Abstract
Two new precursor materials, (Mg0.63Zn0.37)(Mn0.1Fe1.8)O3.85 (hereafter Mg−Zn) and (Mn0.55Zn0.35Fe0.1)Fe2O4 (hereafter Mn−Zn), derived from the microelectronic ferrite materials studied earlier by us, were found to be catalytically active in primary alcohols transformation. Both Mg−Zn and Mn−Zn ferrites reveal dehydrogenating features, transforming a primary alcohol into an aldehyde, but they differ with respect to subsequent bimolecular condensation to symmetric ketone. The difference in selectivity can be tentatively explained by the different dispersion of surface both Lewis acidic centers and reducing centers as well as the presence of a strong synergic effect between these centers. The materials were tested by XRD, TPR, IR, and BET methods.
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