Table 3.

Kinetic parameters obtained by fitting experimental data for the adsorption of CLO and AMI on pMWCNTs and fMWCNTs using pseudo-first-order, pseudo-second-order, and Elovich models.

			Pseudo-First-Order Model			Pseudo-Second-Order Model			Elovich Model
Adsorbate	Adsorbent	mads (mg)	qeI (mg/g)	kI (min−1)	R 2	qeII (mg/g)	kII (g/(mg min))	R 2	α (mg/(g min))	β (mg/g)	R 2
CLO	pMWCNTs	10	130.86	3.122	0.985	136.09	0.045	0.996	3.029 × 109	0.172	0.984
		20	79.73	2.623	0.996	83.43	0.058	0.999	1.208 × 107	0.215	0.985
		30	55.88	3.801	0.996	57.31	0.169	0.999	8.397 × 1012	0.565	0.993
		40	43.71	5.833	0.999	44.08	0.687	0.999	2.062 × 1039	2.145	0.999
		50	35.04	3.750	0.992	35.83	0.264	0.983	4.903 × 1012	0.903	0.990
	fMWCNTs	10	50.23	0.732	0.999	52.98	0.023	0.986	4838.37	0.200	0.937
		20	35.41	2.710	0.995	36.01	0.265	0.996	1.009 × 1016	1.116	0.998
		30	31.20	1.126	0.994	32.25	0.086	0.999	8.693 × 107	0.669	0.994
		40	27.88	1.514	0.998	28.60	0.161	0.999	6.375 × 1011	1.078	0.999
		50	28.93	2.427	0.988	30.07	0.150	0.998	3.806 × 106	0.595	0.980
AMI	pMWCNTs	10	99.93	0.807	0.906	106.20	0.013	0.970	2091.86	0.080	0.984
		20	49.07	1.441	0.972	53.30	0.034	0.936	2571.26	0.175	0.985
		30	36.42	0.851	0.941	38.98	0.034	0.987	1542.52	0.242	0.990
		40	34.21	1.117	0.998	36.31	0.049	0.999	2401.26	0.272	0.968
		50	34.80	1.117	0.936	37.11	0.047	0.899	1841.14	0.256	0.987
	fMWCNTs	10	94.16	0.919	0.968	100.19	0.014	0.998	2789.45	0.089	0.966
		20	80.28	0.706	0.993	86.03	0.012	0.980	641.93	0.088	0.899
		30	57.88	1.302	0.980	60.90	0.039	0.999	1.153 × 106	0.223	0.986
		40	42.80	1.857	0.998	44.93	0.069	0.995	82060.74	0.298	0.969
		50	37.15	1.662	0.967	39.18	0.069	0.969	25894.01	0.313	0.978