Leachability of lead from auto shredder residues : A Canadian perspective

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DOIResolve DOI: http://doi.org/10.1080/09593331608616317
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TypeArticle
Journal titleEnvironmental Technology
Volume16
Issue8
Pages785793; # of pages: 9
SubjectLeachate; Heavy metals; Solid waste; Auto shredder residue; Test protocol
AbstractThe concentration of the heavy metals; zinc, lead, cadmium, chromium and copper in the solid waste Auto Shredder Residue (ASR) have been measured and their leachability evaluated according to a variety of leaching tests currently employed in North America. The importance of pH and a buffering agent have been identified as key features in determining the leachability of these metals. The results of the study indicate that ASR, while it contains relatively high concentrations of the metals lead (0.28%) and copper (1.11%), when the material is subjected to standardized leaching tests only small quantities of these metals are solubilized and detected in the leachate. In addition, the ASR is capable of absorbing additional quantities of lead ions from solution, with the actual amounts being dependent upon the nature of the lead compounds.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NRC number37584
NPARC number15787721
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Record identifierd3b1d2d2-7a16-4424-88dd-ba6235e214b3
Record created2010-07-07
Record modified2016-05-09
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