Table 5 Thermodynamic parameters.

From: Production of activated carbon from date palm stones by hydrothermal carbonization and microwave assisted KOH/NaOH mixture activation for dye adsorption

Temperature (°C)

∆H° (kJ/mol)

∆S° (kJ/mol K)

Ea (kJ/mol)

∆G° (kJ/mol)

30

− 11.34

0.05

6.84

− 27.37

40

− 27.90

50

− 28.43

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