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Assessment of trace element stabilization in soil by short- and long-term leaching tests: results after 3 years assessment of trace element stabilization in soil with different types of amendments
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
2007 (English)Conference paper, Presentation (Refereed)
Abstract [en]

Stabilization technique was applied to treat contaminated soils in laboratory and pilot scale field (lysimeter) experiments. Three types of amendments were tested for their abilities to reduce contaminant mobility in soil: zerovalet iron, coal fly ash from wood and coal combustion, and natural organic matter - peat. The stabilization of the soils contaminated with Pb and Cu (soil S) and wood impregnation chemical cremated copper arsenate (CCA) (soil R), as assessed by batch leaching tests, significantly reduced the leaching of all analyzed elements. Treatment efficiency decreased in the following order (%): Pb(>99)>Cu(98) in soil S and As(99)≈Zn(99)>Cu(93)>Cr(57) in soil R. The results obtained from the lysimeter experiments over a three-year observation period showed nearly as high treatment efficiency as that achieved in the laboratory experiments.

Place, publisher, year, edition, pages
Research subject
Waste Science and Technology
URN: urn:nbn:se:ltu:diva-28556Local ID: 262a5390-c05a-11dc-b185-000ea68e967bOAI: diva2:1001756
Difpolmine Conference - What does the future hold for large metal-polluted sites? : 12/12/2006 - 14/12/2006
Godkänd; 2007; 20080111 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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