Removal of Ammonium from Aqueous Solutions Using Zeolite Synthesized from Electrolytic Manganese Residue

Figure 7

Effect of cations concentration on ammonium adsorption (EMRZ dosage = 0.2 g/100 mL; contact time = 100 min; pH value = 8.0; initial ammonium concentration = 100 mg/L; temperature = 25°C).