Figure 7

(a) Removal efficiency of MB by PANI-SDS, SiO2, and SiO2/PANI-SDS nanocomposite as adsorbents. (b) The decrease in absorbance of MB during adsorption on SiO2/PANI-SDS. [MB]o = 6.36 mg/L, dose = 0.02 g, t = 30 min, pH 6 at 30 °C.

(a) Removal efficiency of MB by PANI-SDS, SiO2, and SiO2/PANI-SDS nanocomposite as adsorbents. (b) The decrease in absorbance of MB during adsorption on SiO2/PANI-SDS. [MB]o = 6.36 mg/L, dose = 0.02 g, t = 30 min, pH 6 at 30 °C.