Synthesis and Characterization of Hydroxyapatite- (HAP-) Clay Composites and Adsorption Studies on Methylene Blue for Water Treatment

Figure 8

Freundlich isotherm model fit for (a) 24 mg, (b) 34.5 mg, and (c) 33 mg combined mass HAP-BENT adsorbents.

(a)

(b)

(c)