Preparation of Active Carbon by Additional Activation with Potassium Hydroxide and Characterization of Their Properties

Table 2

Structural parameters of active carbons.

Active carbon	Picazine	Picazine K
BET surface area, m^2/g	1462	2939
Total pore volume, cm^3/g,	1.024	1.488
Micropore volume, , cm^3/g	0.494	1.001
Energy of adsorption, , kJ/kmol	16.22	17.77
Surface area micropores, , m^2/g	1392	2817
Mesopores surface area, , m^2/g (BHJ)	226	88
Volume mesopores, , cm^3/g (BHJ)	0.288	0.089