Preparation and Characterization of Chitosan-Humic Acid-Zerovalent Iron Nanocomposite for Nitrate Reduction in Water

Figure 5

Reduction of 50 ppm nitrate concentration using (a) 0.4 g dosages of control, CTS, HMA, CTS-HMA, and ZvFe-CTS-HMA. (b) 0.1 g, 0.2 g, and 0.4 g dosages of ZvFe-CTS-HMA.

(a)

(b)