Kinetics, Equilibrium, and Thermodynamics of the Sorption of Bisphenol A onto N-CNTs--Cyclodextrin and Fe/N-CNTs--Cyclodextrin Nanocomposites

Table 4

Pseudo-first-order, pseudo-second-order, and Elovich kinetic models parameters at 298 K for Fe/N-CNTs-β-CD at different concentrations of BPA: 50 mg⋅L⁻¹, 75 mg⋅L⁻¹, and 100 mg⋅L⁻¹. Sorbent dose = 1 g/1000 mL solution.

Fe/N-CNTs-β-CD
(ppm)	(mg⋅g^−1)	Pseudo-first-order kinetic model				Pseudo-second-order kinetic model				Elovich kinetic model
		(1/min)	(mg⋅g^−1)		SSE	(g/mg⋅min)	(mg⋅g^−1)		SSE	α (mg/g⋅min)	β		SSE
50	38.90	0.007	34.08	0.98	15.80	0.004	39.52	1.00	4.97	10.24	0.10	0.98	5.00
75	55.80	0.007	50.71	0.98	5.00	0.002	55.18	1.00	8.00	10.15	0.07	0.98	8.11
100	75.90	0.007	68.02	0.98	7.00	0.002	77.52	1.00	8.99	18.82	0.05	0.98	8.99

Values represent the minimum sum of square error (SSE).