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Waste Management & Research, Vol. 15, No. 3, 267-276 (1997)
DOI: 10.1177/0734242X9701500305

Physical and Chemical Characterization of Automotive Shredder Residues

D. Lanoir

Ecole Nationale Supérieure de Chimie de Mulhouse, Laboratoire Gestion des Risques et Environnement, 25, rue de Chemnitz, 68100 Mulhouse, France

G. Trouvé

Ecole Nationale Supérieure de Chimie de Mulhouse, Laboratoire Gestion des Risques et Environnement, 25, rue de Chemnitz, 68100 Mulhouse, France

L. Delfosse

Ecole Nationale Supérieure de Chimie de Mulhouse, Laboratoire Gestion des Risques et Environnement, 25, rue de Chemnitz, 68100 Mulhouse, France

D. Froelich

Renault S.A., Projet Recyclage, 160, Avenue de Versailles, 75016 Paris, France

A. Kassamaly

Renault S.A., Projet Recyclage, 160, Avenue de Versailles, 75016 Paris, France

Car manufacturers recycle many of the materials from wrecked vehicles, but the disposal of the lighter components is increasingly difficult. The high cost of landfill is making the option of incineration more attractive, as it reduces the mass and the volume of the waste. Energy recovery is also possible. This paper examines those properties of automotive shredder residues (ASR) which are relevant to the formation of pollutants during incineration.

The higher specific energy of ASR was found to be 19,000 kJ kg 1 and the ash content 38%, which indicate that it is a suitable fuel for municipal incinerators or cement kilns. However, it is very heterogeneous, as the low density fraction is mainly composed of plastics, with smaller amounts of metallic pieces, rubber, glass and wood. The macroscopic composition of a representative sample of ASR was determined. The metal and the chlorine contents were analysed by special techniques and were found to be 22% and 3.5%, respectively of the fraction. Laboratory-scale incineration trials of ASR are now planned. © 1997 ISWA

Key Words: Automotive waste • incineration • characterization • ash content • caloric value and metals.


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