Non-residential buildings are often very complex and contain a lot of metals. Copper, steel, iron, aluminium and lead come with construction but also installation of machinery and equipment. Current deconstruction methods record metals separately, if metals occur purely. If metals are only a minor part of a composite material, they may be dumped with the main material and lost. Information as to the degree of separate collection of the metal inventories of buildings is lacking up to now.
In our research, we investigate the material stock of buildings and related dominant factors like age of the building, the original purpose it was built for, later forms of use, and alterations with building use changes or renovations. These factors are explored on industrial and commercial buildings in the Rhine-Main region. In a second step, we study the questions if it will be possible to avoid the loss or to minimize it economically? The potentials determined exemplarily for each metal will be converted into characteristic numbers for the building, construction and renovation – year and type respective. These numbers will form the basis for a "mapping" of metals in the Rhine-Main region.
Autoren: Britta Miekley, Liselotte Schebek, Benjamin Schnitzer, Hans-Joachim Linke, Jan Wöltjen, Christoph Motzko
Copyright: | © DGAW - Deutsche Gesellschaft für Abfallwirtschaft e.V. | |
Quelle: | 4. Wissenschaftskongress März 2014 - Münster (März 2014) | |
Seiten: | 4 | |
Preis inkl. MwSt.: | € 2,00 | |
Autor: | Dipl.-Ing. Britta Miekley Prof. Dr. Liselotte Schebek | |
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Development of local municipal solid waste management in the Western Transdanubia region of Hungary
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2020)
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© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2020)
In respect of a limited amount of raw material, costs, CO2 and waste reduction, high precision metal recycling is getting more and more important these days. Contaminations of the melt with unwanted or outright detrimental elements (e.g. C, S, P, Cu or Pb in steel, Cr or Ni in low-alloy steels, Li in aluminium and so forth) are a huge liability toward the ‘‘alloy-to-alloy’’ recycling goal and essentially the only option in this case, is either costly dilution with clean raw materials, downgrading or worst case scenario discarding.
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© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2014)
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© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2014)
Der Beitrag behandelt die Wiederverwertung von Tunnelausbruchmaterial, was in Anbetracht stetiger Rohstoffverknappung ein Gebot der Stunde ist, das es sowohl von Auftraggebern, Planern, Baufirmen, als auch dem Gesetzgeber selbst zu verfolgen gilt. Neben der Schaffung einer rechtlichen Situation, die eine effiziente und unbürokratische Verwertung ermöglicht, sind auch technische Weiterentwicklungen in Bezug auf eine Materialanalyse gefordert, die eine Charakterisierung des Ausbruchmaterials noch auf der Tunnelbaumaschine (TBM) in Echtzeit nach den für eine Verwertung entscheidenden Parametern ermöglicht. Die Verknüpfung dieser Resultate mit einer Rohmaterialdatenbank, die mit den Ergebnissen der Materialanalyse gespeist wird, stellt den Schritt zu einem modernen, webbasierten Handel mit mineralischen Rohstoffen dar.
Reporting of food waste in the EU – Results of current estimates in Germany
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2020)
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