.

Язык оригиналаанглийский
Страницы (с-по)1646-1649
Число страниц4
ЖурналCatalysis Science and Technology
Том7
Номер выпуска8
DOI
СостояниеОпубликовано - 21 апр 2017

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