Preparation and Characterization of Chitosan/Feldspar Biohybrid as an Adsorbent: Optimization of Adsorption Process via Response Surface Modeling

Table 8

Thermodynamic parameters for the adsorption of AB1 on CTS/feldspar (pH, 3; Co, 125 mgL⁻¹).

Temperature (°C)	Δ𝐺° (kJ/mol)	Δ𝐻°  (kJ/mol)	Δ𝑆° (J/K mol)
15	−3.60	−24.15	−71.50
25	−2.72
35	−2.13
45	−1.65
55	−0.56