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  • Title: Starch/polyaniline nanocomposite for enhanced removal of reactive dyes from synthetic effluent.
    Author: Janaki V, Vijayaraghavan K, Oh BT, Lee KJ, Muthuchelian K, Ramasamy AK, Kamala-Kannan S.
    Journal: Carbohydr Polym; 2012 Nov 06; 90(4):1437-44. PubMed ID: 22944400.
    Abstract:
    Starch/polyaniline nanocomposite was synthesized by chemical oxidative polymerization of aniline and was subsequently analyzed for dye removal from aqueous solution. Batch experiment results showed that nanocomposite removed 99% of Reactive Black 5, 98% of Reactive Violet 4, and decolorized 87% of dye bath effluent. The Toth isotherm model better described single component equilibrium adsorption, whereas the modified Freundlich model showed satisfactory fit for dye bath. In kinetic modeling, single system followed pseudo-second-order and dye bath followed the modified pseudo-first-order model. Fourier transform infrared spectroscopy pattern of the nanocomposite showed the participation of aromatic, amino, hydroxyl, and carboxyl groups. The results indicate that starch/polyaniline nanocomposite can be used as an effective adsorbent for removal of dyes from textile effluents.
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