Table 6.

Parameters of the kinetic models: pseudo-first-order model - Lagergren, pseudo-second-order model, and intraparticle model - Weber and Morris., For the adsorption of Ni(II) on carbon aerogels in the whole series of R/C.

Kinetics	Parameters		Ae25	Ae50	Ae100	Ae200	Ae400	Ae600	Ae800	Ae1500
	qe (expe)	(mg.g−1)	6.789	7.612	7.887	9.314	10.19	11.49	11.89	12.55
Pseudo first order	qe	(mg.g−1)	4.204	3.134	2.561	3.055	4.107	5.837	4.114	4.102
	K1	(min)−1	0.010	0.010	0.010	0.009	0.010	0.011	0.013	0.010
	R2		0.9572	0.9491	0.9649	0.9253	0.9742	0.9922	0.9660	0.9119
Pseudo second order	qe	(mg.g−1)	0.238	0.319	0.390	0.327	0.243	0.171	0.243	0.244
	K2	(g.mg−1.min−1)	0.006	0.010	0.012	0.008	0.007	0.005	0.009	0.008
	R2		0.9977	0.9992	0.9997	0.9994	0.9995	0.9993	0.9999	0.9999
Intraparticle	b	(mg.g−1)	3.575	5.311	5.743	6.4064	6.8924	7.470	8.3489	8.5371
	Kip1	(mg·g−1·min−1/2)	0.162	0.1161	0.1113	0.1483	0.170	0.2049	0.1933	0.2129
	R2		0.9586	0.9565	0.9136	0.9290	0.9269	0.9489	0.8057	0.7979