Chromium remediation strategy of iron oxide nanoparticles-based beads
by S. Sathya; V. Ragul; M.I. Niyas Ahamed
International Journal of Nanomanufacturing (IJNM), Vol. 17, No. 3/4, 2021

Abstract: This study focused on a kind of high-efficiency and low-cost iron oxide nanoparticles (IONPs) synthesis loaded with sodium alginate beads used for remediation of hexavalent chromium [Cr (VI)] contaminated water. Due to the high toxicity and mobility of Cr (VI) is considered to be a toxic pollutant. The synthesised IONPs were characterised by UV-Visible and FTIR spectroscopy analysis. The IONPs loaded alginate beads were characterised and their chromium remediation property was evaluated by diphenyl carbazide assay and the batch experiment was performed at different pH ranges (pH 2.5 and 7). The present study revealed that Cr (VI) is effectively reduced by IONPs-loaded alginate beads by nearly 90% at pH 2.5. Finally, it was demonstrated that a cost-effective method for the in situ remediation of Cr (VI) was achieved by IONPs-loaded alginate beads.

Online publication date: Tue, 01-Nov-2022

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