Research Article

Adsorption of Chromium(VI) onto Freshwater Snail Shell-Derived Biosorbent from Aqueous Solutions: Equilibrium, Kinetics, and Thermodynamics

Figure 6

Effect of the contact time on Cr(VI) adsorption onto FSS at various temperatures; pH 2; 10 mg/L of initial Cr(VI); 4 g/L of adsorbent dosage.
(a)
(b)
(c)