Method for sorting plastics from a particle mixture composed of

Details Method for sorting plastics from a particle mixture composed of Method for sorting plastics from a particle mixture composed of

1995-08-07

1996-10-22

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

209167, B03B 100

Patent

active

055668321

ABSTRACT:
A method for separating plastic particles by types from a particle mixture of plastics of different types by flotation. The plastic particles are initially processed by a type-dependent change in their wetting behavior in such a manner that the various types can be floated individually out of the particle mixture. This surface treatment of the plastic particles takes place prior to flotation and outside of the flotation device in a physically dry manner by plasma processing of the particle mixture followed by storage for a predetermined time period. Storage results in a material-specific classification wetting behavior.

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