Abstract:Ferric oxide catalysts dispersed on silica and acidic silicas modified by the introduction of Al (SiO 2 -Al 2 O 3 ), Nb (SiO 2 -Nb 2 O 5 ) and Zr (SiO 2 -ZrO 2 ) (ca. 30 mass%) were prepared by wet impregnation from ferric acetylacetonate. The structural (by XRD studies), morphological (by nitrogen adsorption/desorption studies) and electronic (by DRS/UV-vis) properties of both the fresh and used catalysts after their employment in the decomposition of N 2 O were studied. Ferric oxide species with different nu… Show more
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