Effective Removal of Malachite Green from Aqueous Solutions Using Magnetic Nanocomposite: Synthesis, Characterization, and Equilibrium Study

Table 4

Thermodynamic factors for adsorption of MG on Fe₃O₄@AJPL (conditions: time—120 min, Fe₃O₄@AJPAL—50 mg, volume—0.05 L, pH—7, and agitation—100 rpm).

Concentration MG dye	(kJ/mol)	(J/mol·K)	(kJ/mol)
			298 K	308 K	318 K
20	40.12	151.2	5.095	6.192	8.139
50	50.10	180.7	3.998	5.065	7.646
100	27.69	106.0	3.716	5.342	5.811