Application of Central Composite Design in the Adsorption of Ca(II) on Metakaolin Zeolite

Table 6

Equilibrium studies parameters.

Isotherm	Parameter	Value
Langmuir	(mg g^−1)	12.610
	(L mg^−1)	0.764
		4.76
		0.993
Freundlich	KF (mg g^−1)	5.608
		3.578
		37.91
		0.933