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Of cerium compounds

In order to improve the resistance of Ni/Al203-based catalysts to sintering and coke formation, some workers have proposed the use of cerium compounds [36]. Ceria, a stable fluorite-type oxide, has been studied for various reactions due to its redox properties [37]. Zhu and Flytzani-Stephanopoulos [38] studied Ni/ceria catalysts for the POX of methane, finding that the presence of ceria, coupled with a high nickel dispersion, allows more stability and resistance to coke deposition. The synergistic effect of the highly dispersed nickel/ceria system is attributed to the facile transfer of oxygen from ceria to the nickel interface with oxidation of any carbon species produced from methane dissociation on nickel. [Pg.295]

They are cheap reactants (owing to the low cost of cerium compounds). [Pg.128]

Toxicological and Ecological Behaviour of Cerium Compounds i. 3. L L Toxicological Behaviour of Cerium Compounds... [Pg.19]

Tabtc 1.2. Acute Toxicity data of Cerium compounds... [Pg.19]

Sereni, J.G., 1991, Low-temperature behaviour of cerium compounds, in Handbook on the Physics and Chemistry of Rare Earths, W. 15, eds... [Pg.512]

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Cerium compounds

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