Entsorgung von Schredderrueckstaenden - ein aktueller Ueberblick

End-of-life-vehicles (ELV's) end up being reclaimed and processed. The ELV's are disassembled by dismantlers. Gasoline, oil and other liquids are drained or removed. The pretreated ELV-bodies are further processed by the shredder-industry. Using large-sized hammer mills called ''shredder'', the ELV-bodies are pulverized. Metals are recovered from the scrap and at the same time, all other materials are sorted as auto-shredder-residue (ASR) and disposed off in landfills. ASR is a heterogeneous mixture of all kinds of plastics, rubber, as well as other organic and inorganic materials. The average heat-content of ASR is about 14.000 kJ/kg. Particles < 10 mm in size represent more than 50% of the ASR gross weight. The chemical and physical properties of a particular ASR-probe will vary in a wide range since theses properties are dependent on the particular composition of the shredder input material. About 450.000 t of ASR have been disposed off in Germany in 2003. Almost 2/3 of this entire mass results from processing ELV's. For decades now, the use of steel in automobile-manufacturing is constantly decreasing while at the same time growing amounts of alloy and plastics are found in cars. According to this, and with respect of the growing numbers of automobiles in use, even greater amounts of ASR should be expected during the next years. But since the final fait of ELV's is effected by a couple of not only technical but also economical and social parameters it is not possible to give an accurate forecast on the actual amounts of ASR during the upcoming years. According to the german waste-legislation, particularly the abfallablagerungs-verordnung (AbfAblV), to dispose off ASR in landfills after June 1"s"t 2005 requires some kind of adequate pre-treatment to reduce TOC-values and heat-content to a given standard. (orig.)Available from TIB Hannover: ZA 5141(6940) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman