Fe₃O₄/Reduced Graphene Oxide Nanocomposite: Synthesis and Its Application for Toxic Metal Ion Removal

Table 1

Adsorption kinetic parameters for As(V) adsorption on the Fe₃O₄/rGO composite.

(mgL^−1)	Pseudo-first-order kinetics			Pseudo-second-order kinetics
	(min^−1)	(mg⋅g^−1)		(g⋅mg^−1⋅min^−1)	(mg⋅g^−1)	(mg⋅g^−1)
13.10	0.0112	10.84	0.9539	0.0017	16.77	15.97	0.9841
23.50	0.0099	16.36	0.9706	0.0011	25.28	24.40	0.9831
34.60	0.0156	21.07	0.8969	0.0011	32.65	30.90	0.9866
50.70	0.0160	35.56	0.9883	0.0008	43.29	39.61	0.9936
75.80	0.0206	42.77	0.9639	0.0005	53.30	44.23	0.9896