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Density Separator Sorts PE from PP.


A new "turbulent laminar-flow" separation technology uses liquid baths to separate plastic flakes by density--e.g., PP from PE bottle scrap. The patented system from TLT TLT Tilt
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 Turbo Lamiare Treantechnik in Frankfurt, Germany, consists of two cylinders. In the first, clean flake flake

an epidermal scale.

flake Cocaine, see there
 is suspended in a liquid with a defined density. Then it's pumped with turbulence turbulence, state of violent or agitated behavior in a fluid. Turbulent behavior is characteristic of systems of large numbers of particles, and its unpredictability and randomness has long thwarted attempts to fully understand it, even with such powerful tools as  into the second cylinder, which has cone-shaped ends. Laminar flow laminar flow

Fluid flow in which the fluid travels smoothly or in regular paths. The velocity, pressure, and other flow properties at each point in the fluid remain constant.
 directs the heavy fraction of flake out the bottom and the light fraction out the top, separating any plastics with a difference in density over 0.03 g/cc. The system was commercialized in 1997 in Germany, where there are 15 installations. It has a footprint of 10 x 13 ft.
COPYRIGHT 2001 Gardner Publications, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:TLT Turbo Lamiare Treantechnik, polypropylene, polyethylene
Comment:Density Separator Sorts PE from PP.(TLT Turbo Lamiare Treantechnik, polypropylene, polyethylene)
Publication:Plastics Technology
Article Type:Brief Article
Geographic Code:4EUGE
Date:Mar 1, 2001
Words:116
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