Fig. 8

(A) Pseudo-first-order for the early-stage adsorption from 0–30 min, (B) Pseudo-first-order for the late stages adsorption from 30–300 min, (C) pseudo-second-order for the early-stage adsorption from 0–30 min, (D) pseudo-second-order for the late stages adsorption from 30–300 min, (E) Inter-particle diffusion models for the early-stage adsorption from 0–30 min, (F) Inter-particle diffusion models for the late stages adsorption from 30–300 min of CR on the as-prepared and thermally treated Mg/Ni/Al-LDH forms.