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REMEDIATION OF THE MARWELL TAR PIT: USING ENHANCED THERMAL CONDUCTION (ETC) FOR THE REMEDIATION OF EXTREME HYDROCARBON IMPACTS IN WHITEHORSE, YUKON TERRITORY
Howardson, J. and C. Belenky | RemTech 2019: Remediation Technologies Symposium, 16-18 October, Banff, 48 slides, 2019
The Marwell Tar Pit dates to the 1940s when the site was used as a disposal location for waste tar generated from a decommissioned World War II oil refinery. The pit was capped with gravel in the 1960s after it became an unpermitted dumpsite for liquid. In 2011, the governments of Canada and Yukon commissioned a multi-phase remediation project on the tar pit. To remediate the tar-saturated soils, an innovative enhanced thermal conduction (ETC) technology was used to effectively break down the recalcitrant hydrocarbons associated with tar. Soils treated through the ETC process were clean enough to be placed back in the excavation, avoiding the need for off-site disposal of soils. Many challenges were encountered during the remedial program, including technical issues and extreme northern weather events. The presentation highlighted the successes and lessons learned during remediation and demonstrated the ETC process to treat highly contaminated soils that. The technology can be utilized on remote sites and in extreme climates. Slides: https://www.esaa.org/wp-content/uploads/2019/10/19-Howardson.pdf
The Marwell Tar Pit dates to the 1940s when the site was used as a disposal location for waste tar generated from a decommissioned World War II oil refinery. The pit was capped with gravel in the 1960s after it became an unpermitted dumpsite for liquid. In 2011, the governments of Canada and Yukon commissioned a multi-phase remediation project on the tar pit. To remediate the tar-saturated soils, an innovative enhanced thermal conduction (ETC) technology was used to effectively break down the recalcitrant hydrocarbons associated with tar. Soils treated through the ETC process were clean enough to be placed back in the excavation, avoiding the need for off-site disposal of soils. Many challenges were encountered during the remedial program, including technical issues and extreme northern weather events. The presentation highlighted the successes and lessons learned during remediation and demonstrated the ETC process to treat highly contaminated soils that. The technology can be utilized on remote sites and in extreme climates. Slides: https://www.esaa.org/wp-content/uploads/2019/10/19-Howardson.pdf
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