Research Article

Sorptive Removal of Color Dye Safranin O by Fibrous Clay Minerals and Zeolites

Table 1

Thermodynamics of SO uptake on PAL, ZEO, and SEP.

Minerals (kJ/mol) (kJ/mol) (kJ/mol-K)
296 K306 K316 K326 K

ZEO−15.7−15.5−15.3−15.0−21.9−0.02
SEP−17.8−17.9−18.1−18.2−14.40.01
PAL−23.4−23.6−23.9−24.1−15.60.03