Removal of Pb (II) from Synthetic Solution and Paint Industry Wastewater Using Activated Carbon Derived from African Arrowroot (Canna indica) Stem

Table 5

The isotherm parameters of Langmuir and Freundlich for Pb (II) adsorption by CISAC.

Langmuir parameters	Freundlich parameters
		R^2		n	1/n	R^2
8.52	0.57	0.9884	1.44	1.64	0.61	0.9461