Table 2.

Kinetic parameters for DB103 dye adsorption onto the prepared AC.

Kinetic	Kinetic constant	Value
Pseudo-first-order	k1 (1/min)	0.034
	qe (mg/g)	1.166
	R2	0.119
Pseudo-second-order	k2 (g/mg min)	0.398
	qe (mg/g)	2.189
	R2	0.989
Intra-particle diffusion	Kp (mg/g min1/2)	0.444
	C (mg/g)	0.361
	R2	0.881