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

Figure 15

FT-IR spectra of MO (red line), 2 Pan/MHT (blue line), and 2 Pan/MHT after adsorption of MO (—) (a), SEM images of 2 Pan/MHT (b), and 2 Pan/MHT after adsorption of MO (c).

(a)

(b)

(c)