Influence of bivalent metal compounds on the production of activated coals in the presence of carbon dioxide

The activation of coals of the metamorphism series in a stream of carbon dioxide in the presence of salts of bivalent metals changes the porosity, size of the pores. and increases the specific surface area of the coals. The catalytic effect of the additives is manifest in the periodic oxidation and reduction of the metal under the effect of the carbon dioxide and the coal surface. which is especially noticeable on coals with a low rank.