Table 1. Kinetic parameters in the adsorption of methylene blue by clay nanocomposite hydrogel membrane (RT, pH of 6.5 and 150 mL).

Concentration of MB (mg L−1)	Experimental qe (mg g−1)	k2×103 (g mg−1 h−1)	R2
10.0	3.36	54.67	0.9988
19.0	6.44	24.56	0.9985
36.8	12.52	5.60	0.9943
79.4	27.02	1.94	0.9996
162.6	55.06	0.65	0.9993