Abstract
A highly dispersed and thermally stable nanosized cerium–hafnium solid solution over silica support has been synthesized. The obtained catalyst exhibited a high specific surface area and superior redox as well as acid–base properties. To unveil dispersion and thermal stability, samples were thermally annealed at various temperatures from 773 to 1073K and investigated by means of XRD, TEM, XPS, ISS, Raman spectroscopy and other techniques. Catalytic activity was evaluated for selective dehydration of 4-methylpentan-2-ol to 4-methylpent-1-ene in the vapor phase. The designed catalyst exhibited better activity and selectivity, and the observed catalytic properties were correlated with structural features.
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