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Method to separate and recover oil and plastic from plastic contaminated with oil

United States Patent

5,711,820
January 27, 1998
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
The present invention provides a method to separate and recover oils and recyclable plastic from plastic contaminated with oil. The invention utilizes the different solubility of oil in as liquid or supercritical fluid as compared to a gas to effect separation of the oil from the plastic.
Smith; Henry M. (Overland Park, KS), Bohnert; George W. (Harrisonville, MO), Olson; Ronald B. (Kansas City, MO), Hand; Thomas E. (Lee's Summit, MO)
Allied Signal, Inc. (Morristown, NJ)
08/ 603,009
February 16, 1996
The U.S. Government has rights in this invention pursuant to contract number DE-AC04-76-DP00613 with the United States Department of Energy.