Abstract
The modification of the surface of the SCN grade activated carbon by a gaseous-phase chlorination with a CCl4 vapor has been studied. The effect of the reaction temperature on the amount of the grafted chlorine in the temperature range from 200 to 500°C and the thermal stability of the joined chlorine have been examined. It has been shown that the chlorination by the CCl4 vapor in a gaseous phase results in grafting 19.5 wt % (5.5 mmol/g) chlorine to a carbon surface layer. It has been found that the amination of SCN chlorine-containing samples leads to the replacement of the surface halogen by nitrogen-containing groups in amounts to 1.14 mmol/g.
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