Biosorption Mechanism of Aqueous Pb²⁺, Cd²⁺, and Ni²⁺ Ions on Extracellular Polymeric Substances (EPS)

Table 4

Parameters of Dubinin–Radushkevich model.

Heavy metals	Temperature (°C)	E (kJ mol^-1)
Pb^2+	20	8.45	0.96
	30	8.70	0.95
	40	8.91	0.97
Cd^2+	20	9.05	0.93
	30	9.28	0.95
	40	9.62	0.95
Ni^2+	20	9.53	0.95
	30	9.90	0.93
	40	10.21	0.97