Figure 1

Sorption capacities of Congo red dye onto 0.1 g/50 mL coated WFS for different (a) Mg/Fe molar ratios and (b) dosages of prepared sorbent (Co = 500 mg/L; pH = 3; sorption time = 3 h and agitation speed = 200 rpm).

Sorption capacities of Congo red dye onto 0.1 g/50 mL coated WFS for different (a) Mg/Fe molar ratios and (b) dosages of prepared sorbent (Co = 500 mg/L; pH = 3; sorption time = 3 h and agitation speed = 200 rpm).