Effect of Cocontaminants on the Remediation of PCB-Impacted Soils by Hydrogen Peroxide
Publication: Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management
Volume 14, Issue 4
Abstract
The effects of cocontaminants, such as extractable organics and transformer oil (TO) on the remediation of polychlorinated biphenyl (PCB) impacted soils by hydrogen peroxide , have been investigated. Presence of transformer oil is found to adversely affect the PCB degradation. About 20 and 60% of Aroclor 1254 were remediated by 15 and 30% , respectively, in soils which did not contain TO. When TO was introduced, no Aroclor 1254 degradation was observed with 15% and a limited amount of about 20% of Aroclor 1254 degraded with 30% treatment. The impact of cocontaminants on major Aroclor 1254 congeners 101, 87, 110, 118, 105, and 138 were also found to be limited in the presence of TO.
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Acknowledgments
The writers acknowledge the financial support of TransCanada Pipelines Ltd. (TCPL) and Natural Sciences and Engineering Research Council of Canada (NSERC) to conduct this research.
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© 2010 ASCE.
History
Received: Aug 24, 2009
Accepted: Jun 4, 2010
Published online: Jun 12, 2010
Published in print: Oct 2010
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