This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Separation and Liberation Factors in Designing for Automotive Materials Recovery
Technical Paper
2004-01-0471
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
One critical aspect of design-for-environment efforts is to increase the effectiveness of materials recovery from end-of-life vehicles. Recovery itself depends on both the amount of material recovered and the purity of the material stream. Shredding, and screening are often used to separate recyclable materials from wastes. However, with the increasing amount of composite components, particularly those made from plastics, separation processes may be inadequate. Instead, liberation processes, which reduce the physical joints between materials, are also important. In this research, samples of ABS and PVC plastics were assembled into various configurations, ground up, and then characterized by their size distributions and degrees of liberation. Two primary fastening methods - adhesive and riveting - were used to simulate how plastic components would be actually attached together. The results from this first phase of the research indicate that within the study parameters: 1) size distribution is largely independent of material type, material thickness, and fastening method; and 2) liberation varies with the type and degree of fastening.
Topic
Citation
Tam, E. and Jekel, L., "Separation and Liberation Factors in Designing for Automotive Materials Recovery," SAE Technical Paper 2004-01-0471, 2004, https://doi.org/10.4271/2004-01-0471.Also In
References
- Standard Test Methods for Particle Size (Sieve Analysis) of Plastic Materials ASTM International West Conshohocken, Pennsylvania
- Broadbent, M.A. Calcott, T.G. 1956 Coal Breakage Processes I. A New Analysis of Coal Breakage Process Journal of the Institute of Fuel 524 528
- Broadbent, M.A. Calcott, T.G. 1956 Coal Breakage Processes II. A Matrix Representation of Breakage Journal of the Institute of Fuel 528 539
- Epstein, B. 1948 Logarithmic-Normal Distribution in Breakage of Solids Industrial and Engineering Chemistry 40 2289 2291
- Gaudin, A.M. 1926 An Investigation of Crushing Phenomena Transactions of the AIME 73 253 316
- Graham, J. Hendra, P.J. Mucci, P. 1995 Rapid identification of plastic componenets recovered from scrap automobiles Plastics, Rubber and Composites Processing and Applications 24 55 67
- Kandelaars, P.P.A.A.H. van Dam, J.D. 1998 An analysis of variables influencing the material composition of automobiles Resources, Conservation and Recycling 24 323 333
- Loehr, K. Melchiorre, M. 1996 Liberation of composite waste from manufactured products International Journal of Mineral Processing 44 143 153
- Rosin, P. Rammler, E. 1933 The Laws Governing the Fineness of Powdered Coal Journal of the Institute of Fuel 7 29 36
- Shen, H. Forssberg, E. Pugh, R.J. 2001 Selective flotation separation of plastics by particle control Resources, Conservation and Recycling 33 37 50
- Simpson, B.L. 1984 Application of Pi Breakage Theory to Refuse Master of Science thesis, Civil and Environmental Engineering Duke University Durham, North Carolina
- Staudinger, J. Keoleian, G.A. Flynn, M.S. 2001 Management of End-of Life Vehicles (ELVs) in the US Centre for Sustainable Systems University of Michigan Ann Arbor, Michigan
- Tam, E. Zeiss, C. 1995-96 Beverage container design and separation Journal of Environmental Systems 24 169 190
- Tchobanogloas, G. Theisen, H. Vigil, S. 1993 Integrated Solid Waste Treatment Engineering Principles & Management Issues McGraw-Hill Toronto
- Vesilind, P.A. Pas, E.I. Simpson, B. 1986 Evaluation of Pi Breakage Theory for Refuse Components Journal of Environmental Engineering 12 1109 1121
- Vesilind, P.A. Worrell, W. Reinhart, D. 2002 Solid Waste Engineering Brooks/Cole Pacific Groove, California
- Zhang, S. Forssberg, E. 1997 Mechanical separation-oriented characterization of electronic scrap Resources, Conservation and Recycling 21 247 269
- Zhang, S. Forssberg, E. 1999 Intelligent Liberation and classification of electronic scrap Powder Technology 105 295 301