Eggshell-Derived Nanohydroxyapatite Adsorbent for Defluoridation of Drinking Water from Bofo of Ethiopia

Figure 10

(a) The effect of pH on the percentage removal of fluoride at 5 g adsorbent and 5 hr. (b) Fluoride removal efficiency of synthesized HA (sHA) and commercial HA on raw water samples from Bofo and Maki (5 g dose, 5 hr contact time, and pH 7).

(a)

(b)