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Metal leaching from...
Metal leaching from MSWI bottom ash as affected by salt or dissolved organic matter
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- Olsson, Susanna (författare)
- KTH,Mark- och vattenteknik
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- Gustafsson, Jon Petter (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,KTH,Miljögeokemi och ekoteknik,Institutionen för markvetenskap,Department of Soil Sciences
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- Berggren Kleja, Dan (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för markvetenskap,Department of Soil Sciences
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- Bendz, D. (författare)
- Swedish Geotechnical Institute, Linköping
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- Persson, Ingmar (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för kemi,Department of Chemistry
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(creator_code:org_t)
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- Elsevier BV, 2009
- 2009
- Engelska.
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Ingår i: Waste Management. - : Elsevier BV. - 0956-053X .- 1879-2456. ; 29:2, s. 506-512
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- In order to manage municipal solid waste incineration (MSWI) bottom ash safely, risk assessments, including the prediction of leaching under different field conditions, are necessary. In this study, the influence of salt or dissolved organic matter (DOM) in the influent on metal leaching from MSWI bottom ash was investigated in a column experiment. The presence of salt (0.1 M NaCI) resulted in a small increase of As leaching, whereas no impact on leachate concentration was found when lakewater DOM (35.1 mg/I dissolved organic carbon) was added. Most of the added DOM was retained within the material. Further, X-ray spectroscopy revealed that Cu(II) was the dominating form of Cu and that it probably Occurred as a CuO-type mineral. The CU2+ activity in the MSWI bottom ash leachate was most likely determined by the dissolution of CuO together with the formation of Cu-DOM complexes and possibly also by adsorption to (hydr)oxide minerals. The addition of lake DOM in the influent resulted in lower saturation indices for CuO in the leachates. which may be due to slow CuO dissolution kinetics in combination with strong Cu-DOM complexation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
Nyckelord
- environmental-impact
- trace-elements
- arsenate
- carbon
- water
- ph
- complexation
- fractions
- goethite
- sorption
- Environmental engineering
- Miljöteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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