Research Article

Statistical Modeling and Kinetic Studies on the Adsorption of Reactive Red 2 by a Low-Cost Adsorbent: Grape Waste-Based Activated Carbon Using Sulfuric Acid Activator-Assisted Thermal Activation

Table 7

Thermodynamic parameters for the adsorption of RR2 on GWAC at .

RR2 conc. (mg/L)/L g-1 (kJ/Kmol)

10039-9.03
20010.11-5.70
3009-5.40
4002.27-2
5001.79-1.43