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Proceedings Paper

Characterization of degradation products of PAH-contaminated soil after ozone treatment
Author(s): Frank Seibel; Michael Stieber; Peter Werner; Fritz H. Frimmel
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Paper Abstract

The oxidation effects of an ozone treatment using naphthalene (NAP), phenanthrene (PHE), pyrene (PYR) and a mixture of these polycyclic aromatic hydrocarbons (PAHs) adsorbed on solid phases were studied. Due to ozonation, a decrease of the applied concentrations of each of the investigated compounds with respect to their molecular weights occurred (up to 86% for NAP, 73% for PHE and 50% for PYR). After ozonation, the formation of o-phthalaldehydic acid, o-phthalaldehyde, o-phthalic acid, oxalic acid, acetic-acid, formic acid, and diphenic acid was observed as oxidation products. Dependent on dosage, ozone was even able to oxidize the PAH to carbon dioxide and water to a certain extent.

Paper Details

Date Published: 9 October 1995
PDF: 12 pages
Proc. SPIE 2504, Environmental Monitoring and Hazardous Waste Site Remediation, (9 October 1995); doi: 10.1117/12.224090
Show Author Affiliations
Frank Seibel, Univ. Karlsruhe (Germany)
Michael Stieber, Univ. Karlsruhe (Germany)
Peter Werner, Univ. Karlsruhe (Germany)
Fritz H. Frimmel, Univ. Karlsruhe (Germany)

Published in SPIE Proceedings Vol. 2504:
Environmental Monitoring and Hazardous Waste Site Remediation
Tuan Vo-Dinh, Editor(s)

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