Research Article
Adsorption of Anionic Surfactants onto Alumina: Characteristics, Mechanisms, and Application for Heavy Metal Removal
Figure 11
Influence of pH on removal of Cd2+ using different Al2O3 adsorbents (without surfactant, with STS modification, and with SDS modification) at 1 mM NaCl. Error bars show standard deviations of three replicates.