Adsorption Equilibrium for Heavy Metal Divalent Ions (Cu²⁺, Zn²⁺, and Cd²⁺) into Zirconium-Based Ferromagnetic Sorbent

Figure 8

(a) Effect of initial solution pH and (b) initial solution pH versus final solution pH for the removal of Cu²⁺, Zn²⁺, and Cd²⁺ by the zirconium-based ferromagnetic sorbent [experimental condition: initial concentration 50 mg/L].

(a)

(b)