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Recycling of contaminated tin scrap and tin containing waste materials

Although the annual production of tin is quite low and just amounts to about 330,000 tons the fields of application for tin are strongly diversified.

It is used for example as tinplate, as alloying element in solders, in bronzes, in bearing metals as well as in amalgams or as pewter. As a consequence of the various applications tin secondary metallurgy is confronted with a broad range of different scrap qualities and waste materials (e.g. dusts, sludges, dross, etc.). That’s why tin recycling is a troublesome issue. Nevertheless an effective recycling is necessary for economical, ecological as well as strategical reasons. The increasing tin prices on the one hand, an environmental legislation for the disposing of waste materials which is always becoming stricter on the other hand and finally the dependency of the industrialized nations on the few tin supplying countries are the main arguments for increased European recycling efforts.

Copyright:	© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben
Quelle:	DepoTech 2006: Abstracts in English (November 2006)
Seiten:	1
Preis:	€ 0,00
Autor:	C. Wenzl Prof.Dipl.-Ing. Dr. Helmut Antrekowitsch Dipl.-Ing. Dr. Jürgen Antrekowitsch D. Offenthaler
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