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

Figure 1

Adsorption efficiency and Zeta potential of Pb²⁺ (a), Cd²⁺ (b), and Ni²⁺ (c) adsorption on EPS.

(a)

(b)

(c)