Table 1. Kinetic Parameters for the Adsorption of Co(II) Ions on the CFBL–Silica Composite (Initial Concentration of Cobalt = 10 Mg/L).

kinetics model	parameter (symbol, unit)	values
pseudo-first order	qe,exp, mg/g	2.60
	qe,cal, mg/g	1.23
	K1, 1/min	0.034
	R2	0.330
pseudo-second order	qe,exp, mg/g	2.60
	qe,cal, mg/g	2.43
	K2, g/mg·min	7.677
	R2	0.999
intraparticle diffusion model	KIPD, mg/g·min0.5	0.11
	C	2.814
	R2	0.553