The recycling of car scrap is an important source of metals and materials for the secondary materials processing industry. In Europe more than 90 percent of the aluminum used in automobiles is recycled. The driving force behind this excellent recycling rate is the inherent value of aluminum. Traditionally the processing of old cars starts with size reduction by a shredder. As a second step various sorting procedures generate different material fractions. The metallic fractions are recycled and the residual 'fluff' a mixture of plastic, cloth, rubber and glass is currently landfilled. Aluminum is being used in a multitude of applications in the automotive industry casting alloys as well as wrought alloys are applied. Therefore the recovered aluminum fractions consist of a mixture of different alloys. Most of this mixed aluminum scrap is returned into the production of new cast automotive aluminum parts. Wrought alloys are produced only on a virgin metal basis due to their tight impurity tolerances. The production of wrought alloys on aluminum car scrap basis requires an upgrading technology which is able to sort alloys by grade or segregate during dismantling. Future concepts of aluminum intensive vehicles have to fulfill as well as technical and economic but also ecological aspects. Terms like green manufacturing, life cycle analysis, recyclability, closed loop recycling are used to evaluate new concepts. Consequently there exists a certain demand to investigate the parameter for closed loop recycling procedures of automotive aluminum parts. The paper examines technical possibilities for dismantled aluminum intensive automotive parts to generate wrought alloys scrap fractions by using conventionally processing techniques.


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    Title :

    New recycling approach - Generation of aluminium wrought alloy scrap of old cars


    Contributors:
    Rossel, H. (author)


    Publication date :

    1998


    Size :

    9 Seiten, 5 Bilder, 5 Tabellen, 5 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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