Closed-loop process for Zn and Cu selective recovery from MSWI bottom ash fine fraction

Closed-loop process for Zn and Cu selective recovery from MSWI bottom ash fine fraction

[Display omitted] •Complete method for the selection of metals of interest have been proposed.•Selective leaching of copper and zinc has been achieved.•Zinc was selectively precipitated.•Copper was electrodeposited.•Leaching solution was reused in a closed loop manner. In 2019, 224 Mt of Municipal S...

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Veröffentlicht in:Minerals engineering 2023-11, Vol.203, p.108353, Article 108353
Hauptverfasser: Perrin, Mathilde, Svecova, Lenka, Deseure, Jonathan
Format: Artikel
Sprache:eng
Schlagworte:
Ammonia leaching
Chemical Sciences
Copper electrodeposition
MSWI bottom ash
Recycling
Zinc precipitation
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Zusammenfassung:[Display omitted] •Complete method for the selection of metals of interest have been proposed.•Selective leaching of copper and zinc has been achieved.•Zinc was selectively precipitated.•Copper was electrodeposited.•Leaching solution was reused in a closed loop manner. In 2019, 224 Mt of Municipal Solid Wastes (MSW) were produced in Europe. A significant proportion of this MSW is treated by incineration producing each year 20 Mt of Municipal Solid Waste Incineration (MSWI) Bottom Ashes (BA). While the coarsest fraction (>2mm) can be reemployed in construction field, this is not the case for the finest fraction 
ISSN:0892-6875
DOI:10.1016/j.mineng.2023.108353