Automatic Plastics Sorting

The separation of mixed plastics by resin type and/or color via a mechanical system. A system detects the plastic type (or types) to be segregated and removes those materials from the stream. Common systems utilize conveyors, resin/color detectors, computer analysis and tracking and air jet ejectors. For plastic packaging, the separation may be on a macro (whole container) or micro (chopped/ground particles) basis. (Automatic Sorting for Mixed Plastics, Peter Dinger, BioCycle, March 1992; Automatic Microsorting for Mixed Plastics, Peter Dinger, BioCycle, April 1992)

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