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The Ni/Ca0.8Sr0.2TiO3 catalyst system prepared by the citrate method shows high activity in partial oxidation of methane to synthesis gas. It is assumed that the interaction of Ni with the perovskite lattice may be responsible for the increased catalytic activity. 1% 57Fe dopant substituted for Ti was used in order to see if the presence of Ni has any perturbation effect on the structure of the perovskite...
Perovskite oxides, (Ba0.95,Ca0.05) (Co1-x,Fex) O3-δ, are prominent materials for CO2 absorption at high temperature. The substitution of Ba sites with Ca ion, and the mixed valence states of Fe and Co ions due to the formation of oxygen vacancies at high temperatures are effective for CO2 absorption. Especially Co ions are more active for CO absorption than Fe ions. These oxides were analyzed by EMS...
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