Synthesis of Iron Oxide Micro and Nanoparticles from Aluminum Industry Waste and Its Application in the Decolorization of Reactive Blue 235 Dye

Author(s): Elavarasi Natarajan, Gomathi P. Ponnaiah

Journal Name: Current Pharmaceutical Biotechnology

Volume 17 , Issue 10 , 2016

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Iron oxide micro and nanoparticles were successfully synthesized from Red Mud (RM) using a simple twostep process. RM was characterized using various techniques such as X-Ray Diffractometer (XRD), Fourier Transform- Infra Red (FTIR) spectroscopy, Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX) analysis and Carbon Hydrogen Nitrogen (CHN) microanalysis. Red mud derived iron oxide micro and nanoparticles (RIMNP) were characterized using techniques such as XRD, FTIR, SEM/EDX, Transmission Electron Microscopy (TEM) and Vibrating Sample Magnetometry (VSM). RIMNP were employed as a Fenton like catalyst for the decolorization of a commonly used textile dye Reactive Blue 235 (RB235) from aqueous solution. The dynamical data obtained at different concentrations of RIMNP fit well with pseudo-second-order kinetic model and 100% dye removal efficiency was obtained at 200 mg L-1 concentration of RIMNP.

Keywords: Red mud, iron oxide particles, SEM, fenton like catalyst, reactive blue 235, decolorization.

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Article Details

Year: 2016
Published on: 20 June, 2016
Page: [873 - 885]
Pages: 13
DOI: 10.2174/1389201017666160401131600
Price: $65

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