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

Figure 13

Adsorption isotherms of MO on Pan/MHT composites with Langmuir isotherm model (a), Freundlich isotherm model (b), and Dubinin-Radushkevich isotherm model (c).

(a)

(b)

(c)