Activated Carbon from Prickly Pear Seed Cake: Optimization of Preparation Conditions Using Experimental Design and Its Application in Dye Removal

Table 5

Pseudo-first-order and pseudo-second-order kinetics parameters.

qe,exp (mg g^−1)	Pseudo-first order				Pseudo-second order
	qe,cal (mg g^−1)	k1 (min^−1)	R^2	(%)	qe,cal (mg g^−1)	k2 (g·mg^−1·min^−1)	R^2	(%)
260	245.50	51.1 10^−3	0.95	9.9	268.60	0.28 10^−3	0.99	3.8