Al-Waste-Based Zeolite Adsorbent Used for the Removal of Ammonium from Aqueous Solutions

Figure 8

Adsorption isotherms for the NH₄⁺ uptake on Al-waste-NaP1. Conditions: pH = 7.5; contact time = 15 min; adsorbent dose = 10 g/L; and T = 28 ± 2°C. R-P: Redlich–Peterson.

(a)

(b)