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El Madani, M.* ; Harir, M. ; Zrineh, A.* ; El Azzouzi, M.*

Photodegradation of imazethapyr herbicide by using slurry and supported TiO2: Efficiency comparison.

Arabian journal of chemistry 8, 181-185 (2015)
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Kinetic photodegradation of imazethapyr, a herbicide from imidazolinone class of pesticides, has been investigated in aqueous solution using slurry titanium dioxide (TiO2) and supported on Ahlstrom paper (flexible photocatalytic support). Two types of TiO2 e.g., Millennium PC500 (100% anatase) and Degussa P25 (80% anatase, 20% rutile) were used. Experiments were investigated to evaluate the effect of the adsorption, initial concentrations of the pesticide as well as catalyst doses on the photocatalytic degradation of imazethapyr. Kinetic parameters were experimentally determined and a half-order kinetic was observed. Regarding Langmuir-Hinshelwood model, the kinetic of the imazethapyr degradation was more efficient at higher pesticide concentrations and catalyst doses. Accordingly, Degussa P25 shows higher photocatalytic activity in regard to PC500 Millennium.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Photodegradation Imazethapyr Kinetic P25 Degussa PC500 Millennium
Language english
Publication Year 2015
HGF-reported in Year 2015
ISSN (print) / ISBN 1878-5352
e-ISSN 1878-5352
Journal Arabian journal of chemistry
Quellenangaben Volume: 8, Issue: , Pages: 181-185 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Amsterdam [u.a.]
Reviewing status Peer reviewed
Institute(s) Research Unit BioGeoChemistry and Analytics (BGC)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-504800-001
DOI 10.1016/j.arabjc.2011.03.013
Scopus ID 84925291111
WOS ID WOS:000351318200006
Erfassungsdatum 2018-02-22
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