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Photocatalytic degradation of imidazolinone fungicide in TiO2-coated optical fiber reactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
49066 46544 2006 8 PDF Available
Title
Photocatalytic degradation of imidazolinone fungicide in TiO2-coated optical fiber reactor
Abstract

The photocatalytic degradation of the fungicide fenamidone is studied in a TiO2-coated optical fiber photoreactor. Fenamidone is slowly transformed with a kinetic order of 1 and a degradation rate of 0.02 h−1. Intermediate products were isolated and identified by means of solid phase extraction (SPE) coupled to liquid chromatography-mass spectrometry techniques (LC-MS). A proposed degradation pathway of fenamidone is presented, involving mainly hydroxylation and oxidation reactions. Carboxylic acids and sulfate ions resulting from the same reaction in a powder reactor were also identified.

Keywords
Optical fiber reactor; Titanium dioxide; Photocatalysis; Fenamidone
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Photocatalytic degradation of imidazolinone fungicide in TiO2-coated optical fiber reactor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 62, Issues 3–4, 22 February 2006, Pages 274–281
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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