Gold Catalysts Supported on the Macroporous Nanoparticles Composited of Cerium Oxide for Oxidation of Formaldehyde

Abstract:

_{Subscript textSubscript text}A series of Au/CeO₂ catalysts were synthesized and evaluated for formaldehyde catalytic combustion oxidation. In Au/CeO₂ catalysts, CeO₂ supports with different structure,Au/Macroporous-CeO₂ is found to be superior catalyst for formaldehyde catalytic oxidation. According to the analysis of transmission electron microscopy (TEM), the pore size of Macroporous-CeO₂ is broader than that of mesoporous SBA-CeO₂ support, which could make the active species gold adequately disperse as small nanoparticles, furthermore, it is most noticed that macroporous CeO₂ support is benefit to mass transfer comparing with mesoporous SBA-CeO₂ and ordinary power CeO₂.

• Periodical: Advanced Materials Research (Volumes 347-353)
• Pages: 2117-2120
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.347-353.2117
• Online since: October 2011
• Authors: Chang Yan Li, Song Song Chen, Zhi Xue Zhang, Jun Zhang
• Keywords: Formaldehyde Catalytic Oxidation, Gold Catalyst, Macroporous CeO₂, Mesoporous SBA-CeO₂

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