Process for separating and treating plastic waste with a view to reusing it and device for its implementation

摘要

The invention relates to a process for treating plastic waste, comprising the grinding of the waste, the separation of the plastic and foreign matter, especially for selective decantation (settling), and a device for its implementation. The ascending-flow decantation (settling) column includes, in its bottom part, a zone 11 of reduced cross-section and is fitted over its entire height with a fixed screw. <IMAGE>