Removal of Fluoride from Aqueous Solutions Using Chitosan Cryogels

Figure 8

PZC of cryogels, 0.5 g cryogel mass, 20 mL NaCl solution at various pHs, 200 rpm, 303 K, a 24-hour period, closed atmosphere: (a) QE and (b) QEFe.

(a)

(b)