Research Article

Adsorptive Removal of Alizarin Red S onto Sulfuric Acid-Modified Avocado Seeds: Kinetics, Equilibrium, and Thermodynamic Studies

Table 2

Thermodynamic parameters for the adsorption of ARS dye onto the CTASP.

Initial concentration of ARS dye (mg/L)
(kJ/Mol)

(J/Mol/K)

(kJ/Mol)
303313323333

50-92.854-260.401-15.211-9.565-7.969-7.269
100-45.80-119.019-9.954-8.352-7.008-6.480
150-21.977-49.4379-7.057-6.438-5.951-5.582
200-16.898-37.1072-5.676-5.214-4.955-4.527
250-12.189-27.323-3.900-3.638-3.364-3.080