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

Figure 5

Effect of adsorbent dosage on adsorption capacity and removal efficiency: (a) and (b) for 20% HAP = Clay mass, (c) and (d) for 15% HAP = Clay mass, and (e) and (f) for 10% HAP=Clay mass.

(a)

(b)

(c)

(d)

(e)

(f)