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Journal of Sol-Gel Science and Technology

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01-07-2014 | Original Paper

Pd–Fe/TiO₂ catalysts for phenol degradation with in situ generated H₂O₂

Authors: Mohamed Triki, Sandra Contreras, Francisco Medina

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2014

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Abstract

This study deals with the degradation of phenol over Pd–Fe/TiO₂ catalysts at mild conditions in the presence of in situ generated H₂O₂ from oxygen and formic acid. This catalytic system demonstrated interesting ability to oxidize phenol by Fenton process in a one-pot reaction without the addition of ferrous ion. Lower Pd content catalysts, despite producing a higher hydrogen peroxide amount for bulk purposes, did not reach the same efficiency as the 5Pd–5Fe catalyst in phenol degradation. A close interaction between Pd and iron oxide species is necessary to obtain high active catalysts. These results highlight the advantage of in situ generation of H₂O₂, for oxidation reactions with respect to conventional Fenton process.

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Title: Pd–Fe/TiO2 catalysts for phenol degradation with in situ generated H2O2
Authors: Mohamed Triki
Sandra Contreras
Francisco Medina
Publication date: 01-07-2014
Publisher: Springer US
Published in: Journal of Sol-Gel Science and Technology / Issue 1/2014
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI: https://doi.org/10.1007/s10971-014-3333-5

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