Abstract

The mechanism of adsorption of 2-propanol on alumina, as the first step of its dehydration to propene and water, has been studied by determination of active hydrogen concentration on the surface of the catalyst and by oxygen isotope exchange in water at 150°C. The results confirmed the adsorption of the alcohol by substitution of the surface hydroxy groups and with displacement of water which contains the oxygen atom and at least one hydrogen atom from the surface.

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