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Characterization of textural and surface properties of mesoporous metathesis catalysis

Elsevier Science & Technology
DOI: 10.1016/s0167-2991(07)80971-2
  • Chemistry


Abstract Metathesis catalysts based on Re(VII)oxide supported on organized mesoporous alumina (OMA) were characterized by a number of experimental techniques including X-ray diffraction (XRD), X-ray photoelectron (XPS), FTIR spectroscopy, MAS NMR, and nitrogen isotherms to understand the changes in textural and chemical properties during the activation and the metathesis reaction of olefins. The presence of pentacoordinated Al, population of acidic OH groups, concentration of Lewis acid sites and reducibility of Re (VII) oxide to Re(IV) species in OMA based catalysts - there are the main features, which were discussed in connection with catalytic activity.

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