Abstract
ABSTRACTThe need of rapid, biocompatible and reusable nanotechnology for water purification is a leading global priority. In this article, we have synthesized polyaniline-impregnated nanocellulose (PANI-NC) composites. It is used not only for the removal of hexavalent chromium in aqueous media but also for cleaning of industrial waste water. The synthesized PANI-NC composites were characterized by blend of characterization tools such as DLS, SEM and FTIR, while adsorption studies were recorded by flame AAS. The PANI-NC nanocomposite was used in different forms like powder and pebbles either in free form or packed in a tea bag or a continues column to make ready to use, user-friendly system. Our PANI-NC-based system provides the 92.59 mg/g (96.5%) removal of hexavalent chromium from chromium-spiked waste water along with 99.6% removal efficiency of toxic dyes from textile industrial waste water within only 60 min of incubation time at pH 6. The PANI-NC nanocomposite showed high chromium removal capacity along with complete cleaning of industrial waste water and provides a potential to fabricate in a reusable, cost-effective system for waste water cleaning.
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