Automotive Shredder Residue (ASR):
A Rapidly Increasing Waste Stream
Waiting For A Sustainable Response
Author(s)
V. J. Inglezakis & A. A. Zorpas
Abstract
Recycling scrapped cars plays an important role in reducing pollution by
decreasing the amount of waste that ends up in landfills. Directive 2000/53/EC
regulates the management of End of Life Vehicles (ELVs). ELVs are collected
and dismantled to remove the battery, tyres, fluids and any parts that can be
re-used and the wreck is shredded. The metallic parts are separated by physical
processes and recovered as ferrous scrap and nonferrous metals, all of which is
recycled. The 25% remainder is the automotive shredder residue (ASR), which is
composed mainly of plastics, contaminated with any metallic and other parts that
could not be separated. This is often disposed of in landfills as solid urban waste
and is not recycled. ASR generation in the EU is approximately 2-2.5 million
tonnes/year, constituting 10% of the total hazardous waste in the EU. The study
suggests that recovery rates for ELVs set in the EU Directive on end of life
vehicles will not be met until the volume of the ASR is further reduced.
Treatment of the ASR focuses on recovering any useable materials, reducing the
volume of the ASR to cut down on the quantity that will end up in landfill, and
recovering the energy from the petrochemical content of the plastics. Up-to-date
there are eight post-shredder technologies (PST) used or potentially used for the
treatment of ASR. The aim of this study is to give an overview of what problem
the ASR presents to modern society and what the options are for processing this
waste into recovered products or materials, or energy, with a minimum of useless
by-products for which landfilling is the only route.
Keywords: ELVs, ASR, tires, directive 2000/53.
Keywords
ELVs, ASR, tires, directive 2000/53.
Related Book
Other papers in this volume
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