Table 4. Linear Isotherm and Kinetic Parameters for IHP Adsorption by ZLDH.

model	parameters	units	value	S.E.
Langmuir linear model	Qm	mg g–1	45.87	0.00108
	KL	L mg–1	0.0613	003017
	R2	_	0.98293	_
Freundlich linear model	KF	_	3.6683	0.17983
	N	_	1.6312	0.06393
	R2	_	0.92853	_
pseudo-first-order kinetic model	qe	mg g–1	17.558	0.5768
	k1	min–1	0.021	0.00424
	R2	_	0.7463	_
Pseudo-second-order kinetic model	qe	mg g–1	94.25	3.2042 × 105
	k2	g (mg min)–1	0.00625	0.00436
	R2	_	0.99993	_