An investigation of the activity of coprecipitated gold catalysts for methane oxidation
作者： R. D. Waters , J. J. Weimer , J. E. Smith
DOI: 10.1007/BF00813684
关键词:
摘要: Coprecipitated Au on transition metal oxide catalysts have been tested for their activity toward methane oxidation. Catalyst activities fall in the order Au/Co3O4>Au/NiO> Au/MnOx> Au/Fe2O3 > Au/CeO. The Au/Co3O4 catalyst is active just below about 250°C. are proposed to more than one type of reactive site since supports also at higher temperatures. Analysis spent with X-ray photoelectron spectroscopy indicates that exists least two oxidation states some them, a reduced state and an oxidized state. increases increasing Auin
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