Decontamination of soil containing POPs by the combined action of solid Fenton-like reagents and microwaves

The effect on halogenated aromatics of solid, non-toxic oxidants such as sodium percarbonate and the urea/hydrogen peroxide complex (Fenton-like reagents) was investigated. A microwaves-assisted, solvent-free method for soil decontamination is presented. It marks a considerable advance in the search...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2007-10, Vol.69 (8), p.1326-1329
Main Authors: Cravotto, Giancarlo, Carlo, Stefano Di, Ondruschka, Bernd, Tumiatti, Vander, Roggero, Carlo Maria
Format: Article
Language:English
Subjects:
2,4-D
4-chloronaphthol
Applied sciences
chemical treatment
decontamination
Decontamination - methods
Decontamination. Miscellaneous
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Fenton reagent
Gas Chromatography-Mass Spectrometry
hydrogen peroxide
Hydrogen Peroxide - chemistry
Iron - chemistry
microwave treatment
Microwaves
organochlorine compounds
oxidation
p-nonylphenol
persistent organic pollutants
pollutants
polluted soils
Pollution
Pollution, environment geology
POPs
Sodium percarbonate
Soil and sediments pollution
Soil Pollutants - chemistry
soil pollution
Solvent-free reaction
UHP
urea
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Summary:The effect on halogenated aromatics of solid, non-toxic oxidants such as sodium percarbonate and the urea/hydrogen peroxide complex (Fenton-like reagents) was investigated. A microwaves-assisted, solvent-free method for soil decontamination is presented. It marks a considerable advance in the search of more efficient, environment-friendly procedures for the degradative oxidation of persistent organic pollutants. Residual pollutants in treated soil samples were determined by GC/MS analysis after solvent extraction or direct thermal desorption. Results showed that 4-chloronaphthol, 2,4-dichlorophenoxyacetic acid and p-nonylphenol had been degraded completely, 2,4-dibromophenol to a large extent.
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2007.05.078