Removal of Arsenite from Water by Ce-Al-Fe Trimetal Oxide Adsorbent: Kinetics, Isotherms, and Thermodynamics

Table 2

The parameters of Langmuir and Freundlich models at different temperatures.

Adsorption isotherm models	Parameters	Temperature (°C)
		20	30	40
Langmuir isotherm	(mg·g^−1)	44.385	41.580	32.787
	(L·mg^−1)	0.051	0.060	0.084
		0.840	0.856	0.840
Freundlich isotherm	(mg^1−1/n·L^1/n·g^−1)	2.005	2.186	2.427
		1.121	1.115	1.128
		0.999	0.996	0.995