Abstract
With the knowledge the significant effect of basic site on the catalytic performance of heterogeneous catalysts in the selective oxidation of alcohol, a series of Co2MgxAl-LDHs (x=0, 0.5, 1.0, 1.5, and 2.0) compounds with different Mg2+ contents have been prepared, characterized and introduced into the selective oxidation of benzyl alcohol with TBHP as the oxidant. The results showed that introducing Mg2+ ions can not only influence the amount of basic site, but also promote the oxidation process of Co2+ to Co3+. These facts must contribute to the markedly improved catalytic activities of Co2MgxAl-LDH samples.
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