Research Article
Comparison of Acid Red 114 Dye Adsorption by Fe3O4 and Fe3O4 Impregnated Rice Husk Ash
Figure 2
SEM images of the adsorbents: (a) rice husk, (b) rice husk ash burned at 300°C, (c) MNP, (d) MNP after adsorption process (MNP-A), (e) RHA-MNP, and (f) RHA-MNP after adsorption process (RHA-MNP-A).
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