Pseudo-first order, pseudo-second-order, and Elovich kinetic parameters for DR-81 removal onto Zn(ii)-MPIH complex.

Isotherms	Parameters	Values
Pseudo-first order	q exp (mg g−1)	29.17
	q theor (mg g−1)	18.87
	K 1 (min−1)	0.12
	R 2	0.924
Pseudo-second order	q exp (mg g−1)	29.17
	q theor (mg g−1)	29.61
	K 2 (g mg−1 min−1)	0.0023
	R 2	0.999
Elovich kinetic model	q exp (mg g−1)	29.17
	α (mg mg−1 min−1)	84.23
	β (g mg−1)	14.17
	R 2	0.971