Removal of Methylene Blue from Aqueous Solution by Activated Carbon Prepared from Pea Shells (Pisum sativum)

Table 4

Values of thermodynamics parameters for MB adsorption on activated carbon prepared from pea shell.

Temperature (K)	Δ𝐺^∘ (k J mol^−1)	Δ𝐻^∘ (k J mol^−1)	Δ𝑆^∘ (k J mol^−1 K^−1)	𝑅^2
298	−28.40	14.57	0.147	0.9891
308	−30.46
318	−32.12
328	−33.73