Research Article

Adsorptive Removal of Malachite Green Dye onto Coal-Associated Soil and Conditions Optimization

Table 1

Thermodynamic factors for the elimination of MG dye on coal-associated soil.

(mg/L)ΔS° (J mol-1)ΔH° (kJ mol-1)ΔG° (kJ mol-1)
30°C40°C50°C60°C

25-221-80-13-10-8-7
50-122-47-10-9-8-6
75-88-35-8-8-7-6
100-70-29-7-6-6-5
125-53-22-6-6-5-5
150-50-21-6-5-4-4