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The surface chemistry of a commercial activated carbon has been selectively modified, without changing significantly its textural properties, by means of chemical treatments, using HNO 3 , H 2 O 2 , NH 3 , and thermal treatments under a flow of H 2 or N 2 . The resultant samples were characterized in terms of their surface chemistry and textural properties,...
Activated carbon fibers from different precursors and with different degrees of activation were used as catalysts for the oxidative dehydrogenation of ethylbenzene. Within each group, the fibers exhibited similar surface chemistries, so that the observed catalytic performances could be interpreted exclusively in terms of their textural properties. Analysis of the catalytic results highlighted common...
The preparation, characterisation and activity of activated carbon-supported nickel catalysts prepared by impregnation were studied by a range of temperature-programmed techniques including thermogravimetry (TG), differential scanning calorimetry (DSC), temperature-programmed reduction/desorption (TPR/TPD) and temperature-programmed reaction. The impregnation isotherm was interpreted in terms of two...
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