Место издания:Elsevier B.V Netherlands Louvain-la-Neuve, Belgium
Первая страница:305
Последняя страница:309
Аннотация:Hierarchical porous biomorphic catalyst Ce0.5Zr0.5O2 for oxidation of soot was prepared
by calcination of sawdust, impregnated by solutions of Ce and Zr nitrates. SEM analysis
revealed total reproducibility of biotemplate morphology by final oxide. Biomorphic
Ce-Zr oxide has certain advantages over coprecipitated one: it possesses larger surface
area, is thermally stable, has higher amount of mobile lattice oxygen and lower
temperature of its release. Thanks to its filamentous-like morphology and improved
redox properties biomorphic catalyst is more active in combustion of soot