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

Figure 4

(a) Adsorption capacity of PANI and GluP at room temperature for CR (0.25 g·L⁻¹ absorbent, 30 mg·L⁻¹ dye, pH = 7). (b) Ultraviolet-visible spectra of CR with different adsorbent doses at a fixed dye concentration for 3 h (30 mg·L⁻¹ dye, 25°C, pH = 7).

(a)

(b)