Research Article
Adsorption of Anionic Surfactants onto Alumina: Characteristics, Mechanisms, and Application for Heavy Metal Removal
Figure 12
Influence of contact time on removal of Cd2+ using surfactant-modified γ-Al2O3 (SMA) (Ci (Cd2+) = 10 ppm, pH 6, 1 mM NaCl). Error bars show standard deviations of three replicates.