Nanocomposites of Magnetite and Layered Double Hydroxide for Recyclable Chromate Removal

Figure 6

Effect of initial solution pH on Cr(VI) adsorption and equilibrium pH for (a) Mag@LDH-ER and (b) Mag@LDH-CO. The experiments were carried out at initial chromate concentration of 50 ppm. The photographs in the right side represent adsorption and separation of each nanocomposite at pH ~ 7.

(a)

(b)