Utilization of carbon-coated ZrO2/Mn-Mg-Zn ferrites nanostructures for the adsorption of Cs (I) and Sr (II) from the binary system: kinetic and equilibrium studies

Table 1 Calculated parameters of the studied kinetic models for adsorption of Cs (I) and Sr (II) onto CZ-FN adsorbent

Metal ions	Temp., K	First-order kinetic parameters			q_{e (exp)} (mg/g)	Second-order kinetic parameters			Elovich parameters
Metal ions	Temp., K	k₁ (min⁻¹)	q_e (cal.) (mg/g)	R²	q_{e (exp)} (mg/g)	k₂ (× 10^–3) (g/mg.min)	q_e(cal.) (mg/g)	R²	α		R²
Cs (I)	298	0.074	22.71	0.913	41.81	0.101	48.22	0.998	50.9	0.121	0.985
	303	0.087	25.28	0.913	45.03	0.129	51.52	0.999	74.8	0.132	0.985
	313	0.117	35.51	0.931	53.87	0.163	55.45	0.998	40.6	0.181	0.952
Sr (II)	298	0.094	70.91	0.945	103.08	0.131	98.20	0.999	11.3	0.059	0.977
	303	0.115	72.67	0.944	107.01	0.171	102.82	0.998	45.4	0.066	0.981
	313	0.127	77.31	0.964	117.11	0.147	112.21	0.998	37.8	0.076	0.908

ISSN: 2661-801X