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Leachability testing of sludge from street gullies
Kristianstad University, Department of Mathematics and Science. (Akvatisk biologi och kemi)
Kristianstad University, Department of Mathematics and Science. (Akvatisk biologi och kemi)
Department of Analytical Chemistry, Lund University.
Department of Analytical Chemistry, Lund University.
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2006 (English)In: Waste Management & Research, ISSN 0734-242X, E-ISSN 1096-3669, Vol. 24, no 3, 260-268 p.Article in journal (Refereed) Published
Abstract [en]

Sludge from gullies, on two types of streets with different traffic intensity, was investigated using two recommended EU methods for leachability testing of waste: a two-stage batch test and an up-flow percolation test. The main purpose of this investigation was to gain more knowledge about these leaching test methods to be able to make future decisions on the general applicability of the proposed tests. A number of parameters were determined in the sludge as well as in the eluates obtained from the two leaching tests. These include pH, conductivity, dissolved organic carbon and inorganic ions as chloride ions. A number of metals as Cd, Cr, Cu, Hg, Ni and Zn, were determined by inductive coupled plasma-mass spectrometry and organic compounds were screened by high performance liquid chromatography-diode array UV detection and gas chromatography-mass spectrometry. It was found that the concentrations of metals and organic compounds in the sludge were several orders of magnitudes higher than the actual eluate concentrations. For all metals the concentrations were well below the proposed limit values for non-hazardous waste included in the Council decision document 2003/33/EC. Generally, concentrations obtained in batch test were equal or higher than from percolation tests. The repeatability of the percolation and the batch test were in average 28 and 17%, respectively.

Place, publisher, year, edition, pages
2006. Vol. 24, no 3, 260-268 p.
Keyword [en]
Leachability tests, sludge, street gullies, waste characterization, risk assessment, organic pollutants
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-6759DOI: 10.1177/0734242X06065254ISI: 000238425700009PubMedID: 16784169OAI: oai:DiVA.org:hkr-6759DiVA: diva2:326758
Available from: 2010-06-24 Created: 2010-06-24 Last updated: 2011-09-07Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
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