Kinetic and Isotherm Studies of the Adsorption Phenacetin onto Two Copper Porous Coordination Compounds: Nonlinear Regression Analysis

Table 3

Kinetic data obtained by non-linear fitting analysis.

N°	Models	Constants	Values	R ^2	SSE	χ ^2	ARE	RMSE
CuTart
1.	Pseudo-first order	Q e (mg/g)	20.389	0.809	6.715	0.363	3.606	0.918
		K 1 (1/min)	0.257
2.	Pseudo-second order	Q e (mg/g)	21.293	0.940	1.798	0.095	1.862	0.474
		K 2 (g/min.mg)	0.024
3.	Elovich	α (mg/g.min)	7389.66	0.854	4.320	0.217	3.049	0.735
		β (g/mg)	0.609
4.	Intraparticle diffusion model	K p (mg/g.min^0.5)	0.521	0.679	9.513	0.491	4.72	1.090
		C (mg/g)	16.213
CuFum
1.	Pseudo-first order	Q e (mg/g)	66.202	0.986	0.298	0.023	1.056	0.193
		K 1 (1/min)	0.017
2.	Pseudo-second order	Q e (mg/g)	16.114	0.925	2.114	1.637	2.854	0.514
		K 2 (g/min.mg)	0.022
3.	Elovich	α (mg/g.min)	348.238	0.931	1.818	0.120	2.488	0.476
		β (g/mg)	0.618
4.	Intraparticle diffusion model	K p (mg/g.min^0.5)	0.540	0.809	5.122	0.353	4.716	0.800
		C (mg/g)	10.894