Oxidative Polymerization of Aniline on the Surface of Sisal Fibers (SFs) as Defluoridation Media for Groundwater

Figure 9

Equilibrium isotherms of (a) Langmuir and (b) Freundlich models of fluoride adsorption (pH: 5, adsorbent dose: 1 g, and contact time: 60 min) at room temperature.

(a)

(b)