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Fe-zeolites as heterogeneous catalysts in solar Fenton-like reactions at neutral pH

Paper ID Volume ID Publish Year Pages File Format Full-Text
46055 46429 2012 8 PDF Available
Title
Fe-zeolites as heterogeneous catalysts in solar Fenton-like reactions at neutral pH
Abstract

This paper focuses on the study of photo-Fenton-like processes using two types of Fe-zeolites (Fe-ZSM5 and Fe-Beta) as heterogeneous catalysts in order to treat contaminated effluents with organic compounds at neutral pH. It was proved that light (solar and artificial) improves significantly the DOC removal in this kind of processes. A possible contribution by homogeneous photo-Fenton reaction catalyzed by the iron leached during the reaction was insignificant. This study also proves that the catalytic activity of Fe-zeolites is improved by photo Fenton-like processes using solar light in a pilot plant equipped with compound parabolic collectors (CPC).

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Fe-zeolites show high catalytic activity at neutral pH in photo-Fenton-like reactions. ► Contaminant degradation and efficiency of H2O2 utilization improved by contaminant adsorption in the zeolite frame. ► Catalytic activity of Fe-zeolites is significantly increased using solar light in a CPC pilot plant.

Keywords
Heterogeneous catalyst; Photo-Fenton; Zeolites; Phenol; Imidacloprid; AOP
First Page Preview
Fe-zeolites as heterogeneous catalysts in solar Fenton-like reactions at neutral pH
Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 125, 21 August 2012, Pages 51–58
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis