Comparative Study of Textural Characteristics on Methane Adsorption for Carbon Spheres Produced by CO<sub>2</sub> Activation

<table>N<sub>2</sub> adsorption-desorption isotherms (77 K) corresponding to the four samples. □: CS0; ○: CS3; △: CS6; and <i>▽</i>: CS9.</table>

International Journal of Chemical Engineering

Figure 2: Comparative Study of Textural Characteristics on Methane Adsorption for Carbon Spheres Produced by CO<sub>2</sub> Activation 