New Sustainable Biosorbent Based on Recycled Deoiled Carob Seeds: Optimization of Heavy Metals Remediation

Table 4

Pseudo-first-order and pseudo-second-order kinetic parameters for the biosorption of Co(II) and Cd(II).

Metal	Biosorbent	(mg/g)	Pseudo-first-order		Pseudo-second-order
			(mg/g)	(1/min)		(mg/g)	(g/mg·min)
Cd(II)	Raw-seeds	34.578	34.159	0.071	0.996	37.230	0.002	0.992
	HCl-seeds	8.942	9.076	0.043	0.991	10.380	0.005	0.972
	NaOH-seeds	45.905	45.863	0.296	0.992	42.649	0.009	0.994
Co(II)	Raw-seeds	18.963	18.964	0.064	0.998	20.697	0.004	0.993
	HCl-seeds	6.929	7.090	0.022	0.984	8.907	0.002	0.973
	NaOH-seeds	27.676	27.605	0.051	0.999	28.741	0.005	0.997