An in vitro study on hexavalent chromium [Cr(VI)] remediation using iron oxide nanoparticles based beads
2020
Sathya, S | Ragul, V | Veeraraghavan, Vishnu Priya | Siṃha, Lalitā | Niyas Ahamed, M I
This study focused on a kind of high efficiency and low cost iron oxide nanoparticles (IONPs) synthesis and loaded with sodium alginate beads used for remediation of hexavalent chromium [Cr (VI)] contaminated water. Due to high toxicity and mobility of Cr (VI) is considered to be a toxic pollutant. The synthesized IONPs were characterized by UV–vis and FTIR spectroscopy analysis. The IONPs loaded alginate beads was characterized and its chromium remediation property was evaluated by diphenyl carbazide assay and batch experiment was performed at different pH ranges (pH 1–7). The present study revealed that Cr (VI) is effectively reduced by IONPs loaded alginate beads nearly 90 % at pH 2.5 with the average size of 2 mm and the stability of the interacted particle observed around 60 min at 500 rpm. Finally it was demonstrated that, a cost effective method for the in situ remediation of Cr (VI) was achieved by IONPs loaded alginate beads.
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