Role of surface acidity on vanadia/silic
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J. Le Bars; J.C. Vedrine; A. Auroux; S. Trautmann; M. Baerns
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Article
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1992
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Elsevier Science
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English
โ 790 KB
The oxidative dehydrogenation of ethane in ethene has been investigated in the 753-863 K temperature range over V2OJSiO2 catalysts prepared by grafting or wet impregnation methods. The acidic features of fresh and used catalysts were studied by ammonia and pyridine adsorption using microcalorimetry