Removal of Aroclor 1016 from contaminated soil by solvent extraction soil agglomeration process

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DOIResolve DOI: http://doi.org/10.1139/s01-002
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TypeArticle
Journal titleJournal of Environmental Engineering Science
Volume1
Issue1
Pages5964
SubjectPCBs; Soil remediation; Agglomeration; Solvent extraction
AbstractThis communication reports the results of a study to assess the suitability of the National Research Council of Canada's Solvent Extraction Soil Remediation (SESR) process to effectively remediate soils contaminated with PCBs. A series of small-scale batch extraction tests were carried out using a loamy clay soil sample spiked with Aroclor 1016. The variables examined included the effects of solvent type, water addition, agglomerate size, and extraction additives. Aroclor 1016 recovery rates for the SESR process were higher than those found for high shear agitation of soil slurries without agglomeration and Soxhlet extraction (93.9 ± 1.9, 90.6 ± 1.5 and 82.7 ± 0.9% respectively). A two-stage extraction process, with a series of three wash steps incorporated into the solid–liquid separation operation, produced a treated soil with an average Aroclor 1016 concentration of 49 ± 8 mg/kg on a dry weight basis (95.4 ± 2.4% removed).
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology (ICPET-ITPCE); National Research Council Canada
Peer reviewedYes
NRC number44377
NPARC number8925801
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Record identifiera07ae9ef-de7d-443d-b1ee-9d34f13dacdf
Record created2009-04-23
Record modified2017-04-04
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