Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4106
Title: Green synthesis of iron nanoparticles and their application as a Fenton-like catalyst for the degradation of aqueous cationic and anionic dyes
Authors: Shahwan, Talal
Abu-Sirriah, Sadieh
Nairat, Muath
Boyacı, Ezel
Eroğlu, Ahmet Emin
Scott, Thomas B.
Hallam, Keith R.
Keywords: Green synthesis
Iron nanoparticles
Methylene blue
Methyl orange
Fenton catalyst
Issue Date: 1-Aug-2011
Publisher: Elsevier Ltd.
Source: Shahwan, T., Abu-Sirriah, S., Nairat, M., Boyacı, E., Eroğlu, Ahmet E., Scott, Thomas B., & Hallam, Keith R. (2011). Green synthesis of iron nanoparticles and their application as a Fenton-like catalyst for the degradation of aqueous cationic and anionic dyes. Chemical Engineering Journal, 172(1), 258–266. doi:10.1016/j.cej.2011.05.103
Abstract: Iron nanoparticles were produced using extracts of green tea leaves (GT-Fe NPs). The materials were characterized using TEM, SEM/EDX, XPS, XRD, and FTIR techniques and were shown to contain mainly iron oxide and iron oxohydroxide. The obtained nanoparticles were then utilized as a Fenton-like catalyst for decolorization of aqueous solutions containing methylene blue (MB) and methyl orange (MO) dyes. The related experiments investigated the removal kinetics and the effect of concentration for both MB and MO. The concentrations of dyes in aqueous solution were monitored using ultraviolet–visible (UV–vis) spectroscopy. The results indicated fast removal of the dyes with the kinetic data of MB following a second order removal rate, while those of MO were closer to a first order removal rate. The loading experiments indicated almost complete removal of both dyes from water over a wide range of concentration, 10–200 mg L−1. Compared with iron nanoparticles produced by borohydride reduction, GT-Fe nanoparticles demonstrated more effective capability as a Fenton-like catalyst, both in terms of kinetics and percentage removal.
URI: http://doi.org/10.1016/j.cej.2011.05.103
http://hdl.handle.net/11147/4106
ISSN: 1385-8947
1385-8947
1873-3212
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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