Adsorptive Removal of Dyes from Aqueous Solution by KMnO₄-Modified Rice Husk and Rice Straw

Table 1

Parameters of pore structure of the samples.

Sample	BET surface area (m^2·g^−1)	Pore volume (cm^3·g^−1)	Average pore diameter (nm)
RH	15.77	0.05	3.83
KRH0.1	6.77	0.04	3.81
KRH0.5	20.61	0.27	3.42
RS	7.54	0.11	4.32
KRS1	27.02	0.08	3.83