Research Article

Amino Acid-Doped Polyaniline Nanotubes as Efficient Adsorbent for Wastewater Treatment

Figure 7

The effect of adsorption capacity for different (a) pH value (30 mg·L−1 dye, RT), (b) initial dye concentration (RT, pH = 7, t = 90 min), and (c) metal ion (30 mg·L−1 metal ion, RT, pH = 7, t = 2 h).
(a)
(b)
(c)