Defluoridation of Aqueous Solution Using Thermally Activated Biosorbents Prepared from Adansonia digitata Fruit Pericarp

Figure 7

Freundlich adsorption isotherms for fluoride adsorption by (a) TAADFP at 450°C, (b) TAADFP at 500°C, (c) TAADFP at 550°C, and (d) TAADFP at 600°C.

(a)

(b)

(c)

(d)