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Particle separation by density separation according to specific weights

Separation technology

Mixed plastic waste can be reused only in a few fields. A prerequisite for a successful reusability is the separation into the different pure fractions of plastics, which have their consolidated markets. The financial proceeds and the variety of usage depend on the purity – and thus the quality – of the separated plastic fractions. The separation technology has been evolved to one of the most successful and most effective separation systems. More than 160.000 mto plastic waste annually are recycled through systems in Germany alone. The separation technology shows convincing economic results and is very space-saving, having a floor-requirement of only 15 m². A trouble-free integration into existing swim-sink systems is quick and easy.

The patented separation technology has been developed to separate mixed lots of plastics into the different pure fractions. Our separation units are available for throughputs of 300 kg up to 5 mto plastic flakes or up to 1 mto film flake per hour. The separation units are to be operated with water as a medium as well as with other fluids of a density 1 g/cmm³. These separation units are projected to replace conventional swim-sink units due to the simple installation and the small floor requirement of only 15 m² per unit. The respective fluids with the density demanded and the dosage-technology can be supplied on demand.

Plant conception

The patented Turbo Laminare Trenntechnik is a wet-separating procedure based on the separation by density. The separation medium are fluids with different density so that within them the flake departs to a light-fraction and a heavy-fraction according to it’s specific gravity. Through this technology it is possible to install separation cascades, which means that several separation units (suspension cylinder and separation cylinder) are connected in succession, containing different fluids each with a different density, in which the plastic material with its different specific gravity is separated. So the single sort of plastic can be separated in their pure sorts and than highly qualified reused. An outstanding importance has the technology in the sector of PET recycling, especially at the separation of barrier material, at the separation of electro and electronic scrap, at mixed wrapping-plastics and the recycling of plastics from the used-car processing. The development of this separation technology is marked by an excellent separation effect, high throughput and convincing economic results Our technology has been operated commercially. Today ca. 160.000 mto p.a. of films and solid plastics are processed by our technology.

Technical ratings

Compilation of the most important performance ratings and special characteristics. Throughput of up to 1 mto / h film of grain size < 30 mm Throughput of 300 kg to 4 mto / h flake up to grain size < 20 mm  Rated load 30 kw/h per separation unit Measures Floor requirement of 20 m² per separation unit  Height: 5,5 m Some important highlights and benefits of the technology;

Excellent separation of plastics of different density (> 0,03 g/cm³) Fine separation independent of size ( < 20 mm ) or form of the flake. Continuous bar-capacity and material take-off. High throughput due to quick separation. Convincing economic results. Reliability of operation due to simple technology with robust aggregates and slowly rotating parts, comprehend and compatible technique with all automatic control-systems Comprehensive and safe handled technique through SPC ( Stored Program Control ). The applied sensors enable the automatic error detecting and the control of the components as well as the disconnection of the total line. Environment-sparing operation with integrated water treatment and water. circulation.The performance-spectrum of the plastic separation technology;

A separation effect of 99,9 % by separating mixed plastics with a different density of > 0,032 g/cm³. Separation of mixed packaging plastics ( green dot ) in different fractions including the separation of the polyolefin fraction in PP and PE. Processing and separation of the PET bottles fraction in a pure PET fraction and in the light-fractions PE, ABS, and the heavy fraction PVC including the separation of any other plastic barrier materials. Processing of hollow bodies, canisters and cups as well as any other mixed plastics in pure fractions of PE, PP, PS, PET und PVC. Separation of technical plastics like plastics originating from the processing of refrigerators, household appliances, car recycling or recycling of electronic scrap.Optimal separation results at recycling of films due to total flooding and de-airing of the material.