Activated Carbon from the Chinese Herbal Medicine Waste by H₃PO₄ Activation

Figure 5

Nitrogen adsorption-desorption isotherms of MO, CHMW-MO, and its activated carbons. (a) MO and CHMW-MO samples; (b) CHMW-MO-AC samples prepared at different activation temperatures.

(a)

(b)