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Vol. 6 No. 3 (2014)

Preparation of Palladium Supported on Ferric Oxide Nano-catalysts for Carbon Monoxide Oxidation in Low Temperature

https://doi.org/10.1007/BF03353787
Fagen Wang
National Engineering Research Center for Nanotechnology, Shanghai 200241, China
Yan Xu
National Engineering Research Center for Nanotechnology, Shanghai 200241, China
Kunfeng Zhao
National Engineering Research Center for Nanotechnology, Shanghai 200241, China
Dannong He
National Engineering Research Center for Nanotechnology, Shanghai 200241, China

Corresponding Author: Dannong He

hdnbill@sh163.net

Nano-Micro Letters, Vol. 6 No. 3 (2014), Article Number: 233-241

Abstract

Catalytic property of Pd/Fe2O3 catalysts on carbon monoxide (CO) oxidation at low temperature were investigated in this paper. Both the as-prepared and H2-pretreated Pd/Fe2O3 catalysts show catalytic performances on CO oxidation. The CO was completely converted at 333 K for the as-prepared sample, whereas at 313 K for H2-pretreated Pd/Fe2O3-573 catalyst. The catalytic performance of the Pd/Fe2O3 catalyst decreases with increased calcination temperature. This may be due to the increased crystallinity of the support and decreased metal-support interaction. Progressive deactivation of the catalysts during long-time reaction was associated with the formation of carbonates on the catalyst surface that inhibits CO activation or intermediate transformation.

Keywords

Pd/Fe2O3 Carbon monoxide Catalytic oxidation Low temperature
Wang, Fagen, Yan Xu, Kunfeng Zhao, and Dannong He. 2014. “Preparation of Palladium Supported on Ferric Oxide Nano-Catalysts for Carbon Monoxide Oxidation in Low Temperature”. Nano-Micro Letters 6 (3):233-41. https://doi.org/10.1007/BF03353787.
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