A Stochastic Model for Adsorption Kinetics

Table 3

Estimated parameter values of the TOU model and goodness-of-fit measures for the adsorption kinetics of fluoride by Xant-Al at initial fluoride concentrations of 1, 2, 3, 4, and 5 mg/L.

	Xant-Al
(mg/L)	1	2	3	4	5
(mg/g)	0.4169	0.8679	1.2866	1.6348	1.9111
	3.5304	2.6629	2.0054	2.1147	1
((mg/g)/min)	75.7363	4.1397	0.7427	1.0171	12.01
	20.942	5.439	0.962	1.961	0
(1/min)	8.2763	3.2708	0.9569	1.7592	12.01
(mg/g)	0.0696	0.0803	0.0667	0.1929	0.246
(mg/g)^–1	0.0171	0.0314	0.0482	0.1028	0.0502
Half-life (min)	0.2281	0.3983	1.0472	0.5944	0.0577
Median (min)	418.3113	88.118	40.8972	16.7791	0.3358
Log-likelihood	9.7554	8.2108	7.025	5.5563	5.9835
	0.9936	0.9841	0.9648	0.8728	0.9898
MSE (mg/g)^2	0.0005	0.0062	0.0326	0.1986	0.0212
(%)	2.2515	3.5125	6.2594	10.7724	2.6762