Research Article

Pore Size Distribution Analysis of Coal-Based Activated Carbons: Investigating the Effects of Activating Agent and Chemical Ratio

Figure 2

Nitrogen isotherms at −196°C on the prepared samples with different chemical ratio: (a) samples activated with KOH, (b) samples activated with ZnCl2.
352574.fig.002a
(a)
352574.fig.002b
(b)