55.石炭およびヤシ殻の賦活過程における積層構造の変化

抄録

Activated carbons were prepared by Co_2 activation of coal and coconut shell chars. The porous structure of the activated samples was characterized by N_2 adsorption to evaluate the surface area and pore size distribution. The bulk structure was analysed by X-ray diffraction and transmission electron microscopy. As a result a relationship between the surface characteristics of the activated samples and their bulk structure was obtained. It was found that amorphous parts in the chars are burned off during the activation process earlier than the layered ones.