Regular ArticleRedox and Chemisorptive Properties of Ex-Chloride and Ex-Nitrate Rh/Ce0.6Zr0.4O2 Catalysts: 1. Effect of Low-Temperature Redox Cycling
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Cited by (31)
Influence of a synthesis method and a support nature on physicochemical and catalytic properties of supported rhodium catalysts for the partial oxidation of hydrocarbons. I. Chloride series
2021, Molecular CatalysisCitation Excerpt :In particular, Rh-containing catalysts were found to be more selective and active in the partial oxidation of hydrocarbons, both gaseous and liquid [1,2]. At that, it is important to take into account the influence of the precursor of the active component on the properties of the catalyst [3]. The most commonly used support for such catalysts is alumina [4,5], which possesses all the properties necessary for the optimal support [6] and provides good dispersion of the metal and high resistance to sintering and poisoning with sulfur [4].
Methanol steam reforming behavior of copper impregnated over CeO<inf>2</inf>-ZrO<inf>2</inf> derived from a surfactant assisted coprecipitation route
2015, International Journal of Hydrogen EnergyCitation Excerpt :A common feature for all the materials is the appearance of a low temperature H2 consumption peak between 70 and 210 °C that is not observed for the bare supports. This peak is clearly due to the addition of copper that not only is reduced to Cu0, but can also promote CeO2 reduction through a spillover mechanism widely reported in literature for ceria supported metal catalysts [43,44]. At increasing CeO2 loading the peak tends to split into three features that are distinguished clearly on Cu10CZ80: the maxima have been related to the reduction of amorphous CuO clusters, bulk CuO interacting with surface ceria and CuO crystallites [45].
Investigation on properties of a novel ceria-zirconia-praseodymia solid solution and its application in Pd-only three-way catalyst for gasoline engine emission control
2011, FuelCitation Excerpt :CeO2 as a component of automotive catalysts has a number of the essential drawbacks: the stability is not sufficient for hard exhaust conditions, and its surface area drastically decreases under a high temperature, leading to the catalyst deactivation [18]. It has been reported that the thermal stability, oxygen storage capacity, redox properties and catalytic activity of ceria–zirconia solid solution can be strongly enhanced in comparison with pure CeO2 [19–22]. Therefore, in modern TWC formulations, ceria–zirconia solid solution is included instead of CeO2 to cater for the OSC requirement [8].
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