Green Synthesis of Nanostructure CeO₂ Using Tea Extract: Characterization and Adsorption of Dye from Aqueous Phase

Figure 6

Adsorption efficiency as a function of time for synthesized CeO₂ samples and commercial CeO₂ at 298 K with a dosage of 10 g/L, and 100 mg/L of CR (a) performance evaluation and (b) change in color after 1 minute treatment.

(a)

(b)