Parameters of different kinetic models for the adsorption process.

First-order model			Second-order model
K 1 (min−1)	Q e (mg g−1)	R 2	K 2 (g mg−1 min−1)	Q 2 (mg g−1)	R 2
0.041	3.64	0.779	0.036	90.90	0.999