Assessment of Performance of Posidona oceanica (L.) as Biosorbent for Crude Oil-Spill Cleanup in Seawater

Table 3

Pseudo-first-order and pseudo-second-order kinetics parameters at different crude initial concentrations.

C0 (g/l)	Pseudo-first-order					Pseudo-second-order
	qe (g/g)	k1 (min^−1)	χ^2	R^2	qe (g/g)	k2 (g/g min)	χ^2	R^2
2.7	1.731	0.097	0.061	0.839	1.823	0.153	0.055	0.853
5	3.554	0.133	0.123	0.918	3.421	0.253	0.186	0.877
8.8	6.916	0.111	0.074	0.986	7.251	0.242	0.133	0.975
10	8.669	0.128	0.101	0.988	9.090	0.210	0.102	0.988
15	9.736	0.115	0.083	0.992	10.070	0.224	0.127	0.988
20	11.260	0.168	0.197	0.986	11.082	0.309	0.294	0.979
30	11.574	0.206	0.297	0.980	11.380	0.362	0.404	0.973
40	11.152	0.250	0.435	0.969	10.880	0.444	0.608	0.957