Table 11.

Free enthalpy (ΔG) values for the MB and MG adsorption on the adsorbents.

Carbon	Temperature	∆G (kJ/mol) MB	∆G (kJ/mol) MG
C-CD (4 h)	298	−24.56	−25.39
	308	−25.10	−27.09
	315	−26.94	−26.49
C-CD (6 h)	298	−23.65	−24.20
	308	−24.24	−24.65
	315	−25.68	−25.42
C-CD (8 h)	298	−25.35	−23.59
	308	−23.77	−23.82
	315	−25.23	−25.39