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Preparation of highly effective ferric hydroxide supported noble metal catalysts for CO oxidations: From gold to palladium
乔波涛 / 邓友全
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Ferric hydroxide supported Pd catalyst prepared by a simple co-precipitation method without calcinations at elevated temperatures and only reduced at 50◦C possessed unexpectedly higher activity for CO oxidations even compared with that of supported Au catalysts. XRD and TEM results showed that the support was mixture of Fe(OH)x and Fe3 O4 and Pd was highly dispersed on it. XPS results showed that Pd existed as mixture of oxidation and metal state. The large amount of OH group on the supports may play an important role in O adsorption and activation.

Keywords: Gold; Palladium; CO oxidations; Ferric hydroxide; Low temperature

★★★☆☆ Qiao BT,Liu LQ,Zhang J,et al. Preparation Of Highly Effective Ferric Hydroxide Supported Noble Metal Catalysts For Co Oxidations: From Gold To Palladium[J]. Journal Of Catalysis,2009,261:241-244.