Adsorption of Chromium(VI) onto Freshwater Snail Shell-Derived Biosorbent from Aqueous Solutions: Equilibrium, Kinetics, and Thermodynamics

Table 3

Thermodynamic parameters for adsorption of Cr(VI) onto FSS.

Temperature (°C)	Thermodynamic parameters
	ΔG° (kJ/mol)	ΔH° (kJ/mol)	ΔS° (J/mol)
20	−6.639	−28.384	−74.572
30	−5.563	—	—
40	−5.011	—	—