Competitive Adsorption of Cadmium(II) and Mercury(II) Ions from Aqueous Solutions by Activated Carbon from Xanthoceras sorbifolia Bunge Hull

Figure 5

Adsorption and desorption of Cd(II) and Hg(II) on XLAC (desorption experiments, Cd(II): Cd-loaded-XLAC dose = 50 mg, V = 50 mL, HNO₃ concentration = 0.01 mol·L⁻¹, T = 25°C, t = 120 min, and revolution rate = 200 revolutions·min⁻¹; Hg(II): Hg-loaded-XLAC dose = 50 mg, V = 50 mL, HNO₃ concentration = 0.01 mol·L⁻¹, T = 25°C, t = 120 min, and revolution rate = 200 revolutions·min⁻¹).