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

Figure 9

(a) pseudo-first-order, (b) pseudo-second-order, (c) Elovich equation model, and (d) intra-particle diffusion model kinetic plots for ammonia removal by EMRZ at different initial ammonium concentrations (EMRZ dosage = 0.2 g/100 mL; pH value = 6.0; temperature = 25°C).

(a)

(b)

(c)

(d)