Cadmium Removal from Contaminated Water Using Polyelectrolyte-Coated Industrial Waste Fly Ash

Table 3

Langmuir and Freundlich constants for Cd (II) ion uptake.

	Langmuir constants					Freundlich constants
	R^2	KL		RL		R^2	Kf	1/n
PEFA	0.9918	0.4101	6.3939	0.4714	0.5286	0.9924	0.4568	0.878