Figure 5

(a–c) Effect of coexisting ions with different concentrations on NH4+ adsorption, [NH4+]o = 136.8 mg/L using D-Cu2+ (0.03 g) at 30 °C.

(a–c) Effect of coexisting ions with different concentrations on NH4+ adsorption, [NH4+]o = 136.8 mg/L using D-Cu2+ (0.03 g) at 30 °C.