Adsorption kinetic parameters of the pseudo-first-order and pseudo-second-order model for the adsorption of sulfonated lignite onto biomorphic MgO.

C 0	q e,exp	Pseudo-first-order model			Pseudo-second-order model
		q e,cal	K 1 min−1	R 2	q e,cal	K 2 min−1	R 2
100	191.66	225.00	0.123	0.8856	191.57	0.0026	0.9928
150	288.27	167.53	0.089	0.9605	303.95	0.0011	0.9978
200	391.66	269.42	0.123	0.8757	403.22	0.0012	0.9995