Research Article

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

Table 3

Adsorption isotherm parameters.

SamplesLangmuir isothermFreundlich isotherm
qm (mg·g−1)KL (L·mg−1)R2KF (mg1−(1/n)·L1/n·g−1)nR2

KRH0.511190.002860.9955.0691.1890.991
KRS0.52950.011650.9939.8211.6730.972