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Chemosphere. 2007 Oct;69(8):1326-9. Epub 2007 Jul 9.

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

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  • 1Dipartimento di Scienza e Tecnologia del Farmaco, Universit√† di Torino, Via P. Giuria 9, 10125 Torino, Italy. giancarlo.cravotto@unito.it <giancarlo.cravotto@unito.it>

Abstract

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.

PMID:
17619050
[PubMed - indexed for MEDLINE]
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