Research Article

Adsorptive Removal of Dyes from Aqueous Solution by KMnO4-Modified Rice Husk and Rice Straw

Figure 2

(a) The FT-IR spectra of RH, KRH0.5, RS, and KRS0.5. (b) The FT-IR spectra of KRH0.5 and KRS0.5 before and after MG adsorption.
(a)
(b)