Effect of Sodium Benzenesulfonate on SO₄²⁻ Removal from Water by Polypyrrole-Modified Activated Carbon

Table 3

Thermodynamic parameters for SO₄²⁻ adsorption onto pyrrole-FeCl₃·(6H₂O)-sodium benzenesulfonate-granular activated carbon.

T (K)	ΔG^0 (KJ mol^−1)	ΔH^0 (KJ mol^−1)	ΔS^0 (J mol^−1 K^−1)
298	−7.587
308	−7.533	−10.471	−9.633
318	−7.392