Experimental Investigations on Adsorption of Reactive Toxic Dyes Using Hedyotis umbellate Activated Carbon

Table 5

Thermodynamic parameters.

Dyes	Temperature (K)	(KJmol^-1)	(KJmol^-1)	(Jmol^-1 K^-1)
BG4	303	-5.290
	318	-6.610	-1.157	6.012
	333	-7.198
	348	-7.812
AF	303	-0.995
	318	-1.583
	333	-1.915	-1.092	4.002
	348	-2.546