Journal
CHEMOSPHERE
Volume 82, Issue 8, Pages 1196-1201Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2010.11.053
Keywords
Polychlorinated biphenyls; Hydrogen peroxide; Oxidation; Soil decontamination
Categories
Funding
- Estonian Science Foundation [ETF 7812]
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Calcium and magnesium peroxides were applied for the treatment of soil contaminated by polychlorinated biphenyls-containing electrical insulating oil (Aroclor 1016). The removal of PCB-containing electrical insulating oil was achieved with the addition of either calcium peroxide or magnesium peroxide alone and dependent on dosages of the chemical. A 21-d treatment of 60% watered soil with the moderate addition (chemical/oil weight ratio of 0.005/1) of either calcium peroxide or magnesium peroxide resulted in nearly complete (96 +/- 2%) oil removal, unsubstantial increase in soil pH and almost no changes in oxygen consumption and dehydrogenase activity, making it suitable for the soil decontamination. (C) 2010 Elsevier Ltd. All rights reserved.
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