Table 3 Thermodynamic parameters for MB adsorption onto natural zeolite.

From: Effective adsorption of methylene blue using natural Saudi zeolite as a low-cost sustainable adsorbent

Dye

ΔH° (kJ/mol)

(-) ΔS° (J/mol.K)

ΔG° (kJ/mol)

   

298 K

308 K

318 K

MB

−44.081

64.65

−24.85

−24.08

−23.56

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