Supercritical CO₂ Assisted Synthesis of EDTA-Fe₃O₄ Nanocomposite with High Adsorption Capacity for Hexavalent Chromium

Figure 9

(a) Pseudo-first-order kinetics for adsorption of chromium (VI) on IONPs and MIONPs and (b) pseudo-second-order kinetics for adsorption of chromium (VI) on IONPs and MIONPs.

(a)

(b)