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

Table 5

Thermodynamic parameters for removal of Congo red by GluP (adsorbent: 0.25 g·L⁻¹; dye: 60 mg·L⁻¹; pH = 7; and volume: 20 mL).

Adsorbent	ΔG (kJ·mol^−1)			ΔH (kJ·mol^−1)	ΔS (kJ·mol^−1·K^−1)
GluP	323 K	333 K	343 K
	−12.54	−14.93	−17.80	74.57	0.27