Research Article

Investigating the Adsorption of Humic Acid from Water Using CTS/PAM and CTS/PAM/EDTA Adsorbents

Figure 11

(a) point of zero charge (pHpzc) of the adsorbents, (b) The effect of pH on the adsorption capacity by CTS/PAM and CTS/PAM/EDTA.
(a)
(b)