Functionalized Silica Fume for Chromium (VI) Removal from Wasterwater

Abstract:

Chemical modified silica fume by polyaniline was studied as a sorbent for removal of chromium (VI) determined by flame atomic absorption spectrometer. TEM analysis confirmed that the mean diameter of silica fume before and after treatment was of the order of 120 nm. The functionalized nanoparticles showed an extremely high efficiency towards chromium (VI) in the pH range of 4-5. Adsorption of chromium (VI) from water using functionalized silica fume was both a simple and efficient approach compared to the traditional adsorbents from the angle of integrated utilization of the secondary resources.

• Periodical: Materials Science Forum (Volumes 675-677)
• Pages: 93-96
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.675-677.93
• Online since: February 2011
• Authors: Yang Zhou, Shi Xing Wang, Ke Qiang Xie, Yong Nian Dai, Wen Hui Ma
• Keywords: Chromium (VI), Functionalisation, Polyaniline (PANI), Removal, Silica Fume (SF)

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