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

Figure 6

SEM images of MHT (a), polyaniline (b), 0.5 Pan/MHT (c), 1 Pan/MHT (d), and 2 Pan/MHT (e).

(a)

(b)

(c)

(d)

(e)