Figure 11

Variations of the dimensionless equilibrium parameter (RL) versus the initial concentration (Agitation time 5 h, Temperature: 298.15 K, Speed: 150 rpm, Cr: 5–600 mg L-1, Adsorbent mass: 0.03 g, and Solution volume: 10 mL).

Variations of the dimensionless equilibrium parameter (RL) versus the initial concentration (Agitation time 5 h, Temperature: 298.15 K, Speed: 150 rpm, Cr: 5–600 mg L-1, Adsorbent mass: 0.03 g, and Solution volume: 10 mL).