Bulletin of the National Research Centre

Table 6 Langmuir, Freundlich, and Temkin isotherm model parameters for the adsorption process

From: Optimization of phenol adsorption from synthetic wastewater by synthesized BiFeO₃ perovskite material, using split-plot central composite design

Isotherm	Parameters	Values
Langmuir	q_max(mg/g)	106.50
	K_L (L/mg)	0.0047
	R _L	0.8420
	R ²	0.9797
Freundlich	K_f (L/mg)	0.8423
	n	1.2714
	R ²	0.9047
Temkin	B_T (J/mol)	8.9268
	K_T (L/mg)	0.1813
	R ²	0.7870

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