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Grain-Size Specific Characterisation and Resource Potentials of Municipal Solid Waste Incineration (MSWI) Bottom Ash: A German Case Study

dc.date.accessioned2020-07-02T13:17:32Z
dc.date.available2020-07-02T13:17:32Z
dc.date.issued2020-05-31
dc.identifierdoi:10.17170/kobra-202007021396
dc.identifier.urihttp://hdl.handle.net/123456789/11621
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kassel
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectMSWIeng
dc.subjectbottom asheng
dc.subjectcharacterisationeng
dc.subjectmineral fractioneng
dc.subjectmetalseng
dc.subjectresource potentialeng
dc.subject.ddc620
dc.titleGrain-Size Specific Characterisation and Resource Potentials of Municipal Solid Waste Incineration (MSWI) Bottom Ash: A German Case Studyeng
dc.typeAufsatz
dcterms.abstractMunicipal solid waste incineration (MSWI) is a major element of modern waste management and produces annually around 5.7 million tonnes of bottom ash (BA) in Germany. In order to save natural resources and protect the environment, utilisable materials need to be recovered from BA. It was the aim of the present study to determine metal and mineral resource potentials of MSWI BA based on a characterisation study of raw and aged BA of the MSWI plant in Kassel (Germany). The BA investigated consisted of 82.2% mineral materials, 16.3% metals, and 1.5% unburnt organic matter. Overall, 12.1% and 3.6% of the MSWI BA were theoretically recoverable as native ferrous (Fe) and non-ferrous (NFe) metals, respectively. Assuming state-of-the-art recovery technology, 10.7% and 2.0% of the BA were actually extractable as Fe and NFe metals. The processed BA, as a mixture, did not comply with current German limit values for use as a construction material mainly due to excessive soluble salt contents. Coarser grain size fractions were less contaminated, resulting in a utilisable potential of less than 30% of the BA as a construction material. Hence, grain-size specific processing routes need to be developed for MSWI BA to fully exploit its mineral resource potential.eng
dcterms.accessRightsopen access
dcterms.creatorVateva, Iveta
dcterms.creatorLaner, David
dc.relation.doidoi:10.3390/resources9060066
dc.subject.swdAbfallverbrennungger
dc.subject.swdAscheger
dc.subject.swdRessourcenger
dc.subject.swdMineralischer Rohstoffger
dc.subject.swdMetallger
dc.type.versionpublishedVersion
dcterms.source.identifierEISSN 2079-9276
dcterms.source.issueIssue 6
dcterms.source.journalResources
dcterms.source.pageinfo66
dcterms.source.volumeVolume 9
kup.iskupfalse


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Except where otherwise noted, this item's license is described as Namensnennung 4.0 International