Table 2.

Kinetic parameters for the adsorption of MO onto MgAl-LDH, γ-AlO(OH), and γ-AlO(OH)/MgAl-LDH

Kinetic models	Parameters	MgAl-LDH	γ-AlO(OH)	γ-AlO(OH)/MgAl-LDH
Pseudo-first-order	qe (mg g−1) experiment	155.5	183.3	1000
	qe (mg g−1) model	48.6	40.9	146.7
	K1 (min−1)	0.05537	0.64079	0.13575
	R 2	0.50311	0.86471	0.65129
Pseudo-second-order	qe (mg g−1) model	156.5	183.5	1001.3
	K2 (g mg−1 min−1)	0.00523	0.11053	0.00450
	R 2	0.9998	1	1