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Preparation of a Mixed Nf-Metal Fraction for Metallurgical Recovery

In Germany, thermally treated waste ends up in 4.8 M. tons/a of incineration bottom ash (iba), which contains 7 - 10 wt.-% metallic particles. In iba nonferrous metals (nf) have an amount of 2 - 5 % and are usually separated with eddy-current separators.

To reduce the loss of resources (metal) in the tailings, produced nf-metal concentrates are very poor of quality as a consequence. Further processing is necessary to generate more valuable concentrates, to meet the criteria for the downstream metallurgical industry. Within the VeMRec-project five partners from industry and two research institutions developan innovative concept for the recovery of nf-metals from iba. The main goals of VeMRec are optimization of the recovery and further processing of nf-metals from the anthropogenic resource of bottom ash from incineration plants. The acronym VeMRec can be translated to 'Loss-minimized recovery of non-ferrous-metals from bottom ash with sensor-based sorting technology�.

Copyright:	© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben
Quelle:	Depotech 2014 (November 2014)
Seiten:	1
Preis:	€ 0,00
Autor:	Dipl.-Ing. Stefan Heinrichs David Rüßmann Prof. Dr.-Ing. Thomas Pretz
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