Facile synthesis of polyaniline nanoparticles; its adsorption behavior
作者： Mohamad Ayad , Gad El-Hefnawy , Sawsan Zaghlol
DOI: 10.1016/J.CEJ.2012.11.099
关键词:
摘要: Abstract Polyaniline (PANI) nanoparticles in the bulk solution were synthesized by oxidative polymerization of aniline and ammonium peroxodisulfate as an oxidant aqueous medium without aid any acid. The scanning electron microscopy showed PANI with average diameters range 20 ± 5 nm. Characterization prepared UV–visible spectroscopy, X-ray diffraction Fourier-transform infra-red spectroscopy have been carried out. In addition, thermogravimetric analysis morphology using electronic microscope are analyzed. adsorption a cationic dye, methylene blue (MB) conventional was studied discussed. kinetic models: pseudo first order, pseudo-second order intraparticle diffusion models applied to experimental data. It observed that model described process better than other models. Results obtained indicate NPs base could be employed efficient adsorbent much more powder for dye removal.
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