Table 7.

Summary table of the hydraulic conductivity (k) values, piezometric gradient (i), first-order (λ₁) degradation kinetics constant, bulk density (ρ), initial concentration (C₀), final concentration (C_f) which is the objective of the reclamation and thickness (S) of the PRB.

Reactive Material	Metals	K (m/day)	i	λ1 (L/g h)	λ1 (L/g day)	ρ (kg/m3)	C0 (kg/m3)	Cf Limit (kg/m3)	ln(C0/Cf) (--)	S (m)
Cabuya fiber	Zn	141.4	0.913	0.105	2.517	16	0.100	0.003	3.507	1.1
	Cu			0.152	3.651		0.030	0.001	3.401	0.8
	Cd			0.149	3.576		0.004	0.00005	4.382	1.0
Clinoptilolite	Zn	131.6	0.913	0.124	2.971	100	0.100	0.003	3.507	1.0
	Cu			0.190	4.559		0.030	0.001	3.401	0.6
	Cd			0.072	1.726		0.004	0.00005	4.382	2.1
Mordenite	Zn	131.5	0.913	0.145	3.479	100	0.100	0.003	3.507	0.8
	Cu			0.185	4.445		0.030	0.001	3.401	0.6
	Cd			0.140	3.351		0.004	0.00005	4.382	1.1
Sodium mordenite	Zn	131.5	0.913	0.137	3.278	100	0.100	0.003	3.507	0.9
	Cu			0.109	2.625		0.030	0.001	3.401	1.1
	Cd			0.080	1.917		0.004	0.00005	4.382	1.9