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Energy generation by waste incineration: the management of impregnated wood
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0002-1442-1573
2015 (English)In: Energy and Sustainability VI / [ed] Whady Florez-Escobar; Farid Chejne; Fanor Mondragon; Carlos Brebbia, Southampton, UK: WIT Transactions on Ecology and The Environment , 2015, 89-100 p.Conference paper, Published paper (Refereed)
Abstract [en]

Landfilling of organic waste is no longer allowed in Sweden. Instead, essentially all such waste is being recycled, and about half of it goes to incineration which accounts for about 10% of the total need for heating of buildings. Incineration implies destruction of potentially harmful constituents in the waste, but does not destroy contaminant elements such as arsenic which almost exclusively originates from impregnated wood. Methods for identification of chromium, copper and arsenic in such wood are analysed as well as techniques for sorting it into two categories. If incinerated separately, these can give rise to ash with Cr, Cu and As, and ash with only Cu. The former ash has a small volume and can be stabilized/landfilled at a qualified facility, and the latter ash might be used for beneficiation of Cu. In addition, the contamination by As, especially, in other fuels will be small and consequently also in the ash, thus facilitating its use. It is found that such sorting may be achieved using visual inspection as well as x-ray fluorescence (XRF), whilst use of reagents does not appear to offer any advantage over these two. Both methods are already in industrial use in Sweden, thus proving the feasibility of segregation and stabilization of contaminants in impregnated wood.

Place, publisher, year, edition, pages
Southampton, UK: WIT Transactions on Ecology and The Environment , 2015. 89-100 p.
Series
WIT Transactions on Ecology and the Environment, ISSN 1743-3541
Keyword [en]
impregnated wood, sorting, arsenic, XRF, incineration, ash, Other technology - Environmental engineering
Keyword [sv]
Övriga teknikvetenskaper - Miljöteknik
National Category
Other Environmental Engineering
Research subject
Waste Science and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-40100Local ID: f1592e2f-fd3c-4386-9a5d-6f813cb937d0ISBN: 978-1-84564-944-9 (print)ISBN: 978-1-84564-945-6 (electronic)OAI: oai:DiVA.org:ltu-40100DiVA: diva2:1013623
Conference
International Conference on Energy and Sustainability : Energy and Sustainability 2015 02/09/2015 - 04/09/2015
Note
Validerad; 2015; Nivå 1; 20150920 (rolsjo)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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