NiO and ZrO2 Based Catalysts in the Reaction of Complete Methane Oxidationстатья
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Дата последнего поиска статьи во внешних источниках: 7 декабря 2013 г.
Аннотация:The reaction of complete methane oxidation over deposited catalysts (NiO/ZrO2 and NiO/YSZ)
and binary oxides NiO_ZrO2 produced by coprecipitation, by the sol gel method, and using a biotemplate
(NiO content in the samples, 10.1 mol %) is investigated. It is shown that binary oxides cause methane oxi
dation at lower temperatures than their deposited analogue: the temperature of methane halftransformation
is 470, 500, and 520°C for binary oxides, while T50 = 570°C for NiO/ZrO2. Major factors affecting the activ
ity of binary oxides in the methane oxidation reaction are determined: the dispersion of the active phase
(NiO) and the availability of the second component with high mobility of the lattice oxygen.