Abstract: Apparatus and process for recycling post-consumer plastic containers supplied as compressed bales thereof to recover at least uncolored and colored PET uncolored and colored HDPE in flake form is provided. The apparatus and process includes debaling, sortation of the desired containers from the bale, granulation of these containers into flakes, wet processing to dissolve glue and the residue of contents of the containers and to provide separation of contaminants from the desired flake by specific gravity difference, and recovery of the purified flakes.
Type:
Grant
Filed:
March 26, 1991
Date of Patent:
September 1, 1992
Assignee:
Plastic Recycling Alliance, LP
Inventors:
Nazim S. Hally, Eric J. Koelsch, Joseph M. Shields, Jr.