Magnetite-coated metal foams as one-body catalysts for Fenton-like reactions

Magnetite-coated metal foams as one-body catalysts for Fenton-like reactions The possibility of preparing one-body catalyst was investigated for heterogeneous Fenton-like reactions by coating magnetite powder on metal foams. Up to 10 wt% magnetite could be coated onto metal foams with strong enough adhesion. The catalytic efficiency of the catalyst was investigated using a model reaction of methylene blue degradation at a circumneutral pH using H2O2 as the source of OH radicals and oxalic acid as the chelating agent. Comparison with conventional magnetite powder indicated that the catalytic efficiency of magnetite-coated metal foam was better than that of the powder only due to a larger exposed surface area. After treatment, separation of the one-body catalyst was easier and cleaner than that of conventional magnetite powder catalyst. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Magnetite-coated metal foams as one-body catalysts for Fenton-like reactions

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2440-z
Publisher site
See Article on Publisher Site

Abstract

The possibility of preparing one-body catalyst was investigated for heterogeneous Fenton-like reactions by coating magnetite powder on metal foams. Up to 10 wt% magnetite could be coated onto metal foams with strong enough adhesion. The catalytic efficiency of the catalyst was investigated using a model reaction of methylene blue degradation at a circumneutral pH using H2O2 as the source of OH radicals and oxalic acid as the chelating agent. Comparison with conventional magnetite powder indicated that the catalytic efficiency of magnetite-coated metal foam was better than that of the powder only due to a larger exposed surface area. After treatment, separation of the one-body catalyst was easier and cleaner than that of conventional magnetite powder catalyst.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jan 25, 2016

References

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