Fluoride and Arsenite Removal by Adsorption on La₂O₃-CeO₂/Laterite

Table 2

Parameters of formal kinetics for arsenite and fluoride adsorption onto LCL.

Adsorbate	Conc. (mg·L^–1)	Pseudo-first-order model				Pseudo-second-order model
		(mg·g^–1)	(mg·g^–1)	(min^–1)		(mg·g^–1)	(g·mg^–1·min^–1)
Arsenite	5	7.82	3.71	2.3 · 10^–2	0.955	7.97	1.65 · 10^–2	0.997
	10	12.82	4.40	3.7 · 10^–2	0.933	13.19	1.97 · 10^–2	0.999
Fluoride	5	5.68	2.55	2.14 · 10^–2	0.986	5.72	2.43 · 10^–2	0.996
	10	10.28	4.93	3.31 · 10^–2	0.949	10.61	1.60 · 10^–2	0.996