Activated Carbon from the Chinese Herbal Medicine Waste by H₃PO₄ Activation

Table 2

Proximate, ultimate, and component analyses.

(a)

Proximate analysis of CHMW-MO (as received, wt %)
Moisture	9.50
Volatile matter	56.3
Fixed carbon	27.36

(b)

Ultimate analysis of CHMW-MO (dry basis, wt %)
C	48.51
H	5.9
O	43.89
N	1.3
S	0.4

(c)

Component analyses (dry basis, wt %)
	MO	CHMW-MO
Cellulose	26.78	25.48
Hemicellulose	20.24	18.03
Lignin	19.87	27.11
Ash	6.20	2.84

Note: obtained by difference.