B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 17/02 (2006.01) B03B 7/00 (2006.01) B03B 9/06 (2006.01) C22B 21/00 (2006.01) D21B 1/02 (2006.01)
Patent
CA 2106511
METHOD AND APPARATUS FOR SEPARATION AND RECOVERY OF THE COMPONENTS FROM FOIL-CONTAINING LAMINATES Abstract Figure 1 A method for the separation and recovery of foils, in particular aluminum foils, and the other components in waste foil-containing laminates includes subjecting the waste laminates to agitation in a heated polyalkylene glycol polymer solution. The thus heated mixture is cooled to permit density variations to separate the plastic and paper components of the waste laminate from the foil components therein. The separated foil components can be recovered from the polyalkylene glycol polymer solution for recycle or other use. Using a polyalkylene glycol polymer solution permits recovery of the glycol polymer in a heated recovery tank to recycle the polymer to facilitate further foil separation while minimizing adverse effects on the environment.
Reynolds Metals Company
Ridout & Maybee Llp
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