✦ LIBER ✦

Promotional effect of molybdenum, chromium and cobalt on a VMgO catalyst in oxidative dehydrogenation of ethylbenzene to styrene

✍ Scribed by W. Oganowski; J. Hanuza; H. Drulis; W. Miśta; L. Macalik

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 812 KB
Volume: 136
Category: Article
ISSN: 0926-860X
DOI: 10.1016/0926-860x(95)00272-3

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✦ Synopsis

The influence of molybdenum, chromium and cobalt on the oxidation state and redox processes in V-Mg-O catalyst is studied by means of X-ray diffraction and electron spin resonance spectroscopy. The results obtained are correlated with catalytic activity and selectivity. It is shown that molybdenum doping increases the selectivity and the chromium and cobalt doping improves the activity of the catalyst studied. The promotional effect of the dopants on the catalytic mechanism is discussed.