Possibility of Removing Pb and Cd from Polluted Water by Modified Fly Ash

Table 2

Kinetic model fitting parameters for Cd²⁺ and Pb²⁺ adsorption.

		Pseudo-first-order			Pseudo-second-order
Metal ions	(mg/g)	(mg/g)	(1/min)		(mg/g)	(g/mg 1/min)
Cd^2+	72.59	32.22	0.0082	0.8336	78.74	0.0024	0.9928
Pb^2+	122.74	65.75	0.013	0.8366	115.53	0.0013	0.9925