Method for processing packaging remnants with recovery of materi

Details Method for processing packaging remnants with recovery of materi Method for processing packaging remnants with recovery of materi

1996-04-02

1997-09-30

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

521 495, 524235, 422286, 422292, 422901, C08J 1104, C08J 300, B01D 100

Patent

active

056726317

ABSTRACT:
The invention concerns the method and apparatus for processing remnant-holding packagings while recovering substances of value, said method including the following steps: The packagings are inserted into an operational vessel 13, and the residues are extracted using a solvent. The residue-containing solution from the operational vessel 13 is transferred into a sump. The residue-holding solution is concentrated in the sump while the solvent is evaporated in an evaporation station 19. The evaporated solvent is condensed in a condensing station 20. The solvent is recycled from a recycling station 22 into the operational vessel 13. The residues are enriched and then recovered in concentrated form from the sump.

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