Acidity and oxidation activity of MoO3?UO3/SiO2 catalysts |
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| Authors: | V Cortés Corberán G Kremenic and L González Tejuca |
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| Institution: | (1) Instituto de Catálisis y Petroleoquímica, C.S.I. C., Serrano 119, 28006 Madrid, Spain |
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| Abstract: | The effect of UO3 on the acidity of MoO3–UO3/SiO2 catalysts has been studied by means of infrared spectroscopy of adsorbed pyridine. The surface acidity exhibited a maximum for the same U/(U+Mo) atomic ratio (=0.11) that yielded a maximum in total conversion for isobutene oxidation. The catalytic properties for oxidation are discussed in terms of the acidic properties of the samples.
      UO3          MoO3–UO3/SiO2          .       U/(U+Mo)=0,11, .  ,   .
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