Remediation of Oil-Contaminated Soil in Greenland

Janne Fritt-Rasmussen, Pernille Erland Jensen

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Abstract

This paper present the recent research conducted at the Arctic Technology Centre, where different solutions for remediation of excavated oil contaminated soil in Greenlandic towns were tested.
In the first work, soil polluted by light oil was treated with two different nutrient sources (substrate and N:P:K), stabilizer (crab shells) and heating (20°C). In this work a clear reduction in hydrocarbon content was observed during the treatment period of 730 days. No significant difference in degradation was observed between the two different nutrient sources, and no effect of crab shells was observed. The degradation proceeded further at the elevated temperature and even more when heat and nutrients were combined.
In the second work, a nutrient rich soil highly polluted by weathered heavy oil was aerated by insertion of air-channels, and heated to 20°C. Between 19 % and 34 % of the oil pollution was removed during the 81 days of the experiment. Analysis by Gas Chromatography-Flame Ionization Detector showed that the lighter fractions were removed, while the heavy oils remained. In the third experiment the oil contaminated soil is subjected to sequential treatment including adding of surplus heat from the local waste incineration plant. The results showed the highest reduction of the oil-contamination for the set-up with a combination of heat and sphagnum.
Original languageEnglish
Title of host publicationISCORD 2013. Planning for sustainable cold regions
PublisherAmerican Society of Civil Engineers
Publication date2013
Pages105-115
ISBN (Electronic)978-0-7844-7789-2, 978-0-7844-1297-8
Publication statusPublished - 2013
Event10th international symposium on cold regions development: Planning for sustainable cold regions - Anchorage, United States
Duration: 2 Jun 20135 Jun 2013
Conference number: 10
http://content.asce.org/conferences/coldregions2013/

Conference

Conference10th international symposium on cold regions development
Number10
CountryUnited States
CityAnchorage
Period02/06/201305/06/2013
Internet address

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