Preparation of Magnetic Composite Polyaniline/Fe₃O₄−Hydrotalcite and Performance in Removal of Methyl Orange

Figure 16

MO adsorption and desorption cycles with 0.5 Pan/MHT (a), 1 Pan/MHT (b), 2 Pan/MHT (c), and the effect of solution pH on the reusability of 2 Pan/MHT for MO adsorption (d).

(a)

(b)

(c)

(d)