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

Table 4

Adsorption kinetic parameters.

	Pseudo-first-order kinetic model			Pseudo-second-order kinetic model			Elovich equation
	q1 (mg·g^−1)	k1 (min^−1)		q2 (mg·g^−1)	k2 (g·mg^−1·min^−1)		A (mg·g^−1)	B (g·mg^−1·min^−1)
KRH0.5	126.3	0.185	0.944	136.1	0.002	0.985	60.72	16.42	0.998
KRS0.5	110.7	0.156	0.932	120.7	0.002	0.980	44.32	16.46	0.999