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Innovative treatment trains of bottom ash (BA) from municipal solid waste incineration (MSWI) in Germany

  • The industrial sector of bottom ash (BA) treatment from municipal solid waste incineration (MSWI) in Germany is currently changing. In order to increase the recovery rates of metals or to achieve a higher quality of mineral aggregates derived from BA, new procedures have been either implemented to existing plants or completely new treatment plants have been built recently. Three treatment trains, which are designated as entire sequences of selected processing techniques of BA, are introduced and compared. One treatment train is mainly characterized by usage of a high speed rotation accelerator whereas another is operating completely without crushing. In the third treatment train the BA is processed wet directly after incineration. The consequences for recovered metal fractions and the constitution of remaining mineral aggregates are discussed in the context of legislative and economical frameworks. Today the recycling or disposal options of mineral residues still have a high influenceThe industrial sector of bottom ash (BA) treatment from municipal solid waste incineration (MSWI) in Germany is currently changing. In order to increase the recovery rates of metals or to achieve a higher quality of mineral aggregates derived from BA, new procedures have been either implemented to existing plants or completely new treatment plants have been built recently. Three treatment trains, which are designated as entire sequences of selected processing techniques of BA, are introduced and compared. One treatment train is mainly characterized by usage of a high speed rotation accelerator whereas another is operating completely without crushing. In the third treatment train the BA is processed wet directly after incineration. The consequences for recovered metal fractions and the constitution of remaining mineral aggregates are discussed in the context of legislative and economical frameworks. Today the recycling or disposal options of mineral residues still have a high influence on the configuration and the operation mode of the treatment trains of BA despite of the high value of recovered metals.zeige mehrzeige weniger

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Autoren/innen:Olaf Holm, Nicole Bandow, Ute Kalbe, Franz-Georg Simon
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Sardinia 2015 - 15th International waste management and landfill symposium (Proceedings)
Jahr der Erstveröffentlichung:2015
Organisationseinheit der BAM:4 Material und Umwelt
4 Material und Umwelt / 4.1 Biologische Materialschädigung und Referenzorganismen
4 Material und Umwelt / 4.3 Schadstofftransfer und Umwelttechnologien
Herausgeber (Institution):CISA, Environmental Sanitary Engineering Centre, Italy
Erste Seite:1
Letzte Seite:11
Freie Schlagwörter:Bottom ash; High velocity impact crushing; MSWI; Mineral aggragates; Non-ferrous metals; Recovery rates; Recycling; Secondary construction material; Treatment train; Wet treatment
Veranstaltung:Sardinia 2015 - 15th International waste management and landfill symposium
Veranstaltungsort:S. Margherita di Pula, Cagliari, Italy
Beginndatum der Veranstaltung:05.10.2015
Enddatum der Veranstaltung:09.10.2015
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein