Published December 11, 2001
| Version v1
Patent
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Process to recycle shredder residue
Creators
- 1. Argonne National Laboratory
Description
A system and process for recycling shredder residue, in which separating any polyurethane foam materials are first separated. Then separate a fines fraction of less than about ¼ inch leaving a plastics-rich fraction. Thereafter, the plastics rich fraction is sequentially contacted with a series of solvents beginning with one or more of hexane or an alcohol to remove automotive fluids; acetone to remove ABS; one or more of EDC, THF or a ketone having a boiling point of not greater than about 125° C. to remove PVC; and one or more of xylene or toluene to remove polypropylene and polyethylene. The solvents are recovered and recycled.
Files
US6329436.pdf
Files
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Additional details
Identifiers
- Patent application number
- US 97242692 A
- Patent number
- US 6329436 B1
- Other
- oai:uchicago.tind.io:8942
Dates
- Patent filed
-
1992-11-05