The influence of dissolved transition metals on the photocatalytic degradation of phenol with TiO2

The influence of dissolved transition metals on the photocatalytic degradation of phenol with TiO2 The influence of dissolved cupric and ferric ions on the photocatalytic degradation of phenol in aqueous dispersions of titanium dioxide was investigated. At pH 3.5 both ion species enhanced the TiO2 photocatalytic activity until an optimum metal concentration was reached (1×10−3 M for Cu2+ and 7×10−6 M for Fe3+). Beyond these values the activity was observed to decrease, what was mainly attributed to precipitation of metal derivatives. A mechanism based in the formation of a complex between the metal and the organic compound adsorbed onto the titania surface is proposed to explain the observed positive effect of copper and iron ions addition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

The influence of dissolved transition metals on the photocatalytic degradation of phenol with TiO2

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Publisher
Springer Netherlands
Copyright
Copyright © 2007 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856707779238739
Publisher site
See Article on Publisher Site

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