title: Mineralisation of Monuron photoinduced by Fe(III) in aqueous solution.
abstract: The degradation of Monuron (3-(4-chlorophenyl)-1,1-dimethylurea) photoinduced by Fe(III) in aqueous solution has been investigated. The rate of degradation depends on the concentration of Fe(OH)2+, the most photoreactive species in terms of *OH radical formation. These *OH radicals are able to degrade Monuron until total mineralisation. The primordial role of the speciation of Fe(III)-hydroxy complex in aqueous solution, for the efficiency of the elimination of pollutant, was shown and explained in detail. The formation of Fe(II) in the irradiated solution was monitored and correlated with the total organic carbon evolution. Degradation photoproducts were identified and a mechanism of degradation is proposed.
authors.affiliation: Laboratoire de Photochimie Moléculaire et Macromoléculaire, Université Blaise Pascal, F-63177 Aubière Cedex, France.
authors.forename: Hana
authors.initials: H
authors.lastname: Mest'ánková
authors.forename: Gilles
authors.initials: G
authors.lastname: Mailhot
authors.forename: Jean-François
authors.initials: JF
authors.lastname: Pilichowski
authors.forename: Josef
authors.initials: J
authors.lastname: Krýsa
authors.forename: Jaromir
authors.initials: J
authors.lastname: Jirkovský
authors.forename: Michèle
authors.initials: M
authors.lastname: Bolte
mesh_terms: D002851:Chromatography, High Pressure Liquid; D005290:Ferric Compounds / Q000737:chemistry* / Q000528:radiation effects; D006540:Herbicides / Q000737:chemistry* / Q000528:radiation effects; D006878:Hydroxides / Q000737:chemistry; D008027:Light; D008782:Methylurea Compounds / Q000737:chemistry* / Q000528:radiation effects; D010782:Photolysis; D013997:Time Factors; D014867:Water / Q000737:chemistry; D018508:Water Purification
chemical_list: D005290:Ferric Compounds; D006540:Herbicides; D006878:Hydroxides; D008782:Methylurea Compounds; D014867:Water; C031356:hydroxide ion; C100088:monuron