Adsorption Equilibrium and Kinetics of the Removal of Ammoniacal Nitrogen by Zeolite X/Activated Carbon Composite Synthesized from Elutrilithe

Figure 7

Adsorption kinetics of ammonium from aqueous solution: (a) effect of contact time on ammonium adsorption, (b) pseudofirst-order kinetic model, and (c) pseudosecond-order kinetic model.

(a)

(b)

(c)