The Effect of Temperatures on the Synergistic Effect between a Magnetic Field and Functionalized Graphene Oxide-Carbon Nanotube Composite for Pb²⁺ and Phenol Adsorption

Table 3

Thermodynamic parameters of adsorption process for Pb²⁺ and phenol.

	(K)	Ln	(kJ·mol^−1)	(kJ·mol^−1)	(J·mol^−1·K^−1)
Pb^2+	283	7.491	−17.701	13.079	108.767
	293	7.726	−18.789
	298	7.829	−19.333
	303	7.924	−19.876
	313	8.013	−20.964
Phenol	283	5.798	−13.599	19.447	116.772
	293	6.067	−14.767
	298	6.179	−15.350
	303	6.280	−15.934
	313	6.609	−17.102