CHICAGO — Erema North America Inc. is offering its smallest recycling system, for less than $100,000.
The Erema 50T features a 25-horsepower engine, a 50-millimeter-diameter extruder, a 600mm-diameter shredder-compactor and an automatic backflushing screen changer. It reclaims polyethylene, polypropylene, ABS, polystyrene, soft PVC and polyurethane.
The 50T is available with a variety of downstream equipment, including an air-cooled, water-cooled or strand water bath pelletizer. The firm offers a line of automatic backflushing screen changers that tailors the system for specific materials and contamination levels.
``Introduction of the 50T makes Erema's unique technology available to processors who do not produce enough waste to justify purchase of our larger-capacity systems,'' Tim Hanrahan, Erema North America vice president, said in a news release.
Like other Erema systems, this one feeds scrap material into a vertical densifying unit that uses friction to compress and preheat the plastic. That material then is fed directly to the extruder screw. Compression and melting occur gradually. Erema's modular concept allows it to assemble systems with specified screw and barrel features.
Erema exhibited at NPE 1997 in Chicago, held June 16-20, but did not display the 50T.
The firm has developed new technology for polyester recycling. The system eliminates the need for predrying or precrystallization, removes as much as 80 percent of residual spinning oil. It also is not susceptible to problems typically associated with PET crystallization in conventional dryers and crystallization systems, the company said.
The cutter/compactor mixes, heats, crystallizes and dries the material in a single, continuous process. Heated material is fed directly into the tangentially connected extruder while the unique motion of the material during the process eliminates the danger of sticking during crystallization.
Erema develops and manufactures machinery in Austria for the recycling market worldwide. Erema North America Inc., based in Topsfield, Mass., distributes Erema machinery and provides service and close technical support.