Characterization of degradation products of PAH-contaminated soil after ozone treatment

Frank Seibel; Michael Stieber; Peter Werner; Fritz H. Frimmel

doi:10.1117/12.224090

9 October 1995 Characterization of degradation products of PAH-contaminated soil after ozone treatment

Frank Seibel, Michael Stieber, Peter Werner, Fritz H. Frimmel

Proceedings Volume 2504, Environmental Monitoring and Hazardous Waste Site Remediation; (1995) https://doi.org/10.1117/12.224090
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

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.

Citation Download Citation

Frank Seibel, Michael Stieber, Peter Werner, and Fritz H. Frimmel "Characterization of degradation products of PAH-contaminated soil after ozone treatment", Proc. SPIE 2504, Environmental Monitoring and Hazardous Waste Site Remediation, (9 October 1995); https://doi.org/10.1117/12.224090

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