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Material and chemical composition of municipal solid waste incineration bottom ash fractions with different densities.
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SYSNO ASEP 0532215 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Material and chemical composition of municipal solid waste incineration bottom ash fractions with different densities. Author(s) Huber, F. (AT)
Korotenko, Ekaterina (UCHP-M) ORCID, RID, SAI
Šyc, Michal (UCHP-M) RID, SAI, ORCID
Fellner, J. (AT)Source Title Journal of Material Cycles and Waste Management . - : Springer - ISSN 1438-4957
Roč. 23, č. 1 (2021), s. 394-401Number of pages 8 s. Language eng - English Country JP - Japan Keywords waste incineration ; incineration residues ; bottom ash Subject RIV DM - Solid Waste and Recycling OECD category Environmental sciences (social aspects to be 5.7) Method of publishing Limited access Institutional support UCHP-M - RVO:67985858 UT WOS 000568237500002 EID SCOPUS 85090495363 DOI 10.1007/s10163-020-01109-z Annotation Bottom ash is the main solid residue from municipal solid waste incineration (MSWI). The material can be utilised in the construction industry but high requirements for this option are often not met by material generated during ordinary bottom ash treatment. Hence, the objective of the present study is to investigate the suitability of density separation for bottom ash to generate mineral material fractions with different properties. MSWI bottom ash samples were sieved to a size of 2–4 mm and 4–8 mm, respectively, washed and dried before being fed to a density separation processes. Thereby, the density fractions < 1000 kg/m3, 1000–1700 kg/m3, 1700–2400 kg/m3, 2400–3000 kg/m3 and > 3000 kg/m3 were generated and, subsequently, sorted into mineral material, glass, metals and unburnt organic matter. Mineral material with a density above 2400 kg/m3 and even more above 3000 kg/m3 shows a very high content of Fe, Cu and Zn of up to 448,000 mg/kg, 61,000 mg/kg and 44,000 mg/kg, respectively. Hence, the high density fraction of mineral material could be used as a raw material for metal production. Glass with a density above 2400 kg/m3 has a Pb content of up to 87,000 mg/kg, while the Pb content of lower density glass is decreased. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2022 Electronic address http://hdl.handle.net/11104/0311282
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