Regeneration Analysis of Bone Char Used in Water Defluoridation: Chemical Desorption Route, Surface Chemistry Analysis and Modeling

Figure 2

Fluoride desorption kinetics of bone char using NaOH solution at pH 7 and 30°C. (a) 1^st regeneration. (b) 5^th regeneration. (c) 10^th regeneration.

(a)

(b)

(c)