Investigation of municipal solid waste (MSW) and industrial landfills as a potential source of secondary raw materials

Show simple item record Särkkä, Heikki Kaartinen, Tommi Hannus, Esa Hirvonen, Sami Valjus, Tuire Lerssi, Jouni Dino, Giovanna A. Rossetti, Piergiorgio Griffiths, Zoe Wagland, Stuart T. Coulon, Frederic 2018-04-11T09:10:01Z 2018-04-11T09:10:01Z 2018-03-31
dc.identifier.citation Heikki Särkkä, Tommi Kaartinen, Esa Hannus et al., Investigation of municipal solid waste (MSW) and industrial landfills as a potential source of secondary raw materials. Detritus, Volume 1, March 2018, pp. 83-90 en_UK
dc.identifier.issn 2611-4135
dc.description.abstract Many of the secondary raw materials (SRM) in landfills constitute valuable and scarce natural resources. It has already been recognised that the recovery of these elements is critical for the sustainability of a number of industries and SRM recov¬ery from anthropogenic waste deposits represents a significant opportunity. In this study, the characterisation of the different waste fractions and the amount of SRM that can potentially be recovered from two landfill sites in Finland is presented. The first site was a municipal solid waste (MSW) landfill site and it was specifically in¬vestigated for its metals, SRM, plastics, wood, paper, and cardboard content as well as its fine fraction (<20 mm). The second site was an industrial landfill site contain¬ing residual wastes from industrial processes including 1) aluminium salt slag from refining process of aluminium scrap and 2) shredding residues from automobiles, household appliances and other metals containing waste. This site was investigated for its metals and SRM recovery potential as well as its fine fraction. Results suggest that the fine fraction offers opportunities for metal (Cr, Cu, Ni, Pb, and Zn) and SRM extraction and recovery from both landfill site types while the chemical composition of the industrial waste landfill offered greater opporutinity as it was comparable to typical aluminium salt slags. Nevertheless, the concentrations of rare earth metals (REE) and other valuable elements were low even in comparison with the concentra¬tions found in the Earth’s crust. Therefore mining landfill sites only for their metals or SRM content is not expected to be financially viable. However, other opportunities, such as waste-derived fuels from excavated materials especially at MSW landfill sites, still exists and fosters the application and feasibility of landfill mining. en_UK
dc.language.iso en en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International *
dc.rights.uri *
dc.subject Secondary raw materials en_UK
dc.subject Landfill mining en_UK
dc.subject Municipal solid waste en_UK
dc.subject Extractive waste en_UK
dc.subject Rare earth elements en_UK
dc.title Investigation of municipal solid waste (MSW) and industrial landfills as a potential source of secondary raw materials en_UK
dc.type Article en_UK

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