Synthesis of CoFe₂O₄/Graphene Oxide-Grafted Tetraethylenepentamine for Removal of Cr (VI) from Aqueous Solution

Figure 8

(a) Cyclic adsorption of Cr (VI) on TGOM (T = 298 K pH = 2, m/V = 0.1 g/L, C₀ = 10 mg/L); (b) FT-IR of TGOM after adsorption and desorption.

(a)

(b)