Adsorption of Cd (II) Using Chemically Modified Rice Husk: Characterization, Equilibrium, and Kinetic Studies

Table 3

Values of the pseudofirst and second order kinetic parameters.

Rice husk sample	Model						(mg/g)
	KPFO			KPSO
	(h^-1)		SSE	(g/mg.h)		SSE	KPFO	KPSO
S2	2.85	0.97	0.41	2.356	0.992	0.38	2.22	2.357
S2-NaOH	1.45	0.72	0.53	10.007	0.999	1.43	3.21	3.22