Table 3.

Thermodynamic parameters for beneficiated, raw, and calcined kaolin adsorbent.

Types of kaolin adsorbents	$\Delta {\mathbf{G}}^0$ [KJ/mol]			$\Delta {\mathbf{H}}^0$[KJ/mol]	$\Delta {\mathbf{S}}^0$[KJ/mol]
	Temperature [K]
	303.15	323.15	343.15
Beneficiated	-1.243	1.576	4.396	-43.989	-0.141
Raw	-0.414	1.913	4.240	-35.700	-0.116
Calcined	0.980	3.087	5.193	-30.953	-0.105