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Gewählte Master / Diploma Thesis:

Rainer Günter Warrings (2018): Analyse einer stofflichen Verwertung von nicht-nachwachsenden Rohstoffen - am Beispiel von Eisenmetallen aus Haushaltsgütern.
Master / Diploma Thesis - Institut für Abfallwirtschaft (ABF-BOKU), BOKU-Universität für Bodenkultur, pp 64. UB BOKU obvsg FullText

Data Source: ZID Abstracts
As part of the EU’s circular economy package, legislative proposals have been drafted to increase the recycling rates of packaging and municipal waste. Austria is considered one of the countries with the highest recycling rates, i.a. for the recovery of metals. In the present study, a mass balance was obtained for ferrous metals from municipal solid waste in Austria and the waste treatment flows and processes were determined by a material flow analysis (MFA). As the results of this work show, 120,100 t of ferrous metals (packaging and other household goods) were disposed of via municipal waste in Austria in 2015, of which 110,700 t (92%) were recycled. The largest share was recovered through the separate collection (69%). From waste treatment, 10,100 t of ferrous metals were recovered from the waste treatment. After deducting the losses due to impurities or adhesives, a recovery of about 90% from the mechanical treatment can be assumed. Via bottom ash processing from municipal solid waste incineration, only 64% are recovered. Accordingly, the highest losses occur at bottom ash processing (9,700 t). It can be assumed that the combustion process leads to changes in the particle surface (for example oxidation, agglomerations, inclusions, etc.) of the iron metal fractions and thus is not or at least not sufficiently detected in the magnetic separation. Overall, there is a theoretical, currently unused recovery potential of about 10,000 t of ferrous metals per year with a value of almost € 1.5 million per year. The recycling rate of 70% for packaging made of ferrous metals, which will be mandatory across the EU from the end of 2020, has already exceeded 92% in Austria. Improved separate collection, as well as investment in more advanced recycling technologies (e.g. sorting plants in bottom ash processing) could result in even higher recycling rates.

Beurteilende(r): Huber-Humer Marion
1.Mitwirkender: Part Florian

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