Figure 4

Effect of time on the adsorption of Cr(VI) by ammonium persulfate-modified AC (Temperature: 298.15 K, Speed: 150 rpm, Cr: 100 mg L-1, Adsorbent mass: 0.03 g, and Solution volume: 10 mL).

Effect of time on the adsorption of Cr(VI) by ammonium persulfate-modified AC (Temperature: 298.15 K, Speed: 150 rpm, Cr: 100 mg L-1, Adsorbent mass: 0.03 g, and Solution volume: 10 mL).