Efficient Absorption of Antibiotic from Aqueous Solutions over MnO₂@SA/Mn Beads and Their In Situ Regeneration by Heterogeneous Fenton-Like Reaction

Table 3

Adsorption thermodynamic parameters of NOR by MnO₂@SA/Mn beads.

Temperature/K	Langmuir isotherm model
	/mg·g^−1	/L·mg^−1
288.15	173.2	0.54	0.48–0.06	0.9782
298.15	148.1	0.55	0.47–0.06	0.9824
308.15	249.9	0.40	0.56–0.08	0.9709
318.15	308.1	0.29	0.63–0.10	0.9787
Temperature/K	Freundlich isotherm model
	/L·g^−1
288.15	67.6	2.82		0.9763
298.15	71.9	3.51		0.9813
308.15	75.7	4.57		0.9697
318.15	70.0	3.39		0.9778
Temperature/K	Dubinin-Radushkevich isotherm model
	/mg·g^−1	/kJ^2·mol^2	/kJ·mol^−1
288.15	73.8	0.21	1.67	0.9052
298.15	58.2	0.19	1.69	0.9046
308.15	86.7	0.18	1.72	0.8965
318.15	101.6	0.16	1.74	0.8962