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The Fate of Chlorine and Heavy Metals During Pyrolysis of Automobile Shredder Residue
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Technical Paper
1999-01-0671
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
One of the major sources of chlorine in automobiles is polyvinyl chloride (PVC). When old discarded automobiles enter the recycling loop by far the largest percent of this material finds its way into the solid waste fraction known as automobile shredder residue (ASR). While the majority of this waste is currently disposed of in landfills new processes are currently being evaluated to recycle and recover the valuable resources contained in this solid waste. Pyrolysis, the thermal cracking of the polymeric materials present in ASR, to recover the petrochemical hydrocarbons is one such technology which is receiving attention. However, like combustion with energy recovery, the pyrolysis process is receiving close scrutiny in terms of its environmental impact. These concerns have centered around the fate of the chlorine and the heavy metals present in the ASR.
The National Research Council of Canada has conducted a series of controlled pyrolysis experiments using well characterized ASR in a laboratory screw kiln pyrolysis unit. The fate of the chlorine and the heavy metals during the pyrolysis process has been evaluated using detailed chemical analysis of the pyrolysis products. The results of the investigate suggest that the presence of chlorine and heavy metals in ASR should not have any negative environmental effects when pyrolysis is used as resource recovery option.
Authors
Topic
Citation
Day, M., Shabnavard, L., and Cooney, J., "The Fate of Chlorine and Heavy Metals During Pyrolysis of Automobile Shredder ResidueAlso In
References
- Lang, N.A. Auto Industry Targets Fluff for Recycling Waste Age 26 1 77 1995
- Taylor, B. Is Changing Auto Content Cause for Concern Recycling Today 35 10 34 1997
- Hill S. Reincarnation: Recycling in the Automotive Industry Mater. World 4 10 573 1996
- Day M. Innovative Ideas to Recycle the Remaining Twenty Five Percent Presentation to the Recycling Council of Ontario October 27-29 1998 London, Ontario
- Saxena, S.C. Rao, N.S. Rehmat A. Mensinger M.C. Combustion and Co-combustion of the Auto Fluff Energy 20 877 1995
- Day M. Shen J. Automobile Shredder Residue - An Assessment of Thermal Recycling as a Recovery Option ISBN 0-660-16732-8 1997
- Day, M. Shen Z. Cooney J.D. Pyrolysis of Auto Shredder Residue: Experiments with a Laboratory Screw Kiln Reactor J. Anal. Appl. Pyrolysis submitted
- Day, M. Graham, J. Lachmansing R. Chen E. Characterization of Auto Shredder Residue - A Canadian Perspective Resources, Conservation and Recycling 9 255 1993
- Shen, Z. Day, M. Cooney, J.D. Lu, G. Briens C.L. Bergougnou M.A. Ultrapyrolysis of Automobile Shredder Residue Can. J. Chem. Eng. 73 357 366 1995
- Day, M. Cooney J.D. Shen Z. Pyrolysis of Automobile Shredder Residue: An Analysis of the Products Produced by a Commercial Screw Kiln Process J. Anal. Appl. Pyrolysis, 37 49 67 1996
- Hazardous Waste Management System Federal Register 51 114 21648 21693 1986
- Hubble, W.S. Most I.G. Wolman M.R. Investigation of the Energy Value of Automobile Shredder Residue DOE Report DOE/ID/12551 Aug 1987
- Braslaw, J. Melotik, D.J. Gealer R.L. Wingfield R.C. Hydrocarbon generation during the inert gas pyrolysis of automobile shredder waste Thermochimica Acta, 186 1 18 1991
- Lanoir, D. Trouve, G. Delfosse, L. Froelich D. Kassamaly A. Physical and Chemical Characterization of Automotive Shredder Residues Waste Management and Research 15 267 276 1997
- Wang, H.P. Hsieh, K.-A. Li M.C. Fate of PAHS in an Autofluff Incineration Process J. Environ. Sci. Health A32 6 1687 1694 1997
- Rausa R. Pollesel P. Pyrolysis of automotive shredder residue (ASR). Influence of temperature on the distribution of products J. Anal. Appl. Pyrolysis 40-41 383 401 1997
- Das, S. Curlee, T.R. Rizy C.G. Schexnayder, S.M. Automobile recycling in the United States: energy impacts and waste generation Resource, Conservation and Recycling 14 265 284 1995
- Nieto E. Treatment Levels for Auto Shredder Waste Technical Support Document, State of California’s Department of Health Services June 1989
- Reinhart, D. Scalera, J. Schulty, B. Stroup C. Breen, J. PCB, lead and cadmium levels in shredder waste materials: A Pilot Study US EPA report EPA 560/5-90-008A April 1991